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Check Valves
Product performance&structure
1,Working pressure:1.6Mpa
2,Inspection standard:API598 DIN3230
3,Suitable flange standard:DIN2501 PN10/16,BS4504 PN10/16,BS10 TABLED/E,JIS2220 10K/16K,ANSI125/150
4,Face to face :ANSI125/150,DIN3203 K3-1999,ISO5752-1982
5,Working temperature:EPDM -10°c~+120°c, NBR -10°c~+80°c, VITON -23°c~+150°c
This valve is installed in pipeline system as a medium against-flow protecting equipment
| NO. | PART | SPECIFICATION | QTY | |
| 1 | Valve Body | HT200 QT400 Stainless steel | 1 | |
| 2 | Spring | SS304,SS316 | 2 | |
| 3 | Valve Disc | QT400, WCB, Stainless steel, bronze | 2 | |
| 4 | Rings | Carbon steel | 1 | |
| 5 | Seat ring | EPDM NBR Viton | 1 | |
| 6 | Axis1 | Stainless steel | 1 | |
| 7 | Axis2 | Stainless steel | 1 | |
| 8 | PTFE Washer | F4 | 7 | |
| 9 | Rubber Washer | NBR | 2 | |
| 10 | Plugging screw | Carbon steel | 2 | |
matdhing pipeline DN | valve step(A) | pipeline touching (B) |
| matdhing pipeline | valve step(A) | pipeline touching (B) |
1/2"~3/4" | 15 | 15 | 10" | 50 | 50 | |
1"~1/4" | 20 | 20 | 12"~14" | 100 | 100 | |
1-1/2~2-1/2 | 25 | 25 | 16"~20" | 150 | 150 | |
3" | 40 | 40 | 24"~36" | 200 | 200 | |
4" | 50 | 50 | 42" | 250 | 250 | |
6" | 50 | 50 | 48"~60" | 300 | 300 | |
8" | 50 | 50 | 72" | 400 | 400 |
