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91
Cast Iron or Cast Aluminum Bronze Compact Wafer Silent Check Valves
Features
- Compact, lightweight wafer design saves space
- Disc begins to open at 0.5 psi (34.5 kPa), and opens 1/3 inch per inch of line size for enhanced flow
- Disc is fully guided at top and bottom to ensure alignment and sealing at any installation angle
- Sizes: 2 to 6 in. (50 to 150mm)
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Series 91 Cast Iron or Cast Aluminum Bronze Compact Wafer Silent Check Valves are designed for liquids and gases where flow reversal can cause surge and water hammer.
Literature
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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.