GOST Fire Coupling

In China,this GOST fire coupling features a snap-on quick-connect structure, eliminating the need for complicated operations. A simple twist allows for quick locking or unlocking, making it convenient and efficient. The coupling itself is typically made of high-strength aluminum alloy, offering excellent corrosion resistance and pressure resistance. The sealing ring is made of EPDM or rubber, ensuring leak-proof performance even under high water pressure. The surface is also electroplated for further enhanced corrosion resistance.

Parameter

How to use a GOST fire hose coupling?

Before use, carefully inspect the GOST hose coupling to ensure that the threads and sealing rubber rings show no signs of damage or corrosion. After inspection, select the appropriate size and rotate the male and female threads to complete the coupling. After use, clean the inside of the Russian fire hose coupling to remove any dirt.

Where is GOST coupling used?

In the field of fire protection, it is used to connect the fire hose with the fire hydrant, and the water outlet of the fire truck is connected to the water hose. Industrial and municipal fire protection systems.

FAQ

Q1: What are the common specifications and connection methods?

A: Common internal diameters: 25mm, 32mm, 50mm, 65mm, 80mm (complying with GOST 24294-80 and GOST 12820-80 standards); working pressure: 1.6–2.5 MPa, bursting pressure up to 7.5 MPa. Connection methods include threaded connection (most common for fixed fire systems) and bayonet connection (for quick assembly in emergency scenarios), compatible with GOST-standard fire hoses, hydrants and fire trucks. Common types include suction hose couplings, discharge couplings and blind caps.

Q2: Can it be used in extreme temperature environments?

A: Yes. It has excellent low-temperature adaptability, a key feature designed for cold regions, suitable for -50℃ to +60℃. The low-temperature resistant EPDM gaskets can withstand extreme cold without cracking or losing sealing performance. For long-term use in ultra-low temperature environments (-40℃ and below), regular inspection of gasket elasticity is recommended to ensure stable operation, and it can also adapt to general high-temperature fire scenarios briefly up to +100℃.

Q3: How to install and maintain GOST fire couplings correctly?

A: Installation: For threaded types, apply appropriate sealant to the thread to ensure tight connection without leakage; for bayonet types, align the bayonet and lock firmly. Ensure the gasket is intact before installation, and the connection direction is consistent with the medium flow. Maintenance: 1. Inspect threads and gaskets regularly for wear, corrosion or deformation, and replace damaged parts in time; 2. Use anti-rust lubricant for threaded parts to prevent rust and jamming; 3. Store in a dry, ventilated place away from direct sunlight and corrosive substances, and avoid heavy pressure on the coupling body.