LF912GD
LF912GD
Features
- Automatically reduces a fluctuating higher upstream pressure to a constant lower downstream pressure
- Throttles to reduce high upstream pressure to constant lower downstream pressure and to maintain minimum upstream pressure
- Reducing and Sustaining setpoints are separately adjustable
- Sizes 1 1/4 in. to 16 in. (32mm to 400mm)
The LF912GD (Globe) and LF912AD (Angle) Series is designed to automatically reduce a fluctuating higher upstream pressure to a constant lower downstream pressure regardless of varying flow rates, and throttle to sustain a minimum upstream pressure. The normally closed sustaining pilot remains open when upstream pressure is above the adjustable setpoint, and modulates toward a closed position if upstream pressure falls below the setpoint. As the sustaining pilot closes, fluid is directed into the main valve cover chamber, allowing the valve to modulate toward a closed position, raising upstream pressure. Normal pressure reducing operation resumes when upstream pressure is above the sustaining pilot setpoint, and downstream pressure is below the reducing pilot setpoint
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
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