Circle Seal Check Valve 1/4 MNPT; 4.0 PSIG Cracking Pressure - Brass

• Medium flow
• Single piece design
• Resilient O-ring
• Maintenance free
• Dependable
• Economical 

• Series: 2200
• Body Material 1: Brass*
• O-Ring Material: Neoprene
• Connection Size: 1/4 in.
• End Connections (Inlet and Outlet): Male NPT
• Operating Pressure: 0 to 800 psig / 0 to 55 bar
• Cracking Pressure: 4 psig
• Available Cracking Pressures: 0.1 to 7 psi
• Operating Temperature: -40 to 300 ºF
• Flow Coefficient (Cv): 0.74
• Spring Material: 302 Stainless Steel
• Proof Pressure: 1200 psig / 83 bar
• Max. Allowable Pressure Drop (Air): 5 psid
• Max. Allowable Pressure Drop (Oil): 10 psid
• Dim. A: 1.59 in
• Dim. B: 0.54 in
• Dim. C: 0.54 in
• Dim. D: 0.63 in
• Weight: .08 lbs
• Optional Body Material: 
  • 316 Stainless Steel
  • Brass
• Optional End Connections:
  • M - Male
  • NPTS - British Taper Pipe (Male) 
• Leakage: Zero @ 1 psig to 800 psig

NOTE: For your safety, it is solely the responsibility of the system designer and user to select products suitable for their specific application requirements and to ensure proper installation, operation, and maintenance of these products. Material compatibility, product ratings and application details should be considered in the selection. Improper selection or use of products described herein can cause personal injury or property damage.

*For PED applications, brass bodies are limited to a maximum temperature of +100°F (+38°C).