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ASSE Standard #1047-2011 Performance Requirements for Reduced Pressure Detector Fire Protection Backflow Prevention Assemblies, 2011
- Section I
- 1.0 General
- 1.1 Application
- 1.2 Scope
- Table 1
- 1.3 Limitations on Design
- 1.4 Reference Standards
- Section II
- 2.0 Test Specimens
- 2.1 Samples Submitted for Test
- 2.2 Samples Tested
- 2.3 Drawings
- 2.4 Rejection
- 2.5 Manifold Assembly
- Section III
- 3.0 Performance Requirements and Compliance Testing
- 3.1 Independence of Components
- 3.2 Hydrostatic Test of Complete Assembly
- 3.3 Seat Leakage Test for Shut-off Valves
- 3.4 Hydrostatic Backpressure Test of Bypass Check (for RPDA-II Assemblies
- 3.5 Hydrostatic Backpressure Test of Checks
- 3.6 Allowable Pressure Loss at Rated Flow
- Figure 1
- Figure 1A
- 3.7 Bypass Flow Detection
- 3.8 Relief Valve Opening Test
- 3.9 Sensitivity of Differential Pressure Relief Valve Test
- 3.10 Drip Tightness of First Check
- 3.11 Drip Tightness of Second Check
- 3.12 Drip Tightness of Bypass Check (for RPDA-II Assemblies
- 3.13 Relief Valve Discharge Test with Atmospheric Supply Pressure
- 3.14 Relief Valve Discharge with Positive Supply Pressure
- Table 2
- 3.15 Backpressure/Backsiphonage Test
- 3.16 Relief Valve vs. Supply Pressure Fluctuation Test
- 3.17 Air Gap Device Backsiphonage Test
- 3.18 Deterioration at Manufacturer’s Extremes of Temperature and Pressure Ranges
- Table 3
- 3.19 Cycle Test
- 3.20 Body Strength Test
- 3.21 Seat Adhesion Test
- 3.22 High Velocity Test
- 3.23 Field Evaluation Test for RPDA & RPDA-II Devices When Required by the Authority Having Jurisdiction
- Section IV
- 4.0 Detailed Requirements
- 4.1 Materials
- 4.2 Marking Instructions
- 4.3 Installation and Maintenance Instructions
- . viii Reduced Pressure Detector Fire Protection Backflow Prevention Assemblies ASSE 1047-2011 Section V
- 5.0 Definitions
- Appendix A - Installation Guidelines
- A1.0 Recommended Installation Guidelines
- A1.1 General
- A1.2 Orientation
- A1.3 Side Clearances [Go to Page]
