Forged steel flanged end check valve150Lb~600Lb Standard Material Specification
| NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | |
| Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 3 | Piston Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 4 | Nameplate | SS | |||
| 5 | Gasket | Corrugated SS+graphite | SS+PTFE | ||
| 6 | Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| Suitable Medium | W.O.G.etc | W.O.G.etc | HNO 3 ,CH 3 OOH etc | ||
| Suitable Temperature | -29℃～425℃ | -29℃～550℃ | -29℃～180℃ | ||
Note: Other materials are available upon request. CS=Carbon Steel; AS=Alloy Steel; SS=Stainless Steel. Dimension (mm) and Weight (Kg)
| NPS | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | ||
| L(RTJ) L1(BW) |
150Lb | 108 | 117 | 127 | 140 | 165 | 203 | |
| 300Lb | 152 | 178 | 203 | 216 | 229 | 267 | ||
| 600Lb | 165 | 190 | 216 | 229 | 241 | 292 | ||
| H | 150Lb ～ 300Lb | 61 | 61 | 79 | 95 | 103 | 118 | |
| 600Lb | 61 | 79 | 95 | 103 | 118 | 135 | ||
| weights | 150Lb | RF | 2.56 | 3.37 | 4.37 | 8.17 | 8.94 | 12.64 |
| BW | 1.70 | 190 | 2.10 | 5.12 > | 5.50 > | 1.89 > | ||
| 300Lb | RF | 2.73 > | 3.65 > | 4.74 > | 8.77 > | 9.60 > | 13.70 > | |
| BW | 1.90 > | 2.10 > | 3.00 > | 5.12 > | 6.60 > | 7.85 > | ||
| 600Lb | RF | 3.00 > | 4.00 > | 5.83 > | 9.47 > | 10.10 > | 15.6 > | |
| BW | 2.00 > | 3.12 > | 4.25 > | 7.25 > | 8.56 > | 13.60 > | ||
Forged steel flanged end check valve900Lb~1500Lb Standard Material Specification
| NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | |
| Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 3 | Piston Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 4 | Nameplate | SS | |||
| 5 | Gasket | Corrugated SS+graphite | |||
| 6 | Bolt | A193 B7 | A193 B16 | A193 B8(M) | A193 B8M |
| Suitable Medium | W.O.G.etc | W.O.G.etc | HNO 3 ,CH 3 OOH etc | ||
| Suitable Temperature | -29℃～425℃ | -29℃～550℃ | -29℃～180℃ | ||
Note: Other materials are available upon request.
CS=Carbon Steel; AS=Alloy Steel; SS=Stainless Steel. Dimension (mm) and Weight (Kg)
| NPS | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | |
| L(RTJ) | 216 | 229 | 254 | 279 | 305 | 371 | |
| L1(BW) | 216 | 229 | 254 | 279 | 305 | 368 | |
| H | 79 | 79 | 95 | 104 | 120 | 139 | |
| Weights | RTJ | 8.5 | 10.5 | 15.7 | 20.8 | 27.2 | 33.0 |
| BW | 6.4 | 8.0 | 13.2 | 17.8 | 24.2 | 29.7 | |
© 1997-2009 China Valve Manufacturer - Kojo valve Co.,LTD. all rights reserved
established in 1997.the main products are forged steel and cast stell ball valve,gate valve,check valve and so on
