Fire Hydrant Riser Rubber Gasket CR80

Fire hydrant riser rubber gasket CR80

The fire hydrant riser rubber gasket CR80 is a high-performance sealing accessory designed for fire hydrant riser systems. It uses chloroprene rubber (CR) as the core material. With its unique formula and exquisite craftsmanship, it plays a key role in the field of fire safety.

II.

Excellent sealing performance
Its annular structure is matched with a precisely designed cross-sectional shape. Whether it is round or square, it can fit tightly between the interfaces of the fire hydrant riser and various connecting parts. In daily operation, in the face of fluctuations in water pressure in the pipeline, it can use its own elastic adaptive adjustment to ensure that there are no gaps, prevent water leakage, and provide a solid guarantee for the stable supply of fire water.
For example, in the fire hydrant system of high-rise commercial buildings, the riser is under great water pressure. The CR80 rubber gasket, with its excellent elastic deformation ability, tightly seals the pipe joints to prevent water leakage caused by water pressure shock, ensuring that the fire hydrant is available at any time.
Super strong water-resistant and flame-retardant properties
Chloroprene itself has excellent water resistance, and CR80 is optimized and upgraded on this basis. After being soaked in water for a long time, it will not swell, soften, or lose elasticity like ordinary rubber, and it will always maintain a good sealing state.
At the same time, it contains a special flame retardant formula. Once a fire occurs, the gasket will not only not burn and support combustion, but also form a dense barrier layer at high temperature, effectively blocking the flame from spreading to the surrounding area, protecting the integrity of the fire hydrant system, and ensuring the normal operation of fire fighting equipment at an emergency.

Adapt to multiple pipe diameters
The inner diameter specifications are rich, from the thinner fire hydrant risers that are suitable for small communities, residential buildings, etc., to the thick risers that can meet the needs of large industrial plants and public places, accurately matching different pipe diameters, and providing personalized sealing solutions for various fire hydrant systems.
The outer diameter and inner diameter are designed in coordination, and the strict tolerance control makes the installation convenient and efficient, which can not only fit the pipe tightly but also not damage it, reducing the installation cost and difficulty, and improving the construction efficiency.

III.

• UL certification (Underwriters Laboratories):

Must pass UL's strict testing of fire protection product sealing components. This includes observing the gasket's flame retardancy, deformation, and sealing integrity in a simulated high-temperature fire environment (such as a temperature range of up to 800°F - 1000°F) for a certain period of time (such as 2 - 3 hours) to ensure that it can still work reliably in extreme fire scenarios.
It is also necessary to undergo a long-term water immersion test to simulate the actual use environment of the fire hydrant system for many years to check whether the gasket has problems such as expansion, aging, and sealing failure. Only when all indicators meet the standards can the UL certification mark be obtained, proving that the product meets the safety standards widely recognized in the United States and internationally.

• FM Certification (Factory Mutual Research Center):

FM certification focuses on the performance evaluation of products in actual fire fighting scenarios. CR80 gaskets are subject to high-intensity water flow impact tests to simulate the force of water pressure on the gasket when the fire hydrant releases water at a large flow rate, and examine its sealing stability.
At the same time, tests are carried out in a complex fire environment simulation cabin containing smoke, chemicals, etc. to verify its chemical erosion resistance and its ability to maintain sealing functions under harsh conditions. Passing FM certification means that the product has a very high degree of recognition in the global fire protection industry.

• EN standard test (European standard):

Low temperature tolerance test is carried out according to EN standards, because in some cold areas, the fire hydrant system may be exposed to extremely low temperatures. CR80 gaskets need to maintain a certain elasticity at -20°C or even lower temperatures, without brittle cracks, to ensure that the sealing performance is not affected by low temperatures.
It is also necessary to test the release of harmful substances from gasket materials in accordance with strict European environmental standards to ensure that environmental protection requirements are met throughout the production, use and disposal process, and meet European market access conditions.

Based on the search results you provided, the following are answers to questions that B-end customers may be concerned about regarding the application of CR80 rubber gaskets in fire hydrant riser seals:

1. Temperature resistance
The operating temperature range of CR80 rubber gaskets (chloroprene rubber gaskets) is -51°C to 121°C. This temperature range can meet the common temperature changes in fire protection systems, but it should be noted that special material gaskets may be required under extreme high temperature conditions.

2. Fire resistance
Neoprene gaskets have good aging resistance and air tightness, and are suitable for a variety of applications in the rubber industry. However, the specific fire resistance needs to be determined according to the specific product specifications and certifications. It is recommended to consult the manufacturer for detailed fire resistance ratings and certification information.

3. Pressure resistance
The pressure that CR80 rubber gaskets can withstand is less than 2.5MPa, which is suitable for the working pressure of most fire protection systems.

4. Corrosion resistance
Neoprene gaskets have certain oil resistance, acid and alkali resistance, and are suitable for occasions where they come into contact with fire protection water.

5. Sealing effect
Neoprene gaskets are widely used in the sealing field due to their good air tightness. They are suitable for fire hydrant riser sealing and can effectively prevent water leakage.

6. Installation and maintenance
When installing rubber gaskets, you need to ensure that the gaskets are clean, properly placed, and only one piece is installed to avoid excessive compression or damage. During maintenance, the condition of the gaskets should be checked regularly and aging or damaged gaskets should be replaced in time.

7. Compliance
Neoprene gaskets need to comply with relevant fire protection regulations and standards. Specific compliance information needs to be determined based on the product's certification and test reports.

8. Service life
The service life of rubber gaskets is affected by many factors, including the use environment, temperature, pressure, etc. Generally speaking, the service life of rubber gaskets can be several years, but it is recommended to check and replace them every year if necessary.

9. Environmental impact
Neoprene gaskets do not contain substances that are harmful to the environment, such as asbestos, and meet environmental protection requirements.

10. Cost-effectiveness
Compared with metal-graphite spiral wound gaskets or PTFE gaskets, neoprene gaskets may have cost advantages, especially in large-volume applications.

For specific sizes, custom products or standard products, please contact our engineering department or sales department.

Hot Tags: fire hydrant riser rubber gasket cr80, China fire hydrant riser rubber gasket cr80 manufacturers, suppliers, factory, Hose SBR Rubber Seal Ring, Extra High Pressure Pump System Seals, Aviation AEM Rubber Seals, Oil Exploration Well Equipment O ring, Repair Kits, Syringe Plunger Seals