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
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 |