In-line valve sampling system

Details In-line valve sampling system In-line valve sampling system

2008-07-08

2011-12-13

Williams, Hezron E (Department: 2856)

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

Reexamination Certificate

active

08074528

ABSTRACT:
An in-line valve sampling system connected to a pipe conduit extracts a sample of process media in a receiving container or receptacle for testing. The valve sampling system provides a resilient sealing mechanism for corrosive process media at elevated and fluctuating temperature ranges by providing a packing cartridge having a thin film of PTFE material biased by at least one O-ring to provide a seal between a valve spindle and a raised portion of the packing cartridge.

REFERENCES:
patent: 2736201 (1956-02-01), Ohlsen et al.
patent: 4344453 (1982-08-01), Tuchenhagen et al.
patent: 4458543 (1984-07-01), Mieth
patent: 4516752 (1985-05-01), Babbitt et al.
patent: 4580452 (1986-04-01), Masson
patent: 5263682 (1993-11-01), Covert et al.
patent: 5357995 (1994-10-01), King et al.
patent: 5370146 (1994-12-01), King et al.

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