The valve connection is via threaded connector/rising stem/ no asbestos airproof.
The threaded connection meets the requirement of BS21(ISO7).
Specification range: DN15(1/2")～DN50(2")
Operating pressure: 300psi（20.7bar）
Test pressure: 450 psi(31 bar)
Valve body: bronze
Valve cover: bronze
Valve case: brass
Sealing screw: aldary
Hand wheel: aluminum alloy