Buy Non-Rising Stem Resilient-Seated(NRS) Gate Valve(Grooved End) which is of high quality directly with low price. We supply Non-Rising Stem Resilient-Seated(NRS) Gate Valve(Grooved End).The gate valve provides full flow with minimal pressure drop. The gate valve is designed to be the main control valve in an automatic fire sprinkler system. The gate valve features a AWWA C606 Groove, grooved end connection for easy installation and accessibility. We are expecting to become your long term partner in China.