防回流装置检测

ASSE 1015-2009 双止防回流装置组件和双止回防火防回流装置组件的性能要求

Performance Requirements for Double Check Backflow Prevention Assemblies and Double Check Fire Protection Backflow Prevention Assemblies

ANSI/ASSE 1013-2011 减压原理防回流装置和减压原理防火防回流装置的性能要求

The purpose of a Reduced Pressure Principle Backflow Preventer and a Reduced Pressure Principle Fire Protection Backflow Preventer (herein referred

Performance Requirements for Reduced Pressure Principle Backflow Preventers and Reduced Pressure Principle Fire Protection Backflow Preventers

ANSI/ASSE 1035-2002 实验室旋塞防回流装置

Laboratory Faucet Backflow Preventers are designed to protect the potable water supply from pollutants or contaminants entering the system due to back

Laboratory Faucet Backflow Preventer

ANSI/ASSE 1024-2004 双重止回阀型防回流装置

This standard applies to devices classified as dual check backflow preventers. The purpose of this device is to keep polluted water from flowing back

Dual Check Valve Type Backflow Preventers

ASSE 1013-2009 减压主要防回流装置和减压主要防火回流装置的性能要求

Performance Requirements for Reduced Pressure Principle Backflow Preventers and Reduced Pressure Principle Fire Protection Backflow Preventers

AS 2845.2:1996 供水．防回流装置．气隙和断路箱

Specifies requirements for air gaps and break tanks used as backflow prevention devices for the protection of potable water supply

Water supply - Backflow prevention devices - Air gaps and break tanks

ANSI/ASSE 1052-2004 软管连接防回流装置的性能要求

This standard establishes design requirements, basic performance requirements and test procedures for hose connection backflow preventers. This device

Performance Requirements for Hose Connection Backflow Preventers

ANSI/ASSE 1035-2008 实验室旋塞防回流装置的性能要求

Laboratory Faucet Backflow Preventers are designed to protect the potable water supply from pollutants or contaminants which enter the system

Performance Requirements for Laboratory Faucet Backflow Preventers

AS/NZS 2845.1:2010 供水 防回流装置 材料、设计和性能要求

Specifies requirements for the materials, design and performance testing of backflow devices used to prevent contamination of potable water supplies

AS/NZS 2845.1:1998 供水．防回流装置．材料，设计和性能要求

Specifies requirements for the materials, design and performance testing of backflow devices used to prevent contamination of potable water supplies

Water supply - Backflow prevention devices - Materials, design and performance requirements

ANSI/ASSE 1047-2011 减压检测器防火防回流装置用性能要求

The purpose of a Reduced Pressure Detector Fire Protection Backflow Prevention Assembly (herein referred to as the 'assembly') is to keep contaminated

Performance Requirements for Reduced Pressure Detector Fire Protection Backflow Prevention Assemblies

ANSI/ASSE 1012-2009 带中气压通风口的防回流装置的性能要求

Backflow Preventers with Intermediate Atmospheric Vent are installed in the plumbing system to prevent backflow into potable water lines due

Performance Requirements for Backflow Preventer with Intermediate Atmospheric Vent

AS 2845.3:2010/Amdt 1:2010 供水 防回流装置 可测试装置的现场测试和维护

AS 2845.3:2010 供水 防回流装置 可测试装置的现场测试和维护

Specifies requirements for field testing and maintenance of backflow prevention devices specified in AS 2845.1 and for air gaps and break tanks

AS 2845.2:2010 供水 防回流装置 注册的气隙和注册的断水箱

Specifies requirements for registered air gaps including those incorporated in break tanks used as backflow prevention devices for the protection

ASSE 1015-2009 双止防回流装置组件和双止回防火防回流装置组件的性能要求

Performance Requirements for Double Check Backflow Prevention Assemblies and Double Check Fire Protection Backflow Prevention Assemblies

ANSI/ASSE 1013-2011 减压原理防回流装置和减压原理防火防回流装置的性能要求

The purpose of a Reduced Pressure Principle Backflow Preventer and a Reduced Pressure Principle Fire Protection Backflow Preventer (herein referred

Performance Requirements for Reduced Pressure Principle Backflow Preventers and Reduced Pressure Principle Fire Protection Backflow Preventers

ANSI/ASSE 1035-2002 实验室旋塞防回流装置

Laboratory Faucet Backflow Preventers are designed to protect the potable water supply from pollutants or contaminants entering the system due to back

Laboratory Faucet Backflow Preventer

ANSI/ASSE 1024-2004 双重止回阀型防回流装置

This standard applies to devices classified as dual check backflow preventers. The purpose of this device is to keep polluted water from flowing back

Dual Check Valve Type Backflow Preventers

ASSE 1013-2009 减压主要防回流装置和减压主要防火回流装置的性能要求

Performance Requirements for Reduced Pressure Principle Backflow Preventers and Reduced Pressure Principle Fire Protection Backflow Preventers

AS 2845.2:1996 供水．防回流装置．气隙和断路箱

Specifies requirements for air gaps and break tanks used as backflow prevention devices for the protection of potable water supply

Water supply - Backflow prevention devices - Air gaps and break tanks

ANSI/ASSE 1052-2004 软管连接防回流装置的性能要求

This standard establishes design requirements, basic performance requirements and test procedures for hose connection backflow preventers. This device

Performance Requirements for Hose Connection Backflow Preventers

ANSI/ASSE 1035-2008 实验室旋塞防回流装置的性能要求

Laboratory Faucet Backflow Preventers are designed to protect the potable water supply from pollutants or contaminants which enter the system

Performance Requirements for Laboratory Faucet Backflow Preventers

AS/NZS 2845.1:2010 供水 防回流装置 材料、设计和性能要求

Specifies requirements for the materials, design and performance testing of backflow devices used to prevent contamination of potable water supplies

AS/NZS 2845.1:1998 供水．防回流装置．材料，设计和性能要求

Specifies requirements for the materials, design and performance testing of backflow devices used to prevent contamination of potable water supplies

Water supply - Backflow prevention devices - Materials, design and performance requirements

ANSI/ASSE 1047-2011 减压检测器防火防回流装置用性能要求

The purpose of a Reduced Pressure Detector Fire Protection Backflow Prevention Assembly (herein referred to as the 'assembly') is to keep contaminated

Performance Requirements for Reduced Pressure Detector Fire Protection Backflow Prevention Assemblies

ANSI/ASSE 1012-2009 带中气压通风口的防回流装置的性能要求

Backflow Preventers with Intermediate Atmospheric Vent are installed in the plumbing system to prevent backflow into potable water lines due

Performance Requirements for Backflow Preventer with Intermediate Atmospheric Vent

AS 2845.3:2010/Amdt 1:2010 供水 防回流装置 可测试装置的现场测试和维护

AS 2845.3:2010 供水 防回流装置 可测试装置的现场测试和维护

Specifies requirements for field testing and maintenance of backflow prevention devices specified in AS 2845.1 and for air gaps and break tanks

AS 2845.2:2010 供水 防回流装置 注册的气隙和注册的断水箱

Specifies requirements for registered air gaps including those incorporated in break tanks used as backflow prevention devices for the protection