ASSE (Plumbing) 1055-1997 Historical

42166

Performance Requirements for Chemical Dispensing Systems

standard by American Society of Sanitary Engineering , 01/01/1997

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Full Description

Chemical dispensing systems provide a means of mixing potable water with chemicals to provide the user with a chemical solution which is ready for use. The amount of dilution shall be fixed or adjustable. This standard applies to those devices classified as chemical dispensing systems having self- contained means of backflow protection. The devices shall be classified as follows: (a) Type A: These devices have the chemical(s) pressurized above atmospheric pressure; and (b) Type B: These devices do not pressurize the chemical(s) above atmospheric pressure with the only source of back pressure coming form an elevated hose. See more

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Document History

  1. ASSE (Plumbing) 1055-2020


    Performance Requirements for Chemical Dispensing with Integral Backflow Protection

    • Most Recent

  2. ASSE (Plumbing) 1055-2018


    Performance Requirements for Chemical Dispensing Systems with Integral Backflow Protection

    • Historical Version

  3. ASSE (Plumbing) 1055-2016


    Performance Requirements for Chemical Dispensing Systems

    • Historical Version

  4. ASSE (Plumbing) 1055-2009


    Performance Requirements for Chemical Dispensing Systems

    • Historical Version

  5. ASSE (Plumbing) 1055-1997

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    Performance Requirements for Chemical Dispensing Systems

    • Historical Version

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Product Details

Published:

01/01/1997

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