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