Soft-start/dump valves are three-way, two-position solenoid valves that gradually increase air pressure downstream when energized (adjustable time). They maintain upstream pressure and can relieve downstream pressure when de-energized (optional dump function). NITRA soft-start valves can be used for shop/plant air supply or with air prep for individual machines.
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Would you buy this item again? Yes
I can concur with the previous review on quality. I have had one of these fail in the field after only a few months of use. Replaced and has not been an issue since so I am hoping it was an isolated event. Other than that they are my go to for safety use in pneumatic systems. Quickly bleeds air on an emergency stop or loss of power and the soft start prevents actuators from hard crashes and or moving at dangerous speeds on startup. To be fair, I have at least 5 of these in various machines and I have only had a problem with one unit.