LF940GD-04-19
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Ductile Iron Non-Surge Check Valve (6 inches and Larger)
LF940GD-04-19 (Globe) and LF940AD-04-19 (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
- Opening and closing speeds are separately adjustable
Literature
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 |