Circle Seal C220T-6Q Cartridge Check Valve
C200 Series: 0 to 5000 psig Cartridge Check Valves
Features:
- Large flow capacity
- Compact design
- Floating o-ring
Benefits:
- Maintenance-free flow
- Easy installation
- Zero leak
- Quiet closing
- Automatic compensation for wear

Circle Seal C220T-6Q Cartridge Check Valve Technical Data:
- Description: 1-5/8″ Bore Diameter Cartridge Check Valve, 303SS/PTFE construction, rated up to 5000 psig
- Pressure Rating: 5000 psig
- Installation Bore Diameter: 1-5/8″
- Body Material: 303SS
- Seal Material: PTFE
- Cracking Pressure: 8 psig max.
- External Leakage: Zero
- Internal Leakage: 0-50 psig = 5 cc/min max.; 50+ psig = 0.5 cc/mmin max.
- Temperature: -100F to +400F
- Cv: 10.3
Dimensional Information:
- Dimension “A” (OVERALL LENGTH): 2.16″
- Dimension “B” (BODY DIAMETER): 1.621″
- Dimension “C” (OUTLET BORE DIAMETER): 0.92″
- Dimension “D” (INLET BORE DIAMETER): 0.91″
- Dimension “E” (OUTSIDE DIAMETER): 1.623″
- Dimension “G” (O-RING LOCATION): 0.380″
- Dimension “H” (O-RING GROOVE WIDTH): 0.208″
- Dimension “J” (INSTALLATION BORE DIAMETER): 1.625″
- “L” O-ring size (AS568): 220
- “M” Backup ring size (MS28774): 220
- Weight: 1.06 lbs.

Notes:
- Proper filtration is recommended to prevent damage to sealing surfaces.
- Cracking pressure is defined as pressure at which flow is 5 cc/min, except for C220 series (PTFE seal), for which flow is approximately 0.02 cfm.
- Other cracking pressures available upon request; contact Sales Department for assistance.
Please contact our Sales Department for assistance in selecting the right products for your application.
Product Catalog: Circle Seal Check Valves


