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 lines with flow-up
- Disc seat standard with Buna-N insert for bubble tight shut off
- Body and disc seat rings are field replaceable
- Awwa Swing Check Valve Series 8501 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
- Awwa Swing Check Valve Series 8501 Sizes: 3″ – 24″
- Styles: Stainless Steel to Buna-N standard
- Awwa Swing Check Valve Series 8501 Uses:
- Water
- Sludge
- Sewer Service
- Test Pressures:
- Seat* 350 psi Shell 700 psi *rated working pressure
