Applicable Standards
★Steel Check Valves, API 602
★Steel Valves, ASME B16.34
★Face to Face, Manufacturer Standard
★Face to Face, Flanged, ASME B16.10
★End Flanges, ASME B16.5
★Buttwelding Ends, ASME B16.25
★Socket-welding Ends, ASME B16.11
★Screwed Ends, ASME B1.20.1
★Inspection and Test, API 598
Design Description
▲Pressure Seat Bonnet
▲Choice of WB, Welding Bonnet
▲Lift or Swing Type
▲Seat rings Integral with Body of Lift
▲Horizontal or Vertical Service
▲Socket Weld Ends
▲SW, Socket-welding Ends
▲SC, Screwed Ends
▲BW, Buttwelding Ends
▲Flanged Ends
Standard Material Specifiactions
| No. |
Part Name |
ASTM Material |
| Carbon Steel |
1.25Cr-0.5Mo |
2.25Cr-1Mo |
304 Type |
316 Type |
304L Type |
316L Type |
20 Alloy |
| 1 |
Body |
A105 |
A182 F11 |
A182 F22 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
20-Alloy |
| 2 |
Bonnet |
A105 |
A182 F11 |
A182 F22 |
A182F304 |
A182F316 |
A182 F304L |
A182F316L |
20-Alloy |
| 3 |
Disc |
A182 F6a |
A182 F11+HF |
A182 F22+HF |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
20-Alloy |
| 4 |
Seat Gasket |
A182F6a |
A182 F11 |
A182 F22 |
A182F304 |
A182F316 |
A182 F304L |
A182F316L |
20-Alloy |
| 5 |
Bonnet Bolt |
A182 F6a |
A182 F11+HF |
A182 F22+HF |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
20-Alloy |
| 6 |
Cover |
304+
Graphit |
304+
Graphit |
304+
Graphit |
304+
Graphit |
316+
Graphit |
304L+
Graphit |
316L+
Graphit |
316+
Graphit |
| 7 |
Nut |
A193 B7 |
A193 B7 |
A193 B16 |
A193 B8 |
A193 B8 |
A193 B8 |
A193 B8 |
A193 B8 |
| 8 |
Name plate |
A105 |
A182 F11 |
A182 F22 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
20-Alloy |
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