Features & Benefits
  • Engineered for extended cycle life in high-use air applications
  • Large seat opening and high lift-disc for higher flow rates at a lower pressure loss
  • Separate flow and control chambers permit positive closing without springs; and only nominal cost for spring assist opening for low-pressure and self-draining applications
  • Cost-effective solution both in initial cost, as well as lifetime maintenance expenses
  • Separate diaphragm chambers protects the diaphragm from the flow stream, while allowing the valve to be serviced in-line
  • Constructed of cast iron, brass, stainless steel and Nitrile elastomer components, giving an unparalleled service life
  • 3/4-inch through 3-inch threaded (N.P.T. or B.S.P.); 3-inch through 4-inch flanged drilled in accordance with ASA16.1 class 125, or BSP4504
Features & Benefits
  • Seal and diaphragm materials available
  • Handles liquid and gases
  • Adaptable to wide variety of control devices
  • Spring assist (open or closed)
  • Position indicator
  • Limit stop for adjustable flow rate control
  • High temperature service