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Flanged Type Forged Swing Check Valve
Applicable Standards:               
Gate valve, API602
Steel Valves, ASME B16.34
Face to face ASME B16.10/MFG’S STANDARD
Socket Welded ASME B16.11
Screw Threaded AEME B1.20.1/BS 21
End Flanges ASME B16.5
Butt welding ends ASME B36.10M
Inspection and test API 598
Material: Forged Steel (A105N)
Size Range: 1/2"~2"
Pressure Rating: ASME CL, 150, 300, 600, 900, 1500, 2500
Temperature Range: -196°C~600°C
| Brand | DIDTEK | 
| Structure | Check | 
| Valve Material | Didtek provide cast steel, stainless steel, special alloy, CI, DI etc | 
| Valve Type | Didtek Produce Check Valve | 
| Valve Test | 100% quantity tested before delivery | 
| Valve Guarantee | 18 months after shipments and 12 months after installed | 
| Valve Structure | Flange Forged Swing Check Valve | 
| Valve Delivery | 15 - 30 days | 
| Valve Sample | Sample Available by Didtek Valve | 
| Valve Color | Customer request | 
| Valve Packing | Plywood Case for Check Valve | 
| MOQ | 1 Set | 
| Valve Certificate | API6D/CE/ISO9001/ISO14001 | 
| Place of Origin | Zhejiang, China (Mainland) | 
| Delivery Detail: | Shipped in 15-30 days after payment | 
| Port | Shanghai Or Ningbo | 
| Payment Terms | L/C,D/A,D/P,T/T, Western Union | 
Flanged End Check Valve 150Lb~600Lb
Standard Material Specifications
| 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 | Nameplate | SS | |||
| 3 | Piston Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) | 
| 4 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) | 
| 5 | Gasket | Corrueated SS + graphite | SS + PTFE | ||
| 6 | Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8(M) | 
| Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3,CH3OOH etc | ||
| Suitable Temperature | -29 425 | -29 550 | -29 180 | ||
Note: Other materials are available upon request.
Dimensions (mm) and Weights (Kg)
| NPS | 1/2 | 3/4 | 1 | 1-1/4 | 1-1/2 | 2 | ||
| L(RF)L1(BW) | 150 | 108 | 117 | 127 | 140 | 165 | 203 | |
| 300 | 152 | 178 | 203 | 216 | 229 | 267 | ||
| 600 | 165 | 190 | 216 | 229 | 241 | 292 | ||
| H | 150,300 | 61 | 61 | 79 | 95 | 103 | 118 | |
| 600 | 61 | 79 | 95 | 103 | 118 | 135 | ||
| Weights | 150 | RF | 2.56 | 3.37 | 4.37 | 8.17 | 8.94 | 12.64 | 
| BW | 1.70 | 1.90 | 2.10 | 5.12 | 5.50 | 7.89 | ||
| 300 | 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 | ||
| 600 | 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 | ||