Rating
Identifier	RG1005-3172H-1
Title	Valve Testing Department, Hughes Tool Company
Description	Section of Valve Testing Department, Hughes Tool Company, Houston, Texas
Caption	Section of Hughes Valve Testing Department. All valves, tubing heads, Christmas trees, etc. are tested at double the rated working pressure, and during this period shock tests are also made. Subsequently the gate is closed and tested at various pressures up to full test pressure to check seating of the wedge, This test insures positive closure under varying working conditions. Approximately 24 hours are required to test each valve, etc.
Source	8 x 10 ; black and white photographs
Type	Image
Language	English
Subject Keywords	Room, testing ; Industry ; Valves
Subject Terms	Hughes Tool Company ; Testing-machines ; Testing laboratories ; Industries--Texas--Houston
Coverage Spatial	Houston (Tex.)
Publisher	Electronic version published by Houston Public Library, Houston, Texas.
Collection	RG1005 Hughes Tool Company Collection
HPL Location	Hughes Tool Company Collection, Houston Metropolitan Research Center, Houston Public Library
Rights	Please contact the Houston Metropolitan Research Center, Houston, Texas.
Date Digital	2012
Format	jpg
Digitization Specifications	600dpi ; tiff ; Epson Perfection V750 Pro
Filename	RG1005-3172H-1.jpg

Find results with:

Valve Testing Department, Hughes Tool Company