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340S - Ludlow Swing Check, Lever & Spring

340S – Ludlow Swing Check, Lever & Spring

GA Industries Figure 340-S ‘Ludlow’ swing check valve fully conforms with AWWA Standard C508 with an adjustable spring assisted closure 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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Product Number: GA Figure 340S
Size: 3″ to 12″
Valve Type: Check Valve
Fluid: Wastewater, Water

The Figure 340-S 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.

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
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
  • External Fasteners: 316 Stainless Steel
Corrosion Protection
  • Standard: 3″ to 12″ internal and external fusion bond epoxy, 14″ and larger internal and external 2-part epoxy

 

 

 

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