- Check valves permit flow in one direction only and close automatically if flow reverses.
- Entirely automatic in action, depending upon pressure and velocity of flow within the line to perform their functions of opening and closing
- The Crane D138 Bronze check valve is of the swing variety.
- This valve carries the British Standards Institution kitemark
3/8" to 3"
PN25
Taper threaded to BS EN 10226-2 (ISO 7-1) formerly BS 21
Bronze