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77
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77
Features
- Dual shaft design allows interchangeability of shafts
- Torsion springs close valve prior to flow reversal and provide long sealing capability
- High pressure elastomer seats available for sizes 4 inches and up
- Compact design with short face-to-face dimensions minimizes space requirements
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Series 77 Class 900 Carbon Steel or Stainless Steel Sure Check Valves are designed for use with liquids and gases where flow reversal can cause surge and water hammer.
Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.
Literature
Select a Model
Select options below to identify the UPC, Order Code, and Repair Kit for a specific 77