德标铸铁止回阀 旋启式
DIMENSION IN MILLIMETER |
SIZE | 2" | 2.5" | 3" | 4" | 5" | 6" | 8" | 10" | 12" | 14" | 16" |
L | 203.2 | 215.9 | 241.3 | 292 | 330.2 | 355.6 | 495 | 622 | 698.5 | 787 | 914 |
D | 152 | 178 | 190 | 228.6 | 254 | 279.4 | 343 | 406.4 | 483 | 533 | 597 |
Dk | 121 | 140 | 152.5 | 190.5 | 215.9 | 241 | 298.5 | 362 | 432 | 476 | 540 |
b | 15.9 | 17.5 | 19 | 24 | 23.4 | 25.4 | 30 | 31 | 31.8 | 35 | 36.6 |
n-d | 4-19 | 4-19 | 4-19 | 8-19 | 8-22 | 8-22 | 8-22 | 12-25 | 12-25 | 12-29 | 16-29 |
H | 113 | 133 | 144 | 168 | 195 | 217 | 260 | 287 | 319 | 443 | 596 |
MATERIAL LIST
No. | Part | Material | USA Standard |
1 | Bolts | Steel | ASTM A307 B |
2 | Identification Plate | Aluminium | |
3 | Bonnet | Cast iron | ASTM A126 Class B |
4 | Body Gasket | Graphite | Non Asbestos |
5 | Nuts | Steel | ASTM A307 B |
6 | Side Plug | Brass | ASTM B16 |
7 | Gasket | Fiber | |
8 | Hanger Pin | Brass | ASTM B16 |
9 | Hanger | Ductile Iron | ASTM A536 65-45-12 |
10 | Disc Ring | Cast Bronze | ASTM B62 |
10 | Disc | Cast Iron | ASTM A126 Class B |
11 | Washer | Steel | ASTM A307 B |
12 | Split Pin | Stainless Steel | ASTM A307 B |
13 | Seat Ring | Cast bronze | ASTM B62 |
14 | Disc Nut | Steel | ASTM A307B |
15 | Body | Cast Iron | ASTM A126 Class B |
16 | Stud Bolt | Steel | ASTM A307 B |
DESCRIPTION
1.Conform to MSS SP-71
2.Flange drilled to ANSIB16.1(125LB)
3.Face to face confom to ANSI B16.10(125LB)
4.Working pressure: 125S, 200WOG
5.Suitable media: water, oil, gas
6.Size:from 2"-16"
