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Pressure Sustaining Valve

730-X
700 Sigma Series
Nhà máy nước
Tưới tiêu

Pressure relief/sustaining hydraulically operated control valve that can fulfill either of two separate functions: When installed in-line, it sustains minimum pre-set, upstream (back) pressure, regardless of fluctuating flow or varying downstream pressure. When installed as a circulation valve, it relieves excessive line pressure when above maximum pre-set. This valve is a double chamber configuration using 3-way control, being extremely responsive regardless of operating conditions, allowing full opening without the risk of hydraulic lock out.

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730-X

  • 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

  • High quality materials

  • In-line serviceable - Easy maintenance

  • Certified to functional and drinking water standards: EN-1074, NSF-ANSI 61-372, WRAS, AS 5081 and others

Ứng dụng tiêu biểu

  • Water delivery system - Prioritizing upstream over downstream demand
  • Pumping stations - Ensure operating point on pump curve
  • Pumping stations - Circulation during low demand
  • Filtration system ‑ Sustaining minimum pressure for efficient backflush
  • Downhill lines emptying prevention
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