GA Figure 231, 232:

Heavy Duty Swing Check, Lever & Spring Increasing Size

Size: 3" x 4" to 8" x 12"
Valve Type: Check Valve
Fluid: Wastewater, Water

GA Industries Figures 231-DS and 232-DS are heavy duty, customizable swing check valves that utilize an adjustable spring assisted closure to minimize slam and hammer.In addition, the valve's outlet connection is expanded one or two sizes larger than the inlet connection which can eliminate the need for an increaser fitting on the pump discharge.

Normally installed in the discharge of a pump to prevent backflow when the pump is off line, it opens smoothly at pump start and closes quickly and quietly upon pump shutdown.

Figures 231-DS and 232-DS meet the design, materials of construction and testing required by AWWA C508 and are suitable for use with water or sewage.

Characteristics
  • Heavy duty construction withstands rigors of pump station operation
  • Expanded outlet connection can eliminate need for increaser fitting
  • Full flow area when swung only 25° away from seat for low head loss and reduced pumping cost
  • Replaceable rubber disc seat for tight seating at low and high pressure
  • Lever & spring field convertible right hand to left hand side, and from horizontal to vertical installation
Material
  • Body & Disc: Cast Iron, ASTM A126 Class B
  • Cover: Steel, ASTM A36
  • Body Seat: Stainless Steel, Type 316
  • Disc Seat: Buna-N
  • Hinge Shaft: Stainless Steel, Type 303
  • External Fasteners: Steel, A307, Zinc Plated
  • Spring: Steel
Corrosion Protection
  • Standard: Uncoated internal, external coated with enamel primer, minimum 2 mil DFT
  • Optional: 316 SS external fasteners and internal and external NSF-61 certified 2-part epoxy, minimum 6 mil DFT
Downloads
Drawings and Parts List
Fig231-c1307-c
Download
Fig232-c1255-e
Download
Installation, Maintenance and Operating Instructions
Figure 231-232-o--m 022720
Download
Sample Specification
Heavy Duty Rev B
Download
Technical Datasheet
Figures 231-232 Data Sheet 231-232-01b
Download
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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.

Wastewater

Reliable wastewater valves designed for rigorous service

GA Industries sewage and wastewater valves are specially designed to accommodate the rigorous demands of the sewage collection, pumping and treatment process.

Whether a large regional sewage pump station, a small lift station or in-plant process pumping, GA Industries line of wastewater check, pump control and surge relief valves provide reliable service under difficult operating conditions. GA Industries ECO-Centric® plug valves handle solids and stringy material and are used in sewage and wastewater systems for pump, pipeline or process isolation.

Our full range of sewage and wastewater air valves automatically release air and sewage gas from forcemains to maintain pumping efficiency and minimize pipeline corrosion.

GA Figure 231, 232:
Heavy Duty Swing Check, Lever & Spring Increasing Size
GA Figure 231, 232 Image
Size: 3" x 4" to 8" x 12"
Valve Type: Check Valve
Fluid: Wastewater, Water
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