Level Control & Pressure Sustaining Valve
With Altitude Pilot
753-80
700 Sigma Series
Waterworks
Hydraulically operated, level control and pressure sustaining control valve that controls reservoir filling and reservoir level. During filling the valve sustains minimum upstream pressure regardless of fluctuating flow or reservoir level.
The valve shuts off at a pre-set reservoir high level and fully opens in response to an approximately one meter (3 ft) level drop, as sensed by the 3-Way altitude pilot mounted on the main valve.
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- Designed to - Stand up to the toughest conditions
- Excellent anti-cavitation properties
- Wide flow range
- High stability and accuracy
- Drip tight sealing
- Double chamber design
- Moderated valve reaction
- Protected diaphragm
- Optional operation in very low pressure
- Moderated closing curve
- Flexible design - Easy addition of features
- Obstacle free flow pass
- V-Port throttling plug (optional) - Very stable at low flow
- Compatible with various standards
- In-line serviceable - Easy maintenance
Typical Applications
- Municipal systems - Level control for water towers and elevated reservoirs
- Bi-Level control for water refreshment
- Water delivery system - Prioritizing upstream over reservoir filling
- Potable water and fire protection
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Level Control & Pressure Sustaining Valve
753-80
