The Hydrant NRV (Non-Return Valve) Coupling Rubber Cap is a protective cover designed to seal and safeguard the male/female threads of fire hydrant couplings, preventing dirt, debris, and water ingress. Made from durable rubber, it ensures a tight fit over NRV couplings, maintaining cleanliness and preventing damage to the threads.

Key Features:

• Material: High-quality, weather-resistant rubber (EPDM/Nitrile)
• Function: Protects NRV coupling threads from corrosion, dust, and damage
• Design: Flexible yet sturdy for easy installation and removal
• Compatibility: Fits standard fire hydrant NRV couplings (male/female threads)
• Color: Typically red or as per industry standards

Specifications:

Benefits:

✔ Prevents thread damage and contamination
✔ Extends hydrant coupling lifespan
✔ Weatherproof and UV-resistant
✔ Easy to install and remove

Applications:

• Fire hydrant systems
• Industrial water supply connections
• Municipal firefighting equipment

This rubber cap ensures that hydrant NRV couplings remain clean, functional, and ready for emergency use.