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Series 41/53 In Depth

AVK Series 55 Large Diameter Gate Valve

MJ x MJ gate valve to AWWA C515 for water and other neutral liquids to 160°F

AVK gate valves are designed with built-in safety in every detail. The wedge is fully vulcanized with AVK’s own EPDM rubber compound with NSF drinking water approval. It features an outstanding durability due to the ability of the rubber to regain its original shape, the double bonding vulcanization process and the sturdy wedge design. The triple stem seal system, the high strength stem and the thorough corrosion protection safeguard the unmatched reliability.

Series 41 Swing Check Valves

Features

  • Meets or exceeds the requirements of AWWA C508
  • Easily replaceable disc
  • Easy to maintain
  • Resilient seat is a steel core coated with EDPM
  • Bronze seat is a steel core coated with EDPM with a bronze insert
  • Stainless steel bolting
  • 316 stainless steel hinge pin and bronze bushings – o-ring sealed
  • Lever and weights available, either mounting left or right
  • Body and bonnet are high strength ductile-iron
  • Available with tapping boss tapped and plugged
  • Completely opens to provide a clear, straight through waterway
  • Meets the laying lengths of ANSI/ASME B16.10
  • O-ring bonnet gasket wraps each bolt to prevent corrosion
  • 250 psi working pressure rating

Series 53 Ball Check Valve

Features

  • FLxFL version is all ductile iron design
  • NPT  versions available in ductile-iron or stainless steel
  • Laying lengths are to ANSI/ASME B16.10 for swing check valves
  • NBR (Nitrile) and Polyurethane balls available
  • Sinking and floating balls available
  • Ball is the only moving part
  • Ball moves completely out of the flow path for low head loss
  • Random seating of the ball on closing, ensuring long life
  • Pressure rated to 150 psi
  • Simple bolt on cover for easy inspection and maintenance
  • 100% testing – All valves tested to 150 PSI leak test / 225 PSI shell test

Series 41

Series 53

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Series 41/53 Overview

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Series 55 Overview