Topaz, Inc. - Houston, TX
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
Distributor of flange weld testing plugs factory tested to 3,000 PSIG, depending on size. Special sizes & higher pressures supplied per customer requirements. Plugs held in place by hardened steel grips against the inside wall of the tested vessel when the test plug nut is tightened. Simultaneously, a neoprene seal compresses to make a tight seal. Pressure test plugs offered for pipe, tube & flanges in all common schedules. Plugs available with provision for filling & purging through plug stem for hydrostatic test applications.
www.topazinc.com/products/high-pressure-tes...

USA Industries, Inc. - South Houston, TX
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer of pipe testing plugs, flange weld test plugs and other isolation plugs. Line sizes from 3/4 in. to 24 in. stocked. Flange ratings from 150# to 2500#. Varieties include raised-face & ring-type joint flanges. Color coded for line schedules. Seal & compression ring sets easily changed for different pipe schedule. Testing pressures meet ANSI B16.5 requirements. Available for both rental & sale. Industries served include oil & gas, energy, petrochemical, heavy industrial & commercial.
www.usaindustries.com/Flange_Weld_Test_Plug...

Flange Weld Testing Plugs Products
	Flange Weld Test Plug

Southern Stud Weld - Houston, TX
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer & distributor of weld testing plug flanges used for ultrasonic inspection. Plug flanges can be used for both extreme heat & cryogenic applications. Plug flanges are available in 7 temperature ranges & 14 styles. Industries served include oil, gas, petrochemical, piping, & pressure vessel.
www.studweld.com/plugflng.html