940GS-04
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Stainless Steel Non-Surge Check Valve (4 inches and Smaller)
940GS-04 (Globe) and 940AS-04 (Angle) Series is designed to control pipeline surges caused by flow reversal by slowly opening and closing at separate adjustable rates.
Features
- Controls pipeline surges caused by flow reversal by slowly opening and closing at separate adjustable rates
- Valve closes when downstream pressure is greater than upstream pressure
- Valve opens when upstream pressure is greater than downstream pressure
- Lightweight Stainless Steel construction reduces corrosion, diaphragm wear, and labor frequency and costs
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. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |