Norriseal has been a leading supplier of valve and control solutions for more than four decades.

Norriseal™ check valves

Non-slam piston check valves designed for positive prevention of back-flow in gas, air or liquid systems.

Series 7100 Flow Lift®

Optional reduced port trims for low-flow applications.

  • Available in 1.0-inch through 12-inch sizes in ANSI 150 to 2500 pressure classes in threaded, raised face or ring joint end connections
  • Built-in lifting device for piston removal and inspection
  • High flow capacity
  • Low pressure drop
  • Bolted closure
  • Meets API 6D specifications