Serie ZRK(F) SWING CHECK VALVE
SWING CHECK VALVE
Nominal diameter: DN32 – DN600 (larges sizes on request)
Nominal pressure : 0 bis 16 bar
Temperatures: -10°C bis +300°C
Features:
• Short installation length
• Installation between flanges according
EN 1092-1 Form B, PN 10 bis PN 40
(ANSI B16.5 – 150lbs)
• Resilient and metal / metal seated
• Design with spring (ZRKF) or without spring (ZRK) available
• Minimum back pressure of 0,3bar is required to keep valve tight
| Materials | ||
| • Body: | Ductile Iron GGG40 | |
| Carbon steel DIN 1.0619, galvanized | ||
| Carbon steel (C22.8), galvanized | ||
| Stainless steel DIN 1.4408 / 1.4571 | ||
| DUPLEX stainless steel DIN 1.4469 | ||
| Aluminum bronze DIN 2.0975 | ||
| • Disc: | Carbon steel DIN 1.0619, galvanized | |
| Stainless steel DIN 1.4408 / 1.4581 / 1.4571 | ||
| DUPLEX stainless steel DIN 1.4469 | ||
| Aluminum bronze DIN 2.0975 | ||
| • Seal: | NBR (-10 to +90°C) | |
| EPDM (-10 to +120°C) | ||
| FPM (Viton) (-10 to +150°C) | ||
| PTFE (-10 to +200°C) | ||
| Metal-metal (-10 to +300°C) | ||
| • Spring: | Stainless steel DIN 1.4571 | |
| Hastelloy C4 , DIN2.4610 | ||
| Applications | ||
| • Industrial applications • For liquid and gaseous fluids group 1: explosive, inflammable, toxic, incendiary group 2: (all others) • According pressure Equipment Directive 97/23/EG • NOT suitable for fluids containing solids |
