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350W - Ludlow Swing Check, Cushioned Lever & Weight

350W – Ludlow Swing Check, Cushioned Lever & Weight

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.

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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.

Product Number: GA Figure 350W
Size: 3″ to 30″
Valve Type: Check Valve
Fluid: Wastewater, Water

 

Characteristics
  • 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
Material
  • 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

 

 

 

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