Company Introduction

 

Tianjin Lai Steel Group estabilished in 1991 is among the first few specialized companies to manufacture the American standard steel pipes. Now Lai Group own 9 subsidairies, they are 2 factories of ERW steel pipe and galvanized steel pipe, 2 stockists of seamless steel pipe and hollow section steel pipe, 2 trading companies of steel coil, 3 international export companies including us.

After a long period of development, Lai Group has been continuously awarded the manufacturing industry of China’s Top 500 private enterprises for many years, and our products have received API 5L, API 5CT, FM, UL, CE, JIS, ISO, QA & QM certifications.

If you have any purchase plan, please feel free to contact us now!

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One of the latest developments in industrial tools to prevent fire is the introduction of fire safety valves. These valves are designed to prevent the spread of fire if the fuel valve is damaged or causes a leak.

A valve is a device that regulates, directs, or controls the flow of fluids by opening, closing, or partially blocking various passages. A valve is technically an accessory but is usually discussed separately. In an open valve, fluid flows from high pressure to low pressure. The simplest valve is just a freely hinged flap that descends to block the one-way flow but is pushed open by fluid flowing in the opposite direction. This ancient valve is called a check valve because it stops or “checks” flow in one direction. Modern valves regulate downstream pressure or flow and operate on complex automated systems.

Valves have industrial applications for controlling processes, and residential uses such as managing water flow to dishwashers and washing machines, and faucets in homes. They are found in nearly every industrial process, including mining, water, and wastewater treatment, power generation, food manufacturing, oil, gas, and petroleum processing, chemical and plastic manufacturing, and many others.

Fire protection valvesare thermally actuated spring-loaded valves. In the event of a fire, they automatically shut down and stop the flow of fuel. Fuel flow and reserve oil supply from the engine crankcase are obstructed, minimizing the chance of leaks.

Spring-loaded valves help keep fuels such as oil, gas, gasoline, and other combustibles out of flow, and can effectively prevent any damage. The benefits of using fire dampers in a system are protecting human life, reducing insurance rates, and protecting equipment and buildings.

It is because of these advantages that the use of these valves is highly recommended and appreciated. Today, many companies offer a wide variety of fire safety valves that provide protection even under high temperature and high-pressure conditions.

The working principle of fire protection valves

Fire protection valves are designed to keep flammable liquids away from flames. These valves close when heated, separating the flammable liquid from the heat source. They shut down when pipes overheat, caused by fire or similar events. The obligation to use fire safety valves is governed by any principles, regulations, and laws regarding unique methods, plants, pipes, or vessels.

Fire-rated ball valves use a combination of floating balls, graphite oil seals, and metal-to-metal seats to provide tight shutoff while preventing external stem leakage. Under normal operating conditions, the ball rests on both valve seats, ensuring an airtight closure. When the valve is exposed to temperatures above the extreme temperatures that the seat can withstand (for example, +450℉), the seat can deform and be squeezed. When the seat is completely damaged, the ball in the valve will rest firmly against the end cap, creating a metal-to-metal closure. Stem seals with high-temperature properties, along with a blowout-proof, anti-static stem, further limit leakage, keeping flammable fluid separate from heat sources that could ignite it.

Fire dampers may also consist of four main mechanisms: spring pack, trigger assembly, mounting hardware, and fuses. These components work together to close the valve if a fire is detected in the facility. Fuses are a critical part of the assembly. It keeps the valve open by triggering the assembly to maintain tension on the spring pack. In the event of a fire, once the fuse is heated to a certain high temperature, it disengages, releasing the spring pack and causing it to close the valve.

Fire protection valves with fusible connections have a primary anti-drip sealing seat, usually made of TFE, and a secondary seat made of metal for isolation in the event of a fire. The auxiliary seat also has graphite seals for further protection. This means that the globe valve can be paired with any quarter-turn ball, butterfly, or plug valve.

The above describes in detail what a fire safety valve is and how it works. If you want to buy a fire safety valve, please contact us. Lai is a professional custom fire protection system manufacturer. Welcome to send us your requirements, we will provide you with professional fire protection system solutions.

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Fire pumps are an important part of a building’s fire protection system, especially in high-rise buildings. In buildings with water levels of 400-500 feet or higher, fire pumps are critical in distributing water through the sprinkler system because the water pressure of the water mains and fire fighting equipment cannot be reached. Even in lower buildings, fire pumps are key to controlling fires.

