Plug Valve Insulation Covers

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Removable Insulation Covers for Plug Valves

Worried about heat loss from the plug valves in your facility? Thermaxx Jackets has you covered.

125LB. Plug Valve, Uninsulated

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Detail of 125LB. Plug Valve with Insulation Jacket

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About Plug Valves
Plug valves (sometime called stop-cock valves or cock valves) are a type of valve that features a cylindrical or tapered “plug” with one or more openings. The plug can be rotated so that the opening(s) either allow or block flow. Plug valves are considered to be quarter-turn valves because the flow is turned on or shut off with a 90° rotation (except for some plug valves with more than two ports). The two main types of plug valves are lubricated and non-lubricated. A variety of actuators may be used from manual handles and hand wheels to pneumatic actuators.  Plug valves are typically not recommended for throttling. Plug valves are high capacity valves often recommended for use when quick and frequent shut-off and on-off operation is needed.

Plug valves have many different applications. Household gas lines often use plug valves. Plug valves are often used for high-temperature applications and for regulating flow of (often potentially dangerous) chemicals. Plug valves are also sometimes used in steam systems. Plug valves are commonly found in chemical-processing plants, oil and fuel pipelines and power plants.

Insulating Plug Valves
Insulation is often recommended for metal plug valves in high temperature settings. Since plug valves often undergo severe wear and tear in corrosive environments, inspection and maintenance is typically necessary. It is also not uncommon for plug valves to become hard to operate or stuck and lubrication or troubleshooting may be necessary. Because of the need for access and plug valves’ sometimes difficult shape, stay-in-place insulation is frequently impractical.

Thermaxx Jackets Removable Plug Valve Insulation Covers
Thermaxx Jackets is experienced in producing quality insulation jackets specifically for plug valves. Our plug valve insulation covers share the following traits:

  • Insulation thickness: Our insulation jackets can be purchased using 2” -12” standard sizing and 1”. 1.5”, or 2” thickness. If you have a preferable exterior jacket temperature, we can easily design an insulation thickness that brings the exterior temperature of the jacket to your requirement.
  • Convenient: Our plug valve insulation will not inhibit the use of handles, hand wheels, or actuators. Our insulation jackets are designed with a simple system of seal flaps and velcro and D-ring closures so that they fit tight but can typically be removed and replaced in under five minutes by any personnel.
  • Cost effective: We offer plug valve insulation jackets for a variety of temperature needs and a variety of application needs. In addition, we design jackets to exact specifications for custom jobs. Being able to buy exactly the jacket you need means you don’t have to pay for un-needed materials. Using highly efficient Thermaxx Jackets also means you pay less in wasted energy costs.
  • High quality: As with all Thermaxx Jackets, our plug valve insulation covers are backed by an industry-leading 5 year guarantee. We stand behind our plug valve jackets, because they are meticulously designed and crafted to remain effective under harsh conditions.

Got questions? We’re happy to answer any questions you have about our plug valve insulation covers or any of our many other removable insulation solutions for your facility. Fill out the form below or give us a call today at (203) 932-9639!

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