DN:15(NPS1/2) ~400(NPS16)
PN:16(CLASS 150Lb)~40(CLASS 300)
APLICABLE SPECIFICATION
Design Standard: API 6D/API 608/ASME B16.34/GB/T 12237
Inspection&Test: API 6D, API 598, GB, DIN etc..
Face To Face: API 6D, ASME B16.10, DIN
Flange Ends:ASME B16.5/ASME B16.47/GB/T 9113.1/HG/T 20615-2009
MAIN MATERIALS
Body:Carbon Steel/ Alloy Steel/ Stainless Steel/ Low Temperature Steel
Ball&Seat Ring :Carbon Steel/Alloy Steel/ Stainless Steel/ Low Temperature Steel, Chrome (Nickel) Plated
Seat: PTFE, RPTFE, VITON,PEEK, NYLON ETC.
Stem: Stainless Steel, Chrome (Nickel) Plated
O Ring:NBR, BUNA-N, VITON ETC.
Sealing Type:Soft/Preliminary Metal Sealing and Secondary Soft Sealing/Metal-To-Metal
Trim:Forgings
Seat Insert:VITON/PTFE/RPTFE/PEEK/NYLON/DEVLON/HARD FACING
STRUCTURAL FEATURES
Body:Fully Welded Body(Avoid Leakage)
Stem:Extension (Easy to be operated above ground)
Single Relief Valve/Double Relief Valve/No Relief Valve (When Maintaining, discharge Residual Fluid in the pipe)
End Connection: PE, Heat Melting or Electric Melting
Seat:Pressure Self Relieving/Double Piston Effect/& Downstream Double Piston Effect&Upstream Self Relieving
Bore Type:/ Full Bore/Reduced Bore
Face To Face:ASME B16.10/GB/T 12221/BS 558
Driven Type: Manual/ Electric/ Pneumatic/ Gas Over Oil/ Electro-hydraulic
Fire Safe/Anti-Static/Blow-out Proof Stem
Application Field:City Gas
