Product overview
1. The body and bonnet joint forms: PN10-64 using bolted bonnet; PN64-320 using the pressure sealed cover.
2. Stem nut: under normal circumstances, stem nut materials using ASTM A439 D2, at the same time can be based on user require the use of copper alloy materials, such as for large caliber cut-off valve, rolling bearing, can effectively reduce the cut-off valve open torque can easily switch valve.
3. Stem design: the whole forging process, in accordance with the standards to determine the minimum diameter.
4. The valve cover gasket form: PN10-64 cut-off valve adopts stainless steel graphite winding gasket; PN100 globe valves are available in stainless steel graphite winding gasket can also use a metal ring gasket; PN160 cut-off valve can be used metal ring gasket, PN320 cut-off valve adopts the pressure seal metal ring.
5. Stop valve structure features: bolt ?
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