Poppet Check Valve
The poppet style check valve is inserted in the bottom fitting of Drum Alarms and will prevent backflow. This eliminates priming for pumps that aren't self-priming. Can also be used in-line in 1/2" piping.
Advantages:
- No metal parts: plastic body and choice of elastomer.
- Compact: can be inserted in standard 1/2" pipe fittings.
Note: Hypalon has been discontinued by DuPont so these are no longer available. Viton is recommended as a substitute See details here.
Chemical resistance chart.
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