Plumbing Valves

G31S Lead Free Brass Swing Check Valve

  • Sizes: 1/2", 3/4", 1", 1 1/4", 1 1/2", 2"
  • Body: Lead Free Brass
  • Connection: Solder X Solder
  • Pressure: 200 WOG
  • Temperature: 180° F
    • 2-3 PSI opening pressure
    • For pump and compressor discharge cooling towers, HVAC systems, pressure pumps, sump pumps, condensate line, boilers and other applications to prevent backflow
    • Install a minimum of 5 X pipe diameter down stream of any fitting that can cause turbulence
    • Integral seats
    • Threaded bonnet design
    • Compliant to: Massachusetts Plumbing Board approved


American Valve warrants, to its initial purchaser only, that its products which are delivered to this initial purchaser will be the kind described in the order of price list and will be free of defects in workmanship or material for a period of one year from the date of delivery to the initial purchaser.

Should any failure to conform to this warranty appear within one year after the date of the initial delivery to our initial purchaser, American Valve will, upon written notification thereof and substantiation that the goods have been stored, installed, maintained and operated in accordance with American Valve’s recommendation and standard industry practice, correct such defects by suitable repair or replacement at American Valve’s own expense. If any product alleged to be defective, is returned to our factory at Greensboro, NC, it will be examined and, if found to be defective under the warranty, it will be replaced at no charge.

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