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Class Information
Number: 137/326
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Foot valve extraction from top of enclosure
Description: Devices comprising a container having an access opening at the top and a valve located in a part of the container remote from the access opening usually at the bottom, with means for disassembling and removing the valve and/or its seat through the access opening.

Patents under this class:

Patent Number Title Of Patent Date Issued
4512360 Fabricated ball valve Apr. 23, 1985
4333552 Hydraulic pressure relief valve Jun. 8, 1982

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