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ASSE 1011 2017

ASSE 1011 2017

$24.38

ASSE Standard #1011-2017 Performance Requirements for Hose Connection Vacuum Breakers

Published By Publication Date Number of Pages
ASSE 2017 24
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Hose connection vacuum breakers provide protection of the potable water supply against pollutants or contaminants that can enter the system through backpressure equal to the force created by an elevated hose from 6.0 inches (15.2 cm) to 10.0 feet (3.0 meters) in height and backsiphonage through the hose threaded outlets. This standard applies only to those devices which are designed to be installed on the discharge side of the hose bibb, hydrant, or faucet which is fitted with hose threads. The design embraces a check valve member force loaded, or biased, to a closed position, and an atmospheric vent valve, force loaded, or biased, to an open position when the device is not under pressure. This device shall not be subjected to more than twelve (12) hours of continuous water pressure. This device shall only be used on systems where the only source of low head back pressure comes from an elevated hose equal to or less than 10.0 feet (3.0 meters) in height.

PDF Catalog

PDF Pages PDF Title
9 Section I 1
1.0 General
1.1 Application
1.2 Scope
10 1.3 Reference Standards
11 Section II
2.0 Test Specimens
2.1 Samples Submitted for Test
2.2 Samples Tested
2.3 Drawings
2.4 Rejection
12 Section III
3.0 Performance Requirements and Compliance Testing
3.1 Hydrostatic Pressure Tests
Figure 1
3.2 Water Flow Capacity and Pressure Loss
13 Figure 2
T
able 1
3.3 Deterioration at Maximum Rated Temperature and Pressure
3.4 Life Cycle Test
14 3.5 Pull Test
Figure 3
3.6 Low Head Back Pressure
15 Figure 4
3.7 Atmospheric Vent Opening
16 Figure 5
3.8 Leakage from Vent Ports
3.9 Backsiphonage
17 Figure 6
3.10 Non-removable Feature
18 .
Section IV
4.0 Detailed Requirements
4.1 Materials
4.2 Markings
4.3 Installation Instructions
19 Section V
5.0 Definitions
20 Appendix A
Fouling Methods for Selected Check Valve Designs

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ASSE 1011 2017
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