MSS SP-71 CLASS 125 CAST IRON SWING CHECK VALVE
1.size:DN50-DN600;2''-24''
2.Medium:water
3.Standard:EN12334/BS5153/MSS SP-71/AWWA C508
4.Pressure:CLASS 125-300/PN10-25/200-300PSI
5.Material:CI,DI
6.Type:wafer,swing
TECHNICAL REQUIREMENT : Design and Manufacture Conform to MSS SP-71 Flange dimensions Conform to ASME B16.1 Face to Face dimensions Conform to ASME B16.10 Testing Conform to MSS SP-71
Materials of parts |
No. |
Part Name |
Material |
1 |
BODY |
ASTM A126 B |
2 |
SEAT RING |
ASTM B62 C83600 |
3 |
DISC |
ASTM A126 B |
4 |
DISC RING |
ASTM B62 C83600 |
5 |
HINGE |
ASTM A536 65-45-12 |
6 |
STEM |
ASTM A276 410 |
7 |
BONNET |
ASTM A126 B |
NOTE: Above 6 inch have eyebolt |
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Dimensions data (mm) |
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NPS |
2″ |
2½ |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
Dn |
51 |
63.5 |
76 |
102 |
127 |
152 |
203 |
254 |
305 |
356 |
406 |
457 |
508 |
610 |
L |
203.2 |
215.9 |
241.3 |
292.1 |
330.2 |
355.6 |
495.3 |
622.3 |
698.5 |
787.4 |
914.4 |
965 |
1016 |
1219 |
D |
152 |
178 |
191 |
229 |
254 |
279 |
343 |
406 |
483 |
533 |
597 |
635 |
699 |
813 |
D1 |
120.7 |
139.7 |
152.4 |
190.5 |
215.9 |
241.3 |
298.5 |
362 |
431.8 |
476.3 |
539.8 |
577.9 |
635 |
749.3 |
b |
15.8 |
17.5 |
19 |
23.9 |
23.9 |
25.4 |
28.5 |
30.2 |
31.8 |
35 |
36.6 |
39.6 |
42.9 |
47.8 |
n-d |
4-19 |
4-19 |
4-19 |
8-19 |
8-22 |
8-22 |
8-22 |
12-25 |
12-25 |
12-29 |
16-29 |
16-32 |
20-32 |
20-35 |
H |
124 |
129 |
153 |
170 |
196 |
259 |
332 |
383 |
425 |
450 |
512 |
702 |
755 |
856 |
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