Pulsafeeder J41908 PVC/PTFE/Ceramic Injection Check Valve - 1/4-Inch NPT

Pulsafeeder J41908 PVC/PTFE/Ceramic Injection Check Valve

The Pulsafeeder J41908 is an injection check valve assembly listed in the official PULSAtron pump parts identification schedule. It features a PVC housing, PTFE/TFE sealing and ceramic check ball with a 1/4-inch NPT connection.

Manufacturer Specifications

• Manufacturer: Pulsafeeder
• Part Number: J41908
• Product Type: Injection Check Valve
• Body Material: PVC
• Seat Material: PTFE / TFE
• Check Ball: Ceramic
• Connection: 1/4-Inch NPT
• Application: Compatible PULSAtron Chemical Metering Pumps

Injection Point Check-Valve Function

The valve provides a one-way check mechanism at the point where the metering pump discharge line connects to the process system. It helps resist reverse movement of process liquid toward the chemical feed tubing.

PTFE Seat and Ceramic Ball

The PTFE sealing material and ceramic ball are important identifiers for this replacement valve. These components distinguish J41908 from PVC injection valves using Viton or CSPE/Hypalon seating.

1/4-Inch NPT Connection

The manufacturer parts schedule identifies a 1/4-inch NPT connection. Verify the mating fitting and original pump liquid-end arrangement before ordering. Do not substitute a tubing-connected valve based solely on a similar appearance.

Chemical Compatibility

Check the suitability of PVC, PTFE and ceramic for the process chemical, concentration and operating temperature. The complete wetted assembly must match the original application requirements.

Maintenance and Inspection

Inspect the injection connection for deposits, leakage, damaged threads and contamination around the check ball. Relieve pressure before removal or replacement.

Ordering Information

Choose Pulsafeeder J41908 for a compatible PULSAtron injection check valve application requiring PVC/PTFE/ceramic construction and a 1/4-inch NPT connection.