Firefighting is a dangerous business, but without well-designed and professionally installed systems and pumps, it becomes even more dangerous, putting business assets and lives at greater risk.

How does a fire pump work?

The fire pump is an integral part of the fire sprinkler system because it supplies high-pressure water to the fire sprinkler system, thereby increasing the water flow rate.

As part of a fire sprinkler system, fire pumps receive water from groundwater supplies or tanks, lakes, or reservoirs and are powered by electricity or diesel fuel. The high pressure provided by the pump distributes the water through the sprinkler system and hose risers. Commonly used fire pump types include horizontal split, vertical split, vertical in-line, and vertical turbines.

Horizontal split fire pump

Horizontal split boxes are the fire pumps you will most often see. Although it requires a water source that is not part of the system itself, it is still easy to use. This means many fire suppliers prefer it. The components of the horizontal split box system are easy to reach and maintain. Individual components also vary in size, making it easier to replace them over time, depending on the needs of the system. Best of all, these systems will last for years and be durable enough to provide a reliable water supply at all times.

Vertical split fire pump

Vertical split fire pumps are similar to horizontal fire pumps. The difference is that since they are vertical, they take up much less floor space. This can be a valuable distinction, especially in small businesses that don’t have enough space to install all the necessary fire safety systems. A major benefit of this fire pump is that it protects the motor from flooding, simply because of the way it is built.

Vertical pipeline fire pump

Unlike split-type fire pumps, vertical in-line fire pumps are smaller. These are space savers and ideal for small businesses or other buildings that don’t have a lot of room to go. Although these units do not require special mounts to hold them in place, problems can arise whenever preventive maintenance is required. That’s because the entire fire pump system needs to be dismantled and dismantled.

Vertical turbine fire pump

No matter which of the other systems are installed, they all require positive suction to draw water from the source. This requirement does not apply to vertical turbine fire pumps. Conversely, a vertical turbine fire pump can use water drawn from a nearby well or tank. Water is moved to the top and then dispensed as necessary.

Jockey pump

A jockey pump, also known as a holding pump, is a small piece of equipment used with a fire pump as part of a fire sprinkler system. It’s designed to keep the pressure in the system at a specific level when it’s not in use so that the fire pump doesn’t have to run all the time and the system doesn’t shut down randomly. It can also help prevent system damage in the event of a fire and water rushing into the pipes.

Fire pump in the building

Fire pumps are critical fire and life safety equipment in many buildings. There are many requirements and elements to consider before installing any unit. Whether you need to install smoke detectors, fire extinguishers, or sprinkler systems in your commercial properties, the firefighter industry has you covered. If you would like to purchase a fire pump for your unit, please contact us. Lai is a professional custom fire protection system manufacturer. Welcome to send us your requirements and we will provide you with professional fire protection system solutions.

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Check valve

Pressure-activated check valves prevent contamination and flooding of water sources used in fire protection systems. It is a device that allows liquids, semi-solids, or gases to flow in only one direction. Check valves in systems ranging from pharmaceutical production to pipelines often rely on pressure changes to manage the flow.

How does Check valve work?

Most fire sprinkler systems use a combination of gravity tanks, fire department connections, and municipal water supplies to supply water to the sprinklers. However, municipal water sources, while providing additional reliability to the fire protection system, can also have problems, such as drinking water that can be contaminated with water from fire hydrants, or dirty water in a fire sprinkler may flow through a nearby drain through nearby streets, check valves can prevent this desired backflow of water. Many check valves have a hinged disc with a spring that keeps the valve closed until water from some source opens it. These clappers only open in one direction.

Butterfly valve

Butterfly valves provide low-cost and lightweight control of water flow in fire sprinkler and riser systems. They isolate or regulate fluid flow through a piping system. They can be used with gases, liquids, and even semi-solids, and fire-rated butterfly valves are used as control valves to close or open the flow of water to pipes in fire sprinkler or riser systems.

How do butterfly valve work?

By rotating the inner disc, the water flow is stopped through the butterfly valve. When the disc rotates parallel to the flow of water, the water can pass freely. When the disc rotates 90 degrees, the water movement into the pipe stops. The disc can remain in the path of the water at all times without significantly slowing the movement of the water through the valve. The butterfly valve works like a control valve that shuts off water flow to the entire fire sprinkler or riser system.

