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
DELTA VPN Process Valve 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...
DELTA RUF3 - Process Valve 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...