Check-All UN Non Return Valves

The Universal Low (to 3,000 psig) and High (to 10,000 psig) pressure check valves have a single piece body construction machined from bar stock.  These economical valves are designed for maximum flow with minimum pressure drop.

UN-3

The Universal Low Pressure check valve is a one piece body machined from bar stock and is designed for minimum pressure drop.  The valve is light, compact, and provides maintenance free dependable service.  For applications above 3000 PSIG, view our UN-10 series.
Available Materials:
316 Stainless Steel (SS), Alloy 20 (A20), Brass (BR), Carbon Steel (CS), HASTELLOY® B (HB), HASTELLOY® C (HC), & MONEL® (MO)

UN-10
The Universal High Pressure check valve is a one piece body machined from bar stock with female pipe threads.  The valve is designed and manufactured for high pressure applications.  For applications below 3000 PSIG, view our UN-3 series.
Available Materials:
316 Stainless Steel (SS), Alloy 20 (A20), Brass (BR), Carbon Steel (CS), HASTELLOY® B (HB), HASTELLOY® C (HC), & MONEL® (MO)