Circle Seal 264S-xPP Check Valve
200 Series: 0 to 3000 psig Check Valves
Features & Benefits:
- Quick opening / positive closing provides a wide range of adaptability
- Large flow capacity: the streamlined poppet and full ports offer minimum restriction to flow
- Zero leakage: the patented sealing principle effects complete leak-proof closing under all pressure conditions
- Compact, easy installation
- Efficient inline piston reduces size and weight

Circle Seal 264S-xPP Check Valve Technical Data:
- Description: 200-Series Check Valve, constructed in Steel with Fluorosilicone seals, rated up to 3000 psig
- Operating Pressure: 0-3000 psig to 300°F
- Body Material: Steel
- Seal Material: Fluorosilicone
- Cracking Pressure: 0.5-1.0 psig
- Temperature Range: -80F to +350F
- Leakage:
- External: Zero
- Internal:
- Elastomeric seals: Zero
- PTFE seals: 5 cc/min max (0 to 50 psig) OR 0.5 cc/min max (50+ psig)
Dimensional Information:

Flow Rates:

Notes:
- Cracking pressure is defined as the pressure at which flow is 5 cc/min except for valves with PTFE seals, for which flow is approximately 0.02 cfm.
- Standard connection type is FNPT; many alternative connection types are available upon special request (contact Sales for assistance).
- Special cracking pressures may be available upon special request (contact Sales for assistance).
Please contact our Sales Department for assistance in selecting the right products for your application.
Product Catalog: Circle Seal Check Valves


