You can rest assured to buy customized Hispeed® 300PSI Bronze Butterfly Valve(Grooved) from us. We supply 300PSI Bronze Butterfly Valve(Grooved).The butterfly valves are indicating type valves designed for use in fire protection systems where a visual indication of open valve condition is required. The butterfly 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.