DN: 25(NPS1)~1200(NPS48)
PN: 16(CLASS150)~150(CLASS900)
APPLICABLE SPECIFICATION
Design Standard:API 600, API602, GB/T 12234
Test&Inspection: API 6D/API 598/GB/T 3927/ JB/T 9092
Face To Face: API 6D/ ASME B16.10
Connection Standard:ASME B16.5/MSS.SP44
Butt-Welded Ends: ASME B16.25
MAIN MATERIALS
Body&Disc : Carbon Steel, Alloy Steel, Stainless Steel , Low Temperature Steel
Seat Insert: VITON/PTFE/RPTFE/PEEK/NYLON/DEVLON/HARD FACING
Gasket: Graphite&Stainless Steel
Packing: Graphite
FEATURE
Type: Antisulphur Type/ Adjustment Type/ Auto Compensation
Structure: Rising Stem Parallel Single Disc/ Rising Stem Parallel Single Disc
End Connection: Buttwelded/ Flanged
Sealing Type:Soft/Preliminary Metal Sealing and Secondary Soft Sealing/Metal-To-Metal
Driven Type: Manual/ Pneumatic/ Electric/ Gas Over Oil
Application Field: Natural Gas/ Petroleum/ Water
