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- Features
- Cost efficient design - low weight and short laying length produce savings in initial cost, spacer requirements and installation when compared to full body, swing-type check valves
- Minimal head loss contour of body provides a short and straight flow path that generates very little turbulence
- Additionally, these spring loaded discs are designed with very low cracking pressure which reduces the amount of energy required to open the valve
- Quick closure to reduce water hammer shut-off is achieved via the fully automatic, spring assisted discs that close near zero flow velocity
- The lightweight, split disc design creates a positive shut-off prior to flow reversal and helps to keep slamming and surges to a minimum
- Ductile iron body - ductile iron body maintains the anti-corrosive properties of cast iron while achieving a yield strength comparable to carbon steel
- Ductile iron also offers higher pressure/temperature ratings than cast iron
- Resilient soft seats - resilient soft seats (EPDM, FKM or Buna) ensure a bubble-tight seal that meets or exceeds API 598 test requirements
- STANDARD_APPROVALS: API 598|ASME 16.34|ASME 16.5|ASME B16.42|ASME/API 594|ASTM A536|FM Approved