Pulsafeeder J41772 FPP/CSPE/PTFE Injection Check Valve - 3/8-Inch
FPP/CSPE injection check valve with PTFE check ball, 3/8-inch OD tubing and 1/2-inch male NPT process connection. Listed for PULSAtron PHT1 wet ends.
Pulsafeeder J41772 FPP/CSPE/PTFE Injection Check Valve
The Pulsafeeder J41772 is an injection back-check valve assembly for compatible PULSAtron PHT1 wet ends. It combines an FPP body, CSPE/Hypalon valve seat and PTFE check ball with a 3/8-inch outside-diameter tubing connection and 1/2-inch male NPT process connection.
Technical Specifications
- Manufacturer: Pulsafeeder
- Part Number: J41772
- Product Type: Injection Back Check Valve
- Body Material: FPP / Polypropylene Family
- Seat Material: CSPE / Hypalon
- Check Ball: PTFE / TFE
- Tubing Connection: 3/8-Inch OD
- Process Connection: 1/2-Inch Male NPT
- Compatible Wet End: PHT1
Chemical Injection Backflow Protection
The injection valve is installed at the point where the chemical metering pump discharge tubing connects to the process line. Its one-way check mechanism helps prevent reverse movement of process liquid toward the metering pump.
CSPE Seat and PTFE Ball
The CSPE/PTFE configuration distinguishes J41772 from injection valves using ceramic check balls. The housing, seat and ball materials should match the original liquid-end specification and the chemical being injected.
PHT1 Wet-End Compatibility
Distributor parts listings identify J41772 for PULSAtron PHT1 wet ends. The tubing connection is 3/8-inch OD, while the process-side connection is 1/2-inch male NPT. Confirm both dimensions before ordering.
Installation and Inspection
Check the tubing coupling, threaded fitting and injection point for leakage, deposits or damage. Inspect the valve seat and check ball for contamination when troubleshooting restricted chemical delivery.
Maintenance Considerations
Isolate the chemical supply, relieve system pressure and follow the manufacturer service instructions before removing the injection valve. Verify chemical compatibility and original wet-end configuration.
Ordering Information
Specify Pulsafeeder J41772 for the FPP/CSPE/PTFE injection valve with 3/8-inch OD tubing used on compatible PHT1 wet ends.
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