GA Figure 340-S Ludlow Swing Check, Lever & Spring

3" to 12"

Productgroup: Check Valves

Medium: Water,  Wastewater

VAG/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.

• 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

• 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

Standard: Stainless steel cover fasteners and internal/external NSF-61 certified 2-part epoxy, minimum 6 mil DFT

Drawing and Parts List
3” to 14” C-1365A
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Installation, Maintenance and Operating Instructions
340S Manual
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Sample Specification
Ludlow 340S
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Technical datasheet
Data Sheet 340S
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9025 Marshall Road
Cranberry Township, PA 16066
United States
Phone: +1 724-776-1020

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