Call Toll Free: 1-800-221-3332

International: 951-926-4849

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Valve Replacement Services

Broken Valve Before and Replaced New Valve After

International Flow received a call from Rancho Water Company, in Temecula, CA about their pipeline that had no pipe to perform a Linestop, except a 24” 90 degree elbow. It was a fabricated sectional elbow as well!

The 24” Plug valve was seized in the closed position, with no way to isolate, and the only option was to bypass the operational sewage plant.

Seeing the importance of this valve replacement, International Flow laid out the easiest way to isolate the 24” pressurized sewage elbow without building specialized machinery. Another concern of IFT was to check the inside of the pipe for the possibility of it being filled with solids, which would make it hard to install a linestop mechanism. The condition of the pipe was checked by sending a measuring probe through a test hot tap and the line seemed to be full of sewage, but only 20% solids were resting on the bottom of the pipe. So the operation was full steam ahead!

Being that the 24” elbow was .375 thick carbon steel, fabricated from pipe sections, the Linestop fitting was installed by welding in a position not normal for hot tapping. Once the 16” hot tap was performed it allowed access for IFT’s folding head to open up, to seal the 24” sewage main, bubble tight, allowing for the valve to be replaced in a clean manner.

After the project was complete, the operation looked simple to most on lookers. Few understand all the preparations and testing that goes into projects like these prior to being “on stage”.

Much thanks to the International Flow Engineering Division for making these preparations for our field crews, who onsite, looked like we perform elbow Linestops everyday.


  • Valve replace before after picture
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Eccentric Plug Valves (PEC)

Design features in this valve installation:

The features of the DeZURIK Eccentric Plug Valves' design include eccentric action and resilient plug facings, which assure lasting dead-tight shutoff. The clean interior design and straight-through flow, of the valve, allows high maximum flow capacity with minimum pressure drop. Heavy-duty stainless steel bearings, choice of resilient plug facings, welded-in, corrosion-resistant nickel seat and a variety of end styles are available. Eccentric Plug Valves are capable of handling clean and dirty liquids, gases, sludges, and slurries.

Eccentric Plug Valves (PEC)

Size Range: .5 - 72" (15 - 1800mm)

Temperature Range: to 300°F (150°C)

Pressure Rating: 125 - 450 psi (860 - 3100 kPa) CWP Shutoff pressure to 275 psi (1980 kPa)

Shutoff Class: Resilient plug facing: drip tight to rating up to 275 psi (1890 kPa)

Body Material: Cast iron, bronze, aluminum, carbon steel, stainless steel, Alloy 20, monel and ductile iron

Before and After 90 Degree 24" Linestop on Sewage 100% shutdown on a 24inch sewage line for valve replacement Top View of the 90 degree linestop
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IFT Cut Sheet PDFs
Wall Tank Vessel Tapping Cut Sheet FITTING.pdf
 

Contact Details

Corporate: 1-800-221-3332
Murrieta, CA: 951-926-4849
Mustang, OK: 281-546-7681
Nashville, TN: 615-507-4884
Houston, TX: 832-554-7811
International #: 951-926-4849
Fax #: 951-926-2334
Website: www.hottap.com

 

About IFT

Having completed many projects around the USA on water, natural gas, sewage, petroleum and chemical products. Have a look at the new Featured Jobs for more details and specifics on our work. Thank you for your interest and we look forward to working with you in the near future.