APV, An SPX Brand Datasheets for Check Valves
Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves.
Check Valves: Learn more
| Product Name | Notes |
|---|---|
| Standard version The VPN valve is a 3A certified non-return valve which is used when backflow of the product in pipelines must be avoided. The valve which only consists of... | |
| The valve opens as soon as the pressure under the valve seat exceeds the counter pressure. When the pressure is balanced, the valve closes by spring action, which means that... |