NDS 1520-20 2 Inch Swing Check Valve Slip x Slip Type_Sprinklers the Swiss precision

the Swiss precision

This delay can range from a few seconds (to permit slow-closing valves additional time to close) to a much longer period of time (to allow pressure tanks time to recharge)

SHOCK-ABSORBING BUMPER: Allows for a more comfortable cut

High-carbon steel blade and hook are fully heat treated

Incandescent/fluorescent/LED/CFL-compatible

NDS 1520-20 2 Inch Swing Check Valve Slip x Slip Type_Sprinklers the Swiss precisionSwing Check Valve is used to keep water in your system after it's turned off, and helps prevent back flow. Works well with systems that are on sloped ground. Specifications: Connection Size: 2 Inlet Thread: Slip x Slip