Welcome to Ontario Industrial Supply Inc.

    ONTARIO INDUSTRIAL SUPPLY INC.
    Welcome to Ontario Industrial Supply Inc.
    Your Source for NPV Stainless Steel Knife Gate Valves
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          OIS1100
          NPV SERIES 100 Unidirectional Stainless Steel Knife Gate Valve 2" - 48" PART # OIS1100
          OIS2150 Valve
          NPV SERIES 250 Bidirectional Perimeter Seated Knife Gate Valve 2" - 24" PART # OIS2150
          OIS3100
          NPV SERIES 300 Scavenger Valve 3" - 30" PART # OIS3100
          OIS4100
          NPV SERIES 400 O-Port Thru Gate Valve 3" - 30" PART # OIS4100
          OIS7100
          NPV SERIES 700 3" Transmitter Isolation Valve PART # OIS7100

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          OIS1100
          NPV SERIES 100 Unidirectional Stainless Steel Knife Gate Valve 2" - 48" PART # OIS1100
          OIS2150 Valve
          NPV SERIES 250 Bidirectional Perimeter Seated Knife Gate Valve 2" - 24" PART # OIS2150
          OIS3100
          NPV SERIES 300 Scavenger Valve 3" - 30" PART # OIS3100
          OIS4100
          NPV SERIES 400 O-Port Thru Gate Valve 3" - 30" PART # OIS4100
          OIS7100
          NPV SERIES 700 3" Transmitter Isolation Valve PART # OIS7100
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          NPV STAINLESS STEEL KNIFE GATE VALVES


          • Proudly made in Canada

          • Locally sourced materials

          • Stainless Steel Construction

          • Customization of Knife Gate Valves available

          • In-House Design and Manufacturing




          About us

          Ontario Industrial Supply Inc. is a Canadian owned business for many industrial process piping items.

          Centrally located in Ontario, we offer convenient single sourcing capabilities to save you both time and money on your piping products.

          We supply Knife Gate Valves to many industries including pulp and paper, mining, power, plastics, cement, food processing as well as many other industries.


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