GA Figure 5670:

Pressure Relief/Sustaining Valve Series 5000 Diaphragm Operated

Size: Sizes 1¼" to 16"
Valve Type: Surge Relief Valve
Fluid: Water

GA industries Series 5000 are pilot-operated, diaphragm actuated water control valves.The GA Figure 5670 valve can be used in either of two applications:

Pressure Relief: installed on the side outlet of a tee and closed under normal pressure conditions.The valve opens upon a rise in pressure above normal to discharge water out of the system to safely limit the pressure increase

Pressure Sustaining: installed in the main run, opens to allow flow into downstream system when inlet pressure exceeds minimum, throttles as needed to sustain minimum inlet pressure, closes if inlet pressure falls below minimum

Standard features include pilot wye-strainer and isolating valves and inlet pressure gauge.Many optional features and accessories are available.

The valve is available with full port globe body up to 16" size or reduced port globe in 3" to 10" sizes, NPT connections to 3" and Class 150 or 300 flanged from 2" to 16".Full port angle body valves are available 1¼" to 10".

  • Fully conforms to AWWA C530
  • NSF-61 Certified for Contact with Drinking Water
  • NSF-372 Certified Lead Free
  • Corrosion resistant fusion bond epoxy coated body and 316SS trim standard
  • Standard inlet pressure gauge
  • Body, Cover and Disc Retainer: Ductile Iron, Fusion Bond Epoxy Coated
  • Body Seat: Type 316 Stainless Steel
  • Disc: Buna-N Rubber
  • Shaft: Type 304 Stainless Steel
  • Diaphragm: Reinforced Buna-N
  • Cover Fasteners: Type 304 Stainless Steel
Corrosion Protection
  • Internal and external coated with fusion bond epoxy, stainless steel fasteners
Installation, Maintenance and Operating Instructions
Fig 5670 IOM 02-27-2017 Rev B
Sample Specification
Series 5000 Specification Rev B
Technical Datasheet
Figure 5670 Data Sheet Ga-5670-1216b
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Clean Water

Dependable valves that meet your clean water needs

From the raw water intake to the filtration plant to the finished waster distribution and storage system, GA Industries valves have been providing dependable service in large and small water systems. GA Industries pump control, check and relief valves mitigate damaging pressure surges and eliminate slam and bang that can result from the operation of water pumps.

Our full range of pilot operated control valves regulate distribution system pressure and prevent overflow of storage tanks and reservoirs. Air trapped in water pipelines can reduce system efficiency and exacerbate pressure surges. Our wide range of automatic air valves ensures we have the right valve to maintain an air free system.

And when it’s necessary to isolate a pump, process or section of pipeline, you can depend on GA Industries butterfly valves for reliable flow shutoff.

GA Figure 5670:
Pressure Relief/Sustaining Valve Series 5000 Diaphragm Operated
GA Figure 5670 Image
Size: Sizes 1¼" to 16"
Valve Type: Surge Relief Valve
Fluid: Water

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