Gate valves

Gate valves are two-way isolation valves that are opened by lifting a rectangular or circular gate out of the water flow path. When fully open, the gate valve has no obstructions in the flow path, so friction losses are very low. Different types are formed by connecting the rising rod or the non-rising rod through the actuator of the gate valve. Gate valves are designed as control valves in many fire protection systems

How does gate valves work?

Gate valves only need to be used in the fully open or fully closed position. They are manually operated by a multi-turn valve, operated counterclockwise by the handwheel, and closed clockwise. Through a complete cycle, each valve should be operated and returned to its normal position.

Lai, as a professional custom fire protection systems manufacturer with many years of experience, our fire valves are versatile and can provide you with more methods to control ground fires. If you want to buy a fire valve, welcome to contact us.

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Fire pipes are the core components of fixed fire protection systems. Pipes transport and distribute extinguishing fluid (water, gas, foam solution, etc.) from the source to discharge devices installed in the protected area. The types of piping that can be used are specified by the installation standards for the fire protection system.

Typically, above-ground pipes are metal, carbon steel, and copper. Listed non-metallic pipes may also be installed where permitted by installation standards. Non-metallic pipes are CPVC and polypropylene for above-ground installations, and PVC and HDPE for underground installations. Different fire installation standards specify allowable carbon steel pipe manufacturing processes, dimensions, and dimensions.
Welded and seamless piping is accepted when manufactured to the following piping standards:

European standard

UNE EN 10255M, UNE EN 10216-1, UNE EN 10217-1.

ASME standard

ASTM A53, ASTM A795, ASTM A135, ASTM A106.

Advantages of carbon steel pipes for fire fighting

Carbon steel is developed when carbon is an alloying component with steel. It is made stronger and harder by adding carbon to the steel. Steel with more than 2% carbon is considered cast iron. Let’s take a look at some of its advantages, as well as some of the benefits of steel pipes for fire protection.

A.Cost-effective

When replacement is not required, you are saving money. Other pipes depreciate faster than carbon steel. Also, keeping in mind the strength of carbon steel, the pipe can be thinner than other pipes, which means it has a greater load-carrying capacity than pipes of the same diameter. Additionally, these pipes can be easily bent and shaped to fit the specifications you need. Common fittings, valves, and other fittings are made of carbon steel.

B.Durability

As already mentioned in the paragraph above, the durability of carbon steel needs a category of its own. Carbon steel is great for building buildings or structures for a variety of reasons. The first is its incombustibility. Second, due to its strength, it is more resistant to natural disasters. Third, it is very shock resistant. These pipes are often used for water pipes laid under heavy traffic roads because of their impact resistance and durability. They are corrosion-resistant when working with water.

Recyclable

Steel, whether carbon or stainless, can be recycled, and most of it is. In fact, more steel is recycled than paper, plastic, and glass combined, with 70% of all steel used being recycled.

The above briefly introduce what fire pipes are and the advantages of carbon steel fire pipes. If you want to buy fire pipes, please contact us.

Lai is a professional custom fire pipe manufacturer. Fire piping is usually made of carbon steel and is used to transfer water or other liquids from one fire fighting device to another. Due to special needs, the surface usually needs to be painted red or epoxy. We provide OEM service for products. Bora currently employs about 1,300 people, with 13 production lines, multiple processing lines, and 4 technologically advanced laboratories. Our annual production capacity is about 5 million tons and we export 150,000 tons per year to South and North America, Europe, Middle East, Africa, Australia and Southeast Asia.

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Fire-fighting equipment, such as the water supply lines for fire sprinklers and hydrants, must be constructed of high-quality steel to ensure their long-term effectiveness. Water, gas and other fire-fighting substances require pipes of the appropriate volume and strength to withstand corrosion as well as high temperatures and pressures. Lai can give you better guidance in this regard.

The characteristics of the steel make it an excellent material for fire extinguishing systems. Below we discuss the standards for managing fire pipes and the various uses of these pipes. When you use the correct steel pipe in a fire alarm system, you do not need to worry that it will not work properly when needed.

