Series 8501

Ductile Iron AWWA Swing Check Valve Air Cushion with Outside Lever and Weight or Spring

Specifications:

• Full waterway
• Ductile iron body, cover and disc hinge arm construction
• Stainless steel hinge pin
• Flanges conform to ANSI B16.1 Class 125 (250# flange available)
• Lever and weight may be installed on either side
• Valves may be installed in vertical line with flow up
• Disc seat standard with Buna-N insert for bubble tight shut off
• Body and disc seat rings are field replaceable
• Meets AWWA standards
• Totally enclosed bronze air cushion with stainless steel hardware
• For cushioning in low velocity applications (8-10 feet/second)
• Adjustable speed control
• 8 mils NSF 61 epoxy in and out
• Sizes: 3″ – 24″
• Styles: Stainless Steel to Buna-N standard
• Uses:
  • Water
  • Sludge
  • Sewer Service
• Test Pressures:
  

  Seat*	Shell
  350psi	700psi

  *rated working pressure