The NRV Valve is a kind of fitting that permits fluid to flow through it in only one direction. Various types of SS316 Non Return Valve is used in a wide variety of applications. SS 304 Non Return Valve is frequently a part of common household items. Although the Non Return Valve Material is available in a wide range of sizes, metals and costs, SS Non Return Valve is generally very small, simple, or inexpensive. The 1/2 Stainless Steel Non Return Valve work automatically.

In fact, these valves are not worked upon by a person or any external control. Hence, most NRV Valve Types do not have any valve handle or valve stem. The bodies of most of these valves constitute of plastic or metal for e.g. Stainless Steel Non Return Valve.