Cast iron swing check valves
Description
1. Cast iron swing check valves called as cast iron one-way valves or cast iron non-return valves, it was widely used for sewage water or water supply & drainage, pump etc, cast iron swing check valves can open or close automatically by the medium's flow direction and strength. Cast iron swing check valves' function on pipe is preventing the medium flow back.
Component
1 | Body | Cast Iron / ductile iron |
2 | Seat | Brass/Bronze/Stainless steel |
3 | Disc | Cast Iron / ductile iron |
4 | Hanger | Cast Iron / ductile iron |
5 | Pin | Stainless steel |
6 | Bonnet | Cast Iron / ductile iron |
Applicable standard
1 | Face to face according to MSS-SP-71, DIN 3202-F6,BS5153/4090,JIS10K |
2 | Flange drill according to ANSI B16.1 / 16.5, DIN2531/2532/2533/EN1092, BS4504 Table E/ BS10 Table E, JIS B2212 |
3 | Normal pressure : PN6/10/16, ANSI 125/150, JIS10K. |
Test
Working pressure | 125 Psi / PN10 | 150 Psi / PN16 |
Shell pressure | 1.5 Mpa | 2.4 Mpa |
Seat pressure | 1.1 Mpa | 1.76 Mpa |
Dimension for class 125/150 for reference
DN | 40 | 50 | 65 | 100 | 125 | 150 | 200 | 250 | 300 |
A(length) | 165 | 203 | 216 | 292 | 330 | 356 | 495 | 622 | 698 |
G(height) | 127 | 130 | 135 | 186 | 197 | 235 | 286 | 305 | 352 |
C( flange OD) | 127 | 152 | 178 | 229 | 254 | 279 | 343 | 406 | 483 |
