Relief valve with integral drain line coupling

Details Relief valve with integral drain line coupling Relief valve with integral drain line coupling

1995-03-03

1996-05-14

Lee, Kevin

Valves and valve actuation

With correlated flow path

Pipe coupling or union

285354, F16K 1736

Patent

active

055160778

ABSTRACT:
An improved relief valve is disclosed for use with a pressurized system. The improved relief valve includes an integral drain line coupling that prevents the outlet of the relief valve from being plugged or restricted in any manner such that discharge from the pressurized system flows uninhibited to an appropriate drainage point. The coupling includes a nipple which is rigidly secured to the outlet of the relief valve and which is coupled by a nut member to a drain line. In addition, the nipple is adapted for receiving a wrench for countervailing a torque transferred to the nut member.

REFERENCES:
patent: 4059290 (1977-11-01), Ichimi
patent: 4078722 (1978-03-01), Luckenbill
patent: 4119295 (1978-10-01), Blocker
patent: 4134606 (1979-01-01), Menti, Jr.
patent: 4898201 (1990-02-01), Conley et al.

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