MidWest Instruments


TEST YOUR SKILLS | NOVEMBER 2018

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 16 Nov 2018   Posted by BP Journal


In this issue’s installment, we will look at Pressure Vacuum Breaker Assemblies. How do they work? What protection do they provide? What are the installation issues? Let’s dig a little deeper into this part of the cross-connection puzzle. It’s time to pick up your pencil and test your knowledge.

When you’re finished check your score. If you have any comments, questions or suggestions please contact Backflow Prevention Journal’s Technical Editor; Sean Cleary at sean.cleary@iapmo.org

November 2018

Pressure Vacuum Breaker Assemblies (ASSE 1020) provide protection against:

Pressure Vacuum Breaker Assemblies must be installed:

The number one test cock on a Pressure Vacuum Breaker Assemblies is located:

Shut off valves on Pressure Vacuum Breaker Assemblies must be:

According to the ASSE 1020 Product Standard the maximum pressure loss across a Pressure Vacuum Breaker Assembly during rated flow is:

Pressure Vacuum Breaker Assemblies must be:

According to the ASSE 1020 Product Standard Pressure Vacuum Breaker Assemblies are available in sizes ranging from:

When using the USC 10th Edition Field Test Procedure to test a Pressure Vacuum Breaker Assembly the first component tested is the:

When using the ASSE Field Test Procedure to test a Pressure Vacuum Breaker Assembly the first component tested is the:

The 2018 Uniform Plumbing Code requires that when installed indoor Pressure Vacuum Breaker Assemblies be installed with:

The critical level of a Pressure Vacuum Breaker Assembly is measure from the stamped critical level or the:

Pressure Vacuum Breaker Assembly are used as the cross-connection protection on irrigation systems containing chemical injection pumps since irrigation systems are normally a low hazard situation.

The air-inlet of a Pressure Vacuum Breaker Assembly must open when the pressure in the valve body reaches:

Pressure Vacuum Breaker Assemblies (ASSE 1020), Atmospheric Vacuum Breakers (ASSE 1001), and Spill Resistant Vacuum Breaker Assemblies (ASSE 1056) are all approved for both high and low hazard backsiphonage situations.

When using the One Hose Field Test Procedure to test the check valve on a Pressure Vacuum Breaker Assembly the test result is recorded when:

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