Proportional Pressure Reducing Valve (Piston Actuator)
820-PP
800 Series
Waterworks
Hydraulically operated, piston actuated control valve that reduces higher upstream pressure to lower downstream pressure at a fixed ratio. The fixed pressure reducing ratio is determined with regard to valve size and plug type.
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Robust structure, piston actuated – High pressure service
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Line pressure driven – Independent operation
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Elegant simplicity
- Cost effective
- Simple to maintain
- Minimal external accessories
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Built-in check feature - Replacing line sized check valve
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In-line serviceable - Easy maintenance
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Double chamber design
- Moderated valve reaction
- Moderated closing curve
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Flexible design - Easy addition of features
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Semi-straight flow – Non-turbulent flow
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Stainless Steel raised seat - Cavitation damage resistant
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Obstacle free, full bore – Uncompromising reliability
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V-Port throttling plug (optional) - Very stable at low flow
Typical Applications
- First stage at a two stage pressure reducing system
- Municipal and national systems ‑ Reducing pressure at downhill pipe lines
- Pumping stations - Minimize cavitation and noise in circulation valves