Safety requirements for piping works

ASTM International is a standards organization that publishes specifications for various services and materials and oversees fire protection piping standards. The American Society for testing and materials, as it was previously known, develops and publishes widely accepted and widely used standards.

There are three types of fire pipes:

·ANSI/ASTM Standard A53 The ASTM A53 Fire Piping Standard covers the widest range of fire piping thicknesses. Normal (Schedule 40) very strong (schedule 80) extra strong twice normal (schedule 160) lower schedule numbers mean thinner pipes when it comes to wall thickness. ASTM A53 states that sprinkler systems must use at least schedule 40 piping, but heavier piping may be used if necessary.

·ANSI/ASTM standard A135 electric resistance welded pipe is covered by this standard. This fabrication method allows thinner wire walls while also reducing corrosion. These pipes must comply with at least schedule 10 in order to be used.

·ANSI/ASTM standard A795

ASTM A795 is the specification for sprinkler pipes. Wall thicknesses for these pipes range from Schedule 10 to schedule 40.

For all three, red paint or polymer epoxy coating is required. Black steel or hot dip galvanized versions are also available, which help reduce corrosion.

For fire extinguishing pipes with rated values

Fire suppression systems can use all three types of rated piping, including:

Fire chief

Fire hose

Riser pipes for firefighting

Fire sprinkler hoses

There are multiple ways to connect pipes together.

All types of pipes can be welded together as long as the work is done by a certified welder. A third option is to thread the pipe, but this is usually limited to schedule 40 pipes unless it has been specifically reviewed and approved by some other standards body such as NFPA 13.

Roll grooves and cut grooves are two other options for joining. Roll grooves can be applied to any pipe, while cut grooves can only be applied to schedule 40 or thicker pipe. These connections allow the use of elastomeric gaskets to seal the lines.

Regardless of the application, it is critical to choose the proper treatment to avoid damage to your fire suppression efforts from corrosion and other elements. If you follow these guidelines, you will be in great shape.

The above introduces you to the pipeline fire protection standards. If you are looking for a reliable fire piping supplier for your piping, please contact us.

Lai is a professional custom fire protection systems manufacturer. As a top manufacturer, we specialize in the production, trade, import, and export of fire pipes, ERW pipes, hot dip galvanized steel pipes, seamless steel pipes, straight seam welded pipes, SSAW steel pipes, and building materials. In addition to being a supplier of our full range of products, Polaris aims to expand its commitment to customers by enhancing service and adding new facilities. A dedicated team provides technical support to advise on the correct use of steel and help customers get the most out of the product.

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Fire pumps play a vital role as first responders to fire situations, saving countless lives and property from damage. They are commonly found in manufacturing and industrial facilities, residential complexes, power plants, schools, hospitals, airports, commercial buildings, and offshore oil platforms. Therefore, the fire protection system is the most important of the various industry services, as its goal is to protect human life and property in strict accordance with this order.

What does a fire protection system consist of?

It has three parts: a large amount of stored water, which can be underground or on top of a building, called a fire storage tank, a dedicated pumping system, a dedicated pumping system, and a large network of pipes ending at hydrants or sprinklers (Almost all buildings require both systems).

Fire pump

Fire pumps are usually housed in pump rooms very close to fire tanks. The point is that the pump should be at a level below the bottom of the fire tank so that all the water in the tank can flow into the pump by gravity.

As with all critical systems, a backup pump must have a backup pump if the primary pump fails. It is common to have a primary and backup pump that is electric, and a backup pump that is diesel driven in case of power failure. Each pump individually pumps out the required amount of water – their capacity is the same.

There is also a fourth type of pump, called the jockey pump. This is a small pump attached to the system that is constantly on to maintain the correct pressure in the electrical distribution system, usually 7kg/cm2 or 100psi. If there is a small leak in the system, the regulator pump will start to compensate. Each jockey pump will also have a backup.

These pumps are controlled by pressure sensors. When firefighters turn on hydrants or sprinklers are turned on, water drains out of the system, and pressure drops. The pressure sensor will detect this drop and turn on the fire pump. But the only way to turn off the fire pump is for firefighters to do it manually in the pump room. This is an international code of practice to avoid pump shutdown due to any failure of the control system.

