Cast Iron/ductile iron Duo Plate Wafer Check Valves, single plate wafer check valve
Standard compliance:
1)Design and manufacture: API594
2)Test and inspection: API 598
3)Face to face dimensions: BS EN 558-1
4)Install between flanges: ANSI 16.10 CLASS 125, DIN2501 PN10/16, BS4504 PN10/16
Specifications:
1)Size: DN40 to DN2000
2) Class: PN10, PN16.125LB, 150LB
3)Type: Double Disc, Single Disc, wafer type, NBR/EPDM/VITON/PTFE Seat
4)Material: CAST IRON, DUCTILE IRON, CF8, CF8M
Description:
Design and manufacture: MSS SP-67, API 609
Test and inspection: API 598 .
Flanged end: ANSI, BS, DIN etc.
Resilient seat
Size: 2" ~ 24" (DN50 ~ 600)
Working pressure: 1.0MPa/1.6MPa
Standard materials of parts
Dimensions (in mm & inch) and weight
Standard compliance:
1)Design and manufacture: API594
2)Test and inspection: API 598
3)Face to face dimensions: BS EN 558-1
4)Install between flanges: ANSI 16.10 CLASS 125, DIN2501 PN10/16, BS4504 PN10/16
Specifications:
1)Size: DN40 to DN2000
2) Class: PN10, PN16.125LB, 150LB
3)Type: Double Disc, Single Disc, wafer type, NBR/EPDM/VITON/PTFE Seat
4)Material: CAST IRON, DUCTILE IRON, CF8, CF8M
Description:
Design and manufacture: MSS SP-67, API 609
Test and inspection: API 598 .
Flanged end: ANSI, BS, DIN etc.
Resilient seat
Size: 2" ~ 24" (DN50 ~ 600)
Working pressure: 1.0MPa/1.6MPa
Standard materials of parts
| No. | Part Name | Material |
| 1 | Body | Grey iron, Ductile iron, Cast steel, Stainless steel |
| 2 | Disc | Ductile iron, Aluminum bronze, Stainless steel |
| 3 | Spring | Stainless steel |
| 4 | Hinge Pin | Stainless steel |
| 5 | Stop Pin | Stainless steel |
| 6 | Plug | Steel |
| 7 | Body Bearing | PTFE |
| 8 | Spring Bearing | PTFE |
| 9 | Eye Bolt | Steel |
| 10 | Body Seat | EPDM, Neoprene and NBR etc. |
| Size | φA | φE | B | GR | F | WT KGS | |
| mm | inch | ||||||
| 50 | 2" | 102 | 65 | 43 | 28.8 | 19 | 1.5 |
| 65 | 2.1/2" | 121 | 80 | 46 | 36.1 | 20 | 2.4 |
| 80 | 3" | 134 | 94 | 64 | 43.4 | 28 | 3.6 |
| 100 | 4" | 171 | 117 | 64 | 52.8 | 27 | 5.7 |
| 125 | 5" | 193 | 145 | 70 | 65.7 | 30 | 7.3 |
| 150 | 6" | 219 | 170 | 76 | 78.6 | 31 | 9.0 |
| 200 | 8" | 276 | 224 | 89 | 104.4 | 33 | 17 |
| 250 | 10" | 336 | 265 | 114 | 127 | 50 | 26 |
| 300 | 12" | 406 | 310 | 114 | 148.3 | 43 | 42 |
| 350 | 14" | 448 | 360 | 127 | 172.4 | 45 | 55 |
| 400 | 16" | 489 | 410 | 140 | 197.4 | 52 | 75 |
| 450 | 18" | 511 | 450 | 152 | 217.8 | 58 | 101 |
| 500 | 20" | 546 | 505 | 152 | 241 | 58 | 111 |
| 600 | 24" | 603 | 624 | 178 | 295.4 | 73 | 172 |