GA Figure 350W:

Ludlow Swing Check, Cushioned Lever & Weight

Size: 3" to 30"
Valve Type: Check Valve
Fluid: Wastewater, Water

GA Industries Figure 350-W 'Ludlow' air cushioned swing check valve employs an adjustable counterweight to provide rapid closure and an air cushion to minimize slam and hammer.The valve is typically 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.

The Figure 350-W meets the design, materials of construction, testing and face to face dimension required by AWWA C508 and is suitable for use with water or sewage.

  • Class 125 flanged 250 PSI rated epoxy coated ductile iron construction
  • Tough and corrosion resistant 316SS body seat
  • Buna-N rubber faced ductile iron disc for tight seating at low and high pressure
  • Bolted cover with stainless steel cover fasteners facilitates maintenance
  • Side mounted corrosion resistant air cushion chamber
  • Liting eyes (10" and larger) facilitates handling and installation
  • Body, Cover & Disc: Ductile Iron, ASTM A536, Grade 65-45-12
  • Body Seat: Stainless Steel, Type 316
  • Disc Seat Face: Buna-N
  • Hinge Shaft: Stainless Steel, Type 303
  • Cushion Chamber: Stainless Steel
  • External Fasteners: Stainless Steel, Type 316
Corrosion Protection
  • Standard: Intenal and external coated with 2-part NSF-61 certified epoxy
Drawings and Parts List
Fig 350W Drawing C1364-B
Installation, Maintenance and Operating Instructions
Fig 350W IOM 022520
Sample Specification
Ludlow 350 Rev B
Technical Datasheet
Figure 350W Data Sheet 350W-01D
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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.


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 350W:
Ludlow Swing Check, Cushioned Lever & Weight
GA Figure 350W Image
Size: 3" to 30"
Valve Type: Check Valve
Fluid: Wastewater, Water

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