Pump capacity is determined by considering many factors, some of which are:

Areas covered by hydrants/risers and sprinklers

Number of hydrants and sprinklers

Certification of area sprinklers

The type and layout of the project

They can be depicted in different ways, composed in a different way, in different scopes, covered with different interfaces, and wrapped in specially composed interfaces to protect the pipes.

The pressure sensor of the water pump will detect the pressure and after the hydrant held by the firefighter has entered several hydrant positions after the pump will start the freezing system, the pump will start the pipes, which will cause them to reach. Useless in fire, you need to do this.

Manual distribution system

These systems have an inlet for the fire truck to pump into the system. Once the fire truck will turn on the distribution system, firefighters can put out the fire in the correct location and start directing water to the fire. The inlets that allow water from the fire truck to enter the distribution system are called conjoined connections.

In it, each stair must have a wet pipe, a facing fire pipe, and fire hydrants on each floor because, in prevailing conditions, there is a path for water to flow.

In more complex and hazardous installations, water spray systems and foam systems (for hazardous materials) are used. The foam is like an insulating blanket that ignites the liquid, allowing it to flow at equal heights. The server machine whose contents are corrupted uses an entry suppression system.

It is the legal responsibility of the building owner and/or employer to ensure that suitable fire protection and firefighting equipment is in place and functioning. Annual inspections are required by a third party that meets relevant fire management qualifications and guidelines. Between annual inspections, it is recommended to run the pump for a short period of time per week to check performance. Periodic visual inspections are also recommended so that early signs of wear can be detected.

The above describes how the fire pump works, if you want to buy a fire pump, please contact us.

Lai is a professional custom fire protection systems manufacturer. As a top manufacturer, we specialize in the production, trade, import and export of fire pipes, fire pumps, ERW pipes, hot dip galvanized steel pipes, seamless steel pipes, straight seam welded pipes, SSAW steel pipes and building materials. Lai currently employs about 1,300 people, with 13 production lines, multiple processing lines and 4 technologically advanced laboratories. Our annual production capacity is about 5 million tons, and we export 150,000 tons per year to South and North America, Europe, Middle East, Africa, Australia and Southeast Asia.

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Seamless steel pipe will generally lose the bearing capacity at 450~650℃ temperature, producing a very large deformation, resulting in steel beam, and steel column bending, the result of the deformation is too large and can not be used again, generally does not need to maintain the seamless steel pipe fire rating for 15 minutes. The length of this time is also related to the heat absorption reaction rate of the prefabricated components. The fire safety measures of several different types of seamless steel pipes are described in detail below.

External insulation layer.

It is to add an external insulation layer on the surface of the seamless steel pipe, which can be cast and formed and can also be sprayed. The external insulation layer of the solid line concrete is generally raised with steel wire mesh or construction steel bars to limit the gap and ensure the compressive strength of the house. The construction site can be sprayed on the surface of the seamless steel pipe to form a protective layer. Sediment pumps can be lime-powder concrete, painted plaster, or mixed with pottery or asbestos. In addition, the external insulation layer can also be made of ceramic materials, asbestos, plaster of paris or asbestos concrete, lightweight concrete cement prefabricated panels, adhesives, steel nails, and anchor bolts used to fix the seamless steel pipe.

Water injection

Water injection of hollow seamless steel pipes is a reasonable protection measure to prevent fire accidents. This method can keep the seamless steel pipe at a low temperature in a fire accident, and the water circulation in the seamless steel pipe car can digest and absorb the heat of the raw material itself. The heated water is cooled and recycled, or cold water is introduced into the pipes to replace the heated water.

Block it

Seamless steel pipes are set in walls or roofs made of refractory insulation, or prefabricated elements are hidden in the gap between two walls. Only a small amount of refractory insulation material or no hoisting can achieve the purpose of fire safety. This is a very economical way to develop fire safety.

Pengzhang raw materials

Choose prefabricated seamless steel pipe fire protection materials for maintenance, this method has the advantages of good fire safety and fire resistance, engineering construction is not limited by the geometry of seamless steel pipes, generally, there is no need to add auxiliary equipment, and the coating quality is light, and there are some beautiful decorations The design effect belongs to the contemporary excellent fire safety technical measures.

