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ASSE 1020 2020

ASSE 1020 2020

$24.38

ASSE Standard #1020-2020 Performance Requirements for Performance Requirements for Pressure Vacuum Breaker Assembly

Published By Publication Date Number of Pages
ASSE 2020 24
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ASSE 1020 devices are installed in water supply lines to prevent the entrance of non-potable material into the potable water supply by backsiphonage (only) and are intended for use in both high and low hazard applications. This standard was first published in 1974 to extend ASSE’s portfolio of standards for backpressure and backsiphonage backflow prevention devices for pipe applied vacuum breakers.

PDF Catalog

PDF Pages PDF Title
9 Section I
1.0 General
1.1 Application
1.2 Scope
10 Figure 1
1.3 Mechanical Function
11 T
able 1
1.4 Reference Documents
12 Section II
2.0 Test Specimens and Test Laboratory
13 .
Section III
3.0 Performance Requirements and Compliance Testing
3.1 Hydrostatic Test of the Complete Device
3.2 Hydrostatic Test of the Check Valve
14 Figure 1
Figure 3
3.3 Pressure Drop at Rated Flow
Figure 4
15 T
able 2
3.4 Atmospheric Vent
3.5 Drip Tightness of Check Valve Test
16 Figure 5
3.6 Air Passage Comparative Areas
Figure 6
17 3.7 Backsiphonage Test
T
able 3
18 Figure 7
Figure 8
Figure 9
Figure 10
19 3.8 Shock (Water Hammer) Test of the Device
3.9 Deterioration at Extremes of Manufacturer’s Temperature
20 3.10 Life Cycle Test
21 Section IV
4.0 Detailed Requirements
4.1 Materials
22 4.2 Identification and Markings
4.3 Installation and Maintenance Instructions
23 Section V
5.0 Definitions

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ASSE 1020 2020
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