Wafer Ends Dual Check Valve
Wafer Ends Dual Check Valve size: 1/2"(DN15)-42"(DN1050)
Wafer Ends Dual Check Valve pressure: 150LB-2500LB / PN16- PN320
Material: A105, F11, F22, F51, F91, LF2, LF3, WCB, WCC, WC6, WC9, C5, C12, C12A, LCB, LCC, LC1, LC3, CF8, CF8M, CF3, CF3M, CF8C
Medium: Water, oil, gas, steam
Standards:
Design and Manufacture: Cast steel check valve to BS 1868, ASME B 16.34 and API 6D; Forged steel check valve to API 602'
Inspection and Test: API 598 or API 6D
End flange dimension: ASME B 16.5(for NPS≤ 24); ASME B 16.47 series B, API 605 or ASME b 16.47 series A, MSS SP-44(for NPS bigger than 24)
BW end dimension: ASME B 16.25
Socket-weld dimension: ASME B 16.11
Face to face and end to end: ASME B16.10
Pressure-temperature ratings: ASME B 16.34
Wall thickness dimension: API 600 and BS 1868
|
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 |
Piston Disc |
A276 410 |
A276 304 |
A276 304(L) |
A276 316(L) |
|
3 |
Gasket |
Corrugated SS + graphite |
SS + PTFE |
|
4 |
Bonnet |
A105 |
A182 F22 |
A182 F304 L |
A182 F316(L) |
|
5 |
Nameplate |
SS |
|
6 |
Bolt |
A193 B7 |
A193 B16 |
A193 B8M |
A193 B8M |
|
7 |
Ball |
A182 F304 |
A182 F304 |
A182 F304 |
A182 F304 |
|
Suitable Medium |
W. O. G. etc |
W. O. G. etc |
HNO3CH3OOH etc |
|
Suitable Temperature |
-29~425 |
-29~550 |
-29~180 |
Note: Other materials are available upon request.
Dimensions (mm) and Weights (Kg) 800Lb
|
NPS |
Conv. |
3/8" |
1/2" |
3/4" |
1" |
1-1/4" |
1-1/2" |
2" |
|
|
Full |
|
3/8" |
1/2" |
3/4" |
1" |
1-1/4" |
1-1/2" |
2" |
|
L |
79 |
79 |
92 |
111 |
120 |
152 |
172 |
200 |
|
H |
61 |
61 |
65 |
79 |
95 |
103 |
118 |
132 |
|
Weights |
Bolted |
1.4 |
1.2 |
1.5 |
3.1 |
3.9 |
5.6 |
8.9 |
12.5 |
|
Welded |
1.1 |
1.0 |
1.2 |
2.9 |
3.3 |
4.9 |
8.1 |
10.9 |
Dimensions (mm) and Weights (Kg) 900Lb~1500Lb
|
NPS |
Conv. |
3/8" |
1/2" |
3/4" |
1" |
1-1/4" |
1-1/2" |
2" |
|
|
Full |
|
3/8" |
1/2" |
3/4" |
1" |
1-1/4" |
1-1/2" |
2" |
|
L |
92 |
111 |
111 |
120 |
152 |
172 |
200 |
220 |
|
H |
65 |
79 |
79 |
97 |
104 |
120 |
139 |
215 |
|
Weights |
Bolted |
1.6 |
3.4 |
3.3 |
5.5 |
6.0 |
9.2 |
12.9 |
16.2 |
|
Welded |
1.3 |
3.2 |
3.1 |
4.8 |
5.4 |
8.5 |
11.2 |
14.3 |
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