Master Stocking Distributor & Valve Automation Shop
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Ludlow Swing
GA Figure 340S
GA Figure 340S
Ludlow Swing
Size:
3" to 12"
Type:
Check Valve
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. __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: Stainless Steel, Type 304 ' Spring: Steel
Corrosion Protection
Standard: Stainless steel cover fasteners and internal/external NSF-61 certified 2-part epoxy, minimum 6 mil DFT