Ball valve,China Plug valve,Gate valve,Globe valve China Manufacturer
Forged steel flange piston check valve
Tel:+86-577-21821566 / 21821577 / 21821599 Fax:+ 86-577-21822599
+Add:Qianshi Industry Zone,Oubei Town,Yongjia county,Zhejiang Province,P.R.China
+Add:Qianshi Industry Zone,Oubei Town,Yongjia county,Zhejiang Province,P.R.China
Forged steel flange piston check valve Series:Check Valve
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| Material List | ||||||||
| Item | 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 | Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) | |||
| 4 | Nameplate | SS | ||||||
| 5 | Gasket | 316+Flexible graphite | 316+PTFE | |||||
| 6 | Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M | |||
| Suitable medium | W.O.G etc | W.O.G etc | Nitric acid,Acetic acid etc | |||||
| Suitable temperature | -29℃～425℃ | -29℃～550℃ | -29℃～180℃ | |||||
| Note:Other material are available upon request. | ||||||||
| CS=Carbon steel;AS=Alloy steel;SS=Stainless steel; | ||||||||
| Size(MM)&Weight(KG) | ||||||||
| NPS | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | ||
| L(RF) | 150Lb | 108 | 117 | 127 | 140 | 165 | 203 | |
| L1(BW) | 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 | ||
| Weight | 150Lb | RF | 2.56 | 3.37 | 4.37 | 8.17 | 8.94 | 12.64 |
| BW | 1.7 | 190 | 2.1 | 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 flange piston check valve 900LB-1500LB | ||||||||
| Material List | ||||||||
| Item | 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 | Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) | |||
| 4 | Namplate | SS | ||||||
| 5 | Gasket | SS+Flexible graphite | ||||||
| 6 | Bolt | A193 B7 | A193 B16 | A193 B8(M) | A193 B8M | |||
| Suitable medium | W.O.G etc | W.O.G etc | Nitric acid,Acetic acid etc | |||||
| Suitable temperature | -29℃～425℃ | -29℃～550℃ | -29℃～180℃ | |||||
| Note:Other material are available upon request. | ||||||||
| CS=Carbon steel;AS=Alloy steel;SS=Stainless steel; | ||||||||
| Size(MM)&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 | ||
| Weight | RTJ | 8.5 | 10.5 | 15.7 | 20.8 | 27.2 | 33 | |
| BW | 6.4 | 8 | 13.2 | 17.8 | 24.2 | 29.7 | ||
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KNOWLEDGE
Plug valve, also called cock or stop-cock valves, is one of the most widely used valves for both on/off and throttling services. Their design is fairly simple; the body is comprised of three main parts: body, cover and plug. The plug is a cylindrical, tapered, or generally cone-shaped device that can be raised or lowered within the seat to maintain, restrict or completely shut off flow. The valve is opened by rotation...
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