ABS Backwater Valve with 16 Inch Access Sleeve S-661

 
Valve Category Manufacturer Photograph
Thermoplastic Valves  Legend Valve 
ABS Backwater Valve with 16 Inch Access Sleeve S-661

Valve Subcategory
Solvent Ends 

LEGEND MODELS S-661 backwater valves are constructed of ASTM D1784 virgin resins that will not rust, corrode or pit. They are designed for use in residential and commercial applications to prevent backflow in drainage systems. The stepped construction promotes efficient flow and helps prevent clogging. The access cap facilitates ease of clean-out or repair.

  • Full flow stepped body design promotes efficient flow
  • Access sleeve includes cap allows ease of clean-out or repair

• Manufactured in compliance with ASME A112.14.1-2003
• End connections comply with ASTM D2661 (Connections)

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ABS Backwater Valve With 16 Inch Access Sleeve S-661 Specifications and Dimensions

Material Specifications
No. Part Material Specification
1 Body ABS ASTM D3965
2 Flapper ABS ASTM D3965
3 Flapper o-ring NBR Commercial grade
4 Access cap ABS ASTM D3965
5 Access cap o-ring NBR Commercial grade
Dimensions
Size A B
3" 7.38 5.75
4" 9.69 6.75