At present, the construction of seamless steel pipes for high-rise residential buildings is increasing, especially in some multi-story buildings, the choice of raw materials for seamless steel pipes is more common. In the event of a safety accident in a multi-story building, the fire cannot be eliminated in a short period of time. This requires us to increase the fire safety maintenance of building decoration materials in the architectural planning and design to improve the fire protection level. measures to reduce casualties and economic losses. If you want to customize or buy seamless steel pipes, please contact us.

Lai is a professional custom seamless and fire pipes manufacturer. As a first-class manufacturer, we specialize in the production, trade, import, and export of fire pipes, ERW pipes, hot dip galvanized steel pipes, seamless steel pipes, straight seam welded pipes, SSAW steel pipes, and building materials. Our seamless steel pipes are available in sizes 1/2″-36″ and meet API, ASTM, BS, DIN, and JIS standards for the transportation and construction of liquids and gases.

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Fire-fighting steel pipes are used in automatic sprinkler systems and other fire-fighting water supply systems. These pipes are usually painted red so that firefighters and others can easily identify them. and separate them from other water systems. This article will explain how fire piping works and the types used in fire suppression systems.

What Are the Common Fire Protection Systems?

There are some fire protection systems in common use around the world. Here are some of the systems we often see:

These include:

1. Dry powder fire extinguishing system
2. Deluge system
3. Pre-action system
4. Wet fire sprinkler system
5. Gas fire extinguishing system
6. Special hazard fire protection system
7. Dry piping system
8. Foam fire extinguishing system

The above commonly used systems can be divided into three categories: water fire extinguishing systems, gas fire extinguishing systems, and foam fire extinguishing systems.

Wet Fire Sprinkler System

Wet fire protection systems use sprinklers connected to the plumbing system. These sprinklers are automatic, and since they are always connected to the water system, once your water system is working, they are effective at putting out fires.

Whenever there is a fire, the sprinklers are turned on and the water is immediately drained. These systems are usually designed so that only sprinklers activated by the heat from the fire will spray water.

Dry Piping System

Dry plumbing systems also contain sprinklers that automatically activate in the event of a fire. However, these sprinklers are not connected to the plumbing system that is always connected to the water. Instead, piping systems contain nitrogen or air under pressure.

Dry piping systems have advantages in areas where the water in the piping may freeze. Activated sprinklers are activated by heat, so fires can be effectively extinguished without excessive water usage.

Deluge System

Deluge systems are used in areas where rapid fire damage is a concern. On warehouse loading docks, for example, this type of system is often used. Likewise, in tall buildings, the system is triggered by an alarm. The nozzle is always on and the alarm releases the water valve.

Preaction System

Preaction systems combine elements of wet and dry systems. The pipes will not release water until a fire is detected. The response time is fast, so these systems are often used in offices and commercial plazas.

Special Hazard Fire Protection System

Special Hazard Fire Protection Systems are suitable for areas where standard systems are not sufficient. They will detect and extinguish fires in these areas.

How Does a Fire Sprinkler System Work?

Fire sprinkler systems are an essential element of most commercial and residential buildings. In fact, they are a requirement for certain industries where fire risks may be higher than normal. They usually consist of a water supply system, a set of pipes and sprinklers for water distribution.

Fire sprinkler systems automatically discharge water, although they are not triggered by smoke. Once a fire is detected, they release enough water to contain the fire, so they are both a fire detection system and a fire suppression system.

High temperatures can trigger sprinkler systems because when a fire ignites, the air above it heats up rapidly. This rapid rise in temperature is not like the regular heat changes one would experience when cooking in a restaurant.

When hot air from the fire rises, it spreads along the ceiling. Each sprinkler is connected to a reliable water source, so when it is activated, the valve opens and pressurized water flows out.

What Types of Pipes Are Used in Fire Protection Systems?

Fire pipes are usually made of durable carbon steel and painted red for easy identification. However, these are not the only types of fire pipes available. There are also galvanized light walls that may have a silver exterior. Also available in CPVC and copper fire sprinklers.

Most red pipes are used in wet sprinkler systems. The galvanized pipe can be found in both dry and wet sprinkler systems. A preaction system as described above may also contain galvanized pipe.

You will find carbon steel pipes designed with different types of ends to suit your fire suppression system layout. For example, you can choose beveled, threaded, and grooved pipe ends.

