Diaphragm valve WW-720

hydraulically-operatedfor controlpressure-reducing

Overview
Hydraulically operated pressure reducing control valve that reduces higher upstream pressure to a lower constant downstream pressure, regardless of fluctuating demand or varying upstream pressure.

Key Features & Benefits

• 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

Other Notable Features

• Flexible design allowing easy addition of features
• Obstacle-free flow pass
• Optional V-Port throttling plug for very stable low-flow performance
• High quality materials suitable for potable water applications
• In-line serviceable for easy maintenance
• Unitized / double-chamber actuator options

Certified To / Standards

• EN-1074
• NSF-ANSI 61-372
• WRAS
• AS 5081
• Other regional functional and drinking water standards

Typical Applications

• Pressure management – NRW leakage control
• National water systems pressure control
• Municipal systems – reducing pressure at potable water connections to buildings and structures
• High-rise and mid-rise residential buildings – reducing pressure at the pressure zone inlet

Technical characteristics / specifications

• Model designation: 720
• Series: 700 Sigma Series
• Operation: Hydraulically operated pressure reducing control valve
• Actuator: Double chamber (unitized actuator options)
• Flow path: Obstacle-free flow pass (unobstructed seat area)
• Optional components: V-Port throttling plug, indicator/limit switch, position transmitter, position indication options
• Maintenance: In-line serviceable actuator for easy maintenance
• Materials: High quality materials suitable for potable and waterworks applications
• Certifications: EN-1074, NSF-ANSI 61-372, WRAS, AS 5081 (and others as listed)
• Intended segments: Waterworks, Buildings & Construction, Irrigation