VCV Sizes
Non-Slam Check Valves are supplied in the following standard sizes but we can also manufacture custom sizes up to 84” (DN2100):
| mm | 50 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| in | 2 | 3 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 |
| mm | 650 | 700 | 750 | 800 | 900 | 1000 | 1050 | 1200 | 1250 | 1300 | 1400 | 1500 |
| in | 26 | 28 | 30 | 32 | 36 | 40 | 42 | 48 | 50 | 52 | 56 | 60 |
Pressure Classes
- 150
- 300
- 400
- 600
- 900
- 1500
- 2500
- PN10
- PN20
- PN50
- PN64
- PN68
- PN100
- PN150
- PN250
- PN420
- API 5000
- API 10000
- API 15000
| ANSI Classes | |
|---|---|
| ASTM A 395a BS2789 GR 420/12 | Ductile Iron |
| ASTM A 352 GR LCC / ASTM A350 LF2 | Low Temperature Carbon Steel |
| ASTM A 216 GR WCB | Carbon Steel |
| ASTM A 351 GR CF8M / 316SS | 316 Stainless Steel |
| ASTM A 217 GR CA15 / 410SS | 13%Cr 410 Stainless Steel |
| ASTM A995 4A / UNS S 31803 | 22%Cr Duplex Stainless Steel |
| ASTM A995 6A / UNS S 32760 | 25%Cr Duplex Stainless Steel |
| ASTM B148 C95800 | Alu Bronze |