Pulsafeeder 41693 PVC/CSPE/Ceramic Injection Check Valve - 3/8-Inch
PVC injection check valve with CSPE/Hypalon seat, ceramic ball, 3/8-inch OD tubing connection and 1/2-inch male NPT injection connection.
Pulsafeeder 41693 PVC/CSPE/Ceramic Injection Check Valve
The Pulsafeeder 41693 is an injection check valve assembly with a PVC housing, CSPE/Hypalon valve seat and ceramic check ball. It uses a 3/8-inch OD tubing connection and a 1/2-inch male NPT fitting for the chemical injection point.
Injection Valve for Chemical Feed Systems
The valve is installed where the metering pump discharge line connects to the process system. Its check-valve mechanism helps prevent process liquid from flowing backward into the chemical feed line.
Technical Specifications
- Manufacturer: Pulsafeeder
- Part Number: 41693
- Product Type: Injection Check Valve Assembly
- Housing: PVC
- Seat Material: CSPE / Hypalon
- Check Ball: Ceramic
- Tubing Connection: 3/8-Inch OD
- Injection Connection: 1/2-Inch Male NPT
- Listed PULSAtron Wet Ends: VHC1, VHCD, VHC9, VHCH, WHC1, WHCH
- Listed CHEM-TECH Wet Ends: AAAC, BAAC, AAAS, BAAS, BHAC
CSPE Seat Versus PTFE Seat
The CSPE/Hypalon seat is a key distinction between 41693 and J41996. Although both use PVC housings, ceramic check balls and similar connections, J41996 uses PTFE sealing. The original pump configuration should determine the appropriate replacement.
Backflow Protection at the Injection Point
The integrated check mechanism helps resist reverse movement of process liquid toward the chemical supply system. The valve does not replace the need for other pressure-control or anti-siphon equipment where required by the installation.
Material Compatibility
Confirm the compatibility of PVC, CSPE and ceramic with the chemical being injected, including its concentration and operating temperature. Material selection should follow the manufacturer chemical-resistance recommendations.
Inspection and Maintenance
Inspect the injection connection for leakage, deposits and damaged threads. Check the valve for restrictions that may interfere with chemical injection. Depressurize the system before servicing.
Ordering Information
Specify Pulsafeeder 41693 for a compatible PVC/CSPE/ceramic injection check valve with 3/8-inch OD tubing and 1/2-inch male NPT connections.
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