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Valve Modifications and Repair

Universe Machine specializes in the service, modification, and repair of valves for many industries. We have extensive experience with a wide variety of valves ranging from 1/2” to 72” in diameter.

At Universe Machine valve modifications are done to the latest industry standards.

We are an authorized repair and modification shop for many valve manufacturers which include Dezurik, Durabla, Kitz, Marval, Neway, Newco, TY, Velan, and many more.

Contact our Valve Division to inquire about specific valve manufacturers. See a list of our services below.

Trumbull Distributor

Universe Machine is proud to announce that we are now a distributor for Trumbull Manufacturing valve accessories including chain wheels. Click on their logo to view more product information.

Trumbull Manufacturing
Pressure Seal Gate Valve Comes With Universe Machine Installed Bypass / Equalizer
Universe Machine Fabricated Cryogenic Extension
Pressure Seal Gate Valve Comes With Universe Machine Installed Flanges
Bolted Bonnet Gate Valve with Universe Machine Fabricated Hand Wheel Extension

Trim Changes

  • Stellite, Monel, Stainless Steel, and more

End Connections

  • Flanged to Buttweld
  • Buttweld to Flanged [Canada-Wide CRN#]
  • National Pipe Thread (NPT) to Buttweld
  • Socket Bore to Buttweld
  • Buttweld schedule changes

Flange Machining

  • Raised Face (RF) to Ring-Type Joint (RTJ) Conversion
  • Ring-Type Joint (RTJ) to Raised Face (RF) Conversion
  • Raised Face (RF) to Flat Face (FF) Conversion

Valve Extensions

  • Single stem extension
  • Double shell for gear operators
  • Fully enclosed for buried service
  • Cryogenic extension for low temperature service

Auxiliary Piping

  • Bypasses, Equalizers, Drains [Canada-Wide CRN#]
VALVE MOD REP Image FINAL Jan 30 2015

Cleaning and Testing

  • Oxygen and Hydrogen Peroxide service

Additional Services

  • Bolted to Welded Bonnet Modifications
  • Mounting Gear Operators

Valve Refurbishing

  • Valve refurbishing back to OEM specifications
  • Includes weld overlay of washed out or corroded bodies
  • Includes manufacturing of replacement obsolete components


  • As per API-598, API-6D, ASME B16.34, CSA Z245.15, etc.

Valve Accessories

  • Flanged pipe spools [Alberta CRN#]
  • Bleed/Flushing rings or spacer rings c/w auxiliary piping [Alberta CRN#]