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This standard describes the reduced-pressure principle backflow prevention assembly for potable water applications. The assembly shall be capable of withstanding a working water pressure of at least 150 psi (1,034 kPa) without damage to working parts or impairment of function and for...
This standard describes the double check-valve backflow prevention assembly for potable water applications. The assembly shall be capable of withstanding a working water pressure of at least 150 psi (1,034 kPa) without damage to working parts or impairment of function and for...
Description This standard applies to two types of backflow prevention assemblies, identified as: (a) Double Check Backflow Prevention Assembly (DC); and (b) Double Check Fire Protection Backflow Prevention Assembly (DCF). These assemblies consist of two (2)...
This standard covers the performance requirements and accuracy of a BFTK. This standard is confined to analog dial type and digital instrumentation. Duplex gauges are not a part of this standard. Description BFTKs shall be of a design making them portable. They shall be designed to indicate the...
Scope and Purpose Description These devices provide backflow protection against backsiphonage and backpressure in handheld showers. These are separate devices or are integral with handheld showers, tub fillers, flexible hoses, or components that are attached to a shower system. The device...
A cross-connection is an actual or potential connection between any part of a potable water system and any other environment that contains other substances that would allow such substances to enter the potable water system. Cross-connection control programs are intended to reduce the risk of...
This video illustrates the techniques and equipment for backflow prevention and cross-connecion control. Viewers learn what cross connections are and why they can be dangerous, where cross connections occur in the water system, the conditions that can generate backflow, costs,...
This Standard specifies requirements for field testing and maintenance of the following backflow prevention devices: (a) Registered break tank (RBT). (b) Registered air gap (RAG). (c) Pressure-type vacuum-breaker (PVB). (d) Spill resistant pressure vacuum-breaker (SPVB). (e)...
This Standard specifies requirements for the materials, design, performance and testing of mechanical backflow prevention devices that are used for the protection of water supplies. This Standard covers backflow prevention devices classified as PN 10, PN 12 or PN 16, of...
Description This standard applies to two (2) types of assemblies, identified as: (a) Double Check Detector Assembly (DCDA); and (b) Double Check Detector Assembly Type II (DCDA-II). The DCDA and DCDA-II assemblies consist of two (2) independently acting check valves, internally force loaded to a...
Description This standard applies to the two types of assemblies, identified as: (a) Reduced Pressure Detector Assembly (RPDA); and (b) Reduced Pressure Detector Assembly Type II (RPDA-II). The RPDA and RPDA-II assemblies consist of two (2) independently acting check valves, internally force loaded...
