| | .jpg) | The Union Insert Valve designed to be inserted into most standard ground joint unions and may be installed used as threaded pipe systems. 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.
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