Circle Seal 2349R-4MM Check Valve
2300 Series: 0 to 10000 psig Check Valves
Features & Benefits:
- Designed for high pressure service
- Resilient o-ring
- Single-piece design
- Less susceptible to contamination damage
- Zero leak at normal back pressure
- Automatic compensation for wear
- Cushioned, quiet closing

Circle Seal 2349R-4MM Check Valve Technical Data:
- Description: 1/2″ MNPT Check Valve, 17-4PH SS/Buna-N construction, rated up to 10000 psig
- Pressure Rating: 10000 psig
- Connections: 1/2″ MNPT
- Body Material: 17-4PH SS
- Seal Material: Buna-N
- Cracking Pressure: 2-5 psig
- Cv: 1.78
- Internal Leakage: Zero @ 3 psig to proof
- Temperature: -65F to +250F
- Repair Kit: K/2349R-4MM
Dimensional Information:
- Dimension “B” (HEX ACROSS FLATS): 1.000″
- Dimension “C” (LENGTH): 2.75″
- Dimension “E” (THREAD DEPTH): 0.79″
- Dimension “F” (DIAMETER): 0.95″
- Dimension “G” (HEX WIDTH): 0.50″

Notes:
- Cracking pressure is defined at which flow is 5 cc/min except for 2320 series valves (with PTFE seals) for which flow is approximately 0.02 cfm.
- Standard cracking pressure is noted above. Special cracking pressures may be available upon special request, contact ***@*****************ol.com“>Sales for assistance (min cracking pressure available = 0.5 psi; max cracking pressure available = 30 psi).
- Proper filtration is recommended to prevent damage to sealing surfaces.
Please contact our Sales Department for assistance in selecting the right products for your application.
Product Catalog: Circle Seal Check Valves


