The Union Insert Valve is the threaded pipe counterpart of the Flange Insert Valve. Designed to be inserted into most standard ground joint unions, it provides the simplest and most economical way to install a check valve in a threaded pipe system.
A check valve may be installed anywhere in the system where there is a union. The valve works equally well in either a horizontal or vertical position with proper spring selection.
Each Union Insert Valve is furnished with a metal tag, which is quickly attached to the union. The tag is attached when the valve is installed and provides a permanent record that the union contains a check valve.
Bore of union must be equal to I.D. of schedule 40 pipe. 45 degree ground joint unions only.
PED Compliance Statement: Due to the unique design of the Union Insert Valve, this series is not considered a pressure vessel but rather a gasket. According to PED Guideline 1/8, gaskets are not governed by the Pressure Equipment Directive. As a result, the UIV series is available for sale in the European Community and no CE Mark is required.
Available Materials:
316 Stainless Steel (SS)
HASTELLOY® B (HB)
Alloy 20 (A2)
HASTELLOY®C (HC)
Brass (BR)
MONEL® (MO)
Carbon Steel (CS)
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