Black steel is extremely heat resistant and durable, so once the pipes are installed, you won’t have to go back and replace them as often. You can expect that in the event of a fire they will be able to do what they are supposed to do.

Copper pipes do not corrode as fast as steel pipes, but over time some scale and pitting will appear. Sometimes a water softener may need to be used with copper pipes. Also, it is important to ensure that the pH of the water remains above 7 copper tube will not become brittle at low temperatures. Unlike thermoplastic fire hoses, they are lightweight and flexible.

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Firefighting piping plays a vital role in keeping life and property safe by providing a reliable and efficient water supply during a fire emergency. These specialized pipes are able to withstand high-pressure water flow, ensuring efficient delivery of water to fight fires. In this article, we’ll explore what fire pipes mean, their types, materials used, installation methods, and their role in maintaining fire safety.

Types of Fire Pipes

1.Wet Riser System

Wet riser systems are typically used in buildings with a continuous water supply. These systems are connected to a pressurized water source, such as a tank or municipal water supply. Water in the pipes is readily available, so no additional pumping equipment is required during firefighting operations. Wet riser systems are suitable for high-rise buildings because they can supply water to the upper floors with sufficient pressure.

2.Dry Riser System

Dry riser systems, on the other hand, are used in buildings where pressurized water supplies are not readily available. These systems consist of empty pipes that firefighters use to connect them to a water source, such as a fire truck, using a hose. Water is pumped into the system to achieve the pressure required for firefighting operations. Dry riser systems are often used in low-rise buildings or in areas where water supply may be limited.

Materials Used for Fire Pipes

Firefighting piping is usually made of durable and corrosion-resistant materials to ensure their longevity and reliability. Common materials used in the construction of fire protection piping include:

Steel: Steel pipes are known for their strength and durability. They are heat resistant and can withstand high-pressure water flow. Steel pipes are commonly used in commercial and industrial buildings.

Copper: Copper tubing has excellent corrosion resistance and is lightweight. They are commonly used in residential buildings and small fire protection systems.

Maintenance and Inspection of Fire Pipes

Regular maintenance and inspection of fire protection piping is essential to ensure its proper functioning in emergency situations. Routine inspections should include checking for leaks, corrosion, and blockages. The pipes must be left unobstructed to ensure the unimpeded flow of water. In addition, pressure testing should be performed periodically to verify the integrity and functionality of the pipeline.

Commercial Building Fire Pipes

In commercial buildings, fire piping is a fundamental aspect of the overall fire safety system. They are strategically installed to cover different areas of the building, ensuring comprehensive fire protection. These systems are often integrated with fire alarm systems and sprinkler systems, working together to minimize the risk of fire-related incidents and protect occupants and property.

Residential Fire Piping

Fire pipes are equally important in residential construction, especially in multi-story apartments and condominiums. These systems are designed to provide a reliable water supply to all floors, allowing firefighters to quickly respond to fires and prevent their spread. The presence of fire pipes enhances the overall fire safety of residential buildings and gives peace of mind to residents.

Benefits of Fire Pipes

The installation of fire pipes has the following advantages:

Quick Response: Firefighting piping enables firefighters to access water quickly, reducing response time and minimizing fire damage.

Improved Safety: With a reliable water supply, fire piping can improve the safety of occupants, allowing them to evacuate or seek shelter while firefighters fight fires.

Effective Fire Extinguishing: The high-pressure water flow delivered by the fire-fighting pipeline can effectively extinguish the fire and help the fire-fighting work.

Property Protection: Fire piping helps protect buildings and assets by minimizing fire damage and reducing the risk of overall damage.

Fire pipes are an integral part of fire safety systems and provide vital water supplies in emergency situations. Whether in commercial or residential construction, these pipes play a vital role in minimizing fire damage and protecting life and property. Proper installation, maintenance, and code compliance are critical to ensuring the optimal performance of your fire protection piping system. If you want to know more or want to buy a fire fighting pipe, please contact us.

Lai is a professional custom firefighting pipe manufacturer. We specialize in the production, trade, import, and export of fire pipes, ERW pipes, HDG steel pipes, seamless steel pipes, LSAW steel pipes, SSAW steel pipes, and building materials. Our annual production capacity is about 5 million tons, and we export 150,000 tons per year to South America, North America, Europe, the Middle East, Africa, Australia and Southeast Asia.

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