• AS 5081-2008

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    Hydraulically operated automatic control valves for waterworks purposes

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  06-30-2008

    Publisher:  Standards Australia

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    Abstract - (Show below) - (Hide below)

    Provides material requirements and performance tests for metallic-bodied hydraulically operated automatic control valves for waterworks purposes, together with default compliance requirements for use by manufacturers and certification bodies.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for metallic-bodied PN 16, PN 21 and PN 35 hydraulically operated, diaphragm or piston-actuated, globe or piston-style, automatic control valves for waterworks purposes and valve sizes DN 40 to DN 900 (inclusive), suitable for, but not limited to, drinking water and recycled water, with a maximum operating temperature of 40°C.This Standard applies to automatic control valves that operate by pressure in water mains, and controlled by hydraulic or solenoid pilot valves. Where control valves incorporate solenoid pilots, limit switches or position transmitters, low-voltage electrical power supply is required for these components. This Standard covers the following types of automatic control valves:(a) Fixed-outlet pressure-reducing valve.(b) Variable-outlet pressure-reducing valve.(c) Pressure-sustaining/relief valve.(d) Surge-anticipating valve.(e) Altitude valve.(f) Float valve.(g) Rate-of-flow control valve.(h) Non-return valve.)i) Solenoid-control valve.The valves are designed for installation in a horizontal or vertical position depending on the manufacturer’s requirements, above-ground or below-ground in a drained chamber.NOTE: Purchasing guidelines are given in Appendix B.

    General Product Information - (Show below) - (Hide below)

    Committee WS-022
    Document Type Standard
    Product Note Reconfirmed 03/06/2016.This standard has been reconfirmed in Australia in 2016 and remains current in New Zealand. Reconfirmation Notice 03/06/2016
    Publisher Standards Australia
    Status Current
    Supersedes

    History - (Show below) - (Hide below)

    First published as AS 5081-2008.Reconfirmed 2016. First published as AS 5081-2008.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS/NZS 4158:2003 Thermal-bonded polymeric coatings on valves and fittings for water industry purposes
    AS/NZS 1567:1997 Copper and copper alloys - Wrought rods, bars and sections (Reconfirmed 2021)
    AS 1111.1-2000 ISO metric hexagon bolts and screws - Product grade C - Bolts
    AS 2317-1998 Collared eyebolts
    AS 2345-2006 Dezincification resistance of copper alloys
    AS 3894.13-2002 Site testing of protective coatings Inspection report - Daily (Reconfirmed 2019)
    AS 3894.12-2002 Site testing of protective coatings Inspection report - Coating (Reconfirmed 2019)
    AS 1831-2007 Ductile cast iron
    AS 1199.1-2003 Sampling procedures for inspection by attributes Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
    AS 1627.0-1997 Metal finishing - Preparation and pretreatment of surfaces Method selection guide
    AS/NZS 4020:2005 Testing of products for use in contact with drinking water
    AS 1275-1985 Metric screw threads for fasteners
    AS 4087-2004 Metallic flanges for waterworks purposes
    AS 1237.2-2002 Plain washers for metric bolts, screws and nuts for general purposes - Tolerances
    AS 1646-2007 Elastomeric seals for waterworks purposes (Reconfirmed 2018)
    AS 3894.1-2002 Site testing of protective coatings Non-conductive coatings - Continuity testing - High voltage (brush) method (Reconfirmed 2013)
    AS 1432-2004 Copper tubes for plumbing, gasfitting and drainage applications
    AS 1112.3-2000 ISO metric hexagon nuts - Product grade C
    AS 1627.4-2005 Metal finishing - Preparation and pretreatment of surfaces Abrasive blast cleaning of steel
    AS 2129-2000 Flanges for pipes, valves and fittings (Reconfirmed 2016)
    AS 3894.11-2002 Site testing of protective coatings Equipment report (Reconfirmed 2019)
    AS 2738-2000 Copper and copper alloys - Compositions and designations of refinery products, wrought products, ingots and castings (Reconfirmed 2018)
    AS 1830-2007 Grey cast iron (Reconfirmed 2017)
    AS 1565-1996 Copper and copper alloys - Ingots and castings (Reconfirmed 2020)
    AS 3894.14-2002 Site testing of protective coatings Inspection report - Daily painting (Reconfirmed 2019)
    AS 3894.10-2002 Site testing of protective coatings Inspection report - Daily surface and ambient conditions (Reconfirmed 2019)
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