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Item # 420P, Check Valves for Armored Liquid Level Gauges


Our valves are designed for use with reflex or transparent style armored liquid level gauges. Valves are available in steel or type 316 stainless steel. All valves are provided with stainless steel trim. The valves are supplied with a floating shank union vessel connection. This feature allows up to 3/8" variation in center-to-center vessel connections.




Standard Features  · Additional Description  · Note

Standard Features

Pattern
Offset

Bonnet Type
Union

Union Gauge Connection
1/2 in. NPTF

Union Vessel Connection
3/4 in. NPTF

Vent/Drain Connection
1/2 in. NPTF

Ball Check Shutoff
Yes

Cold Working Pressure
4000 psi


Additional Description
Valves are available in both straight and offset pattern designs. These two styles differ in the position of the gauge connection center line in relation to the vessel connection center line. On a straight pattern valve, both connections are on the same center line. In an offset pattern valve, the center lines do not coincide but are offset from each other. This permits the inside of the gauge to be cleaned easily with a minimum of disassembly.

All valves are equipped with stainless steel ball checks. Should the gauge glass break, the balls seat to prevent loss of tank contents.


Note
For Gauge Connection and Vessel Connection:
Valves are available with many optional sizes and/or types of gauge and vessel connections. Consult factory for any special design requirements.


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