OverviewHydraulically operated, pressure reducing control valve that reduces higher upstream pressure to lower constant downstream pressure, regardless of fluctuating demand or varying upstream pressure.
Key Features & Benefits- Line pressure driven – Independent operation
- High performance control trim
- High stability and accuracy at wide flow range
- Drip tight sealing
- Flexible design - Easy addition of features
- Advanced globe hydro-efficient design
- Unobstructed flow path
- Single moving part
- Non-turbulent flow
- High flow capacity
- Fully supported & balanced diaphragm
- Excellent low flow regulation performance
- Progressively restrains valve closing
- Prevents diaphragm distortion
- In-line serviceable
- Easy maintenance
- Minimal down time
Typical Applications- Highrise and midrise residential buildings - Reducing pressure at the pressure zone inlet
- Municipal systems - Reducing pressure at potable water connections to buildings and structures
Documentation (selected)- 420 - Product Page (Metric, English)
- 420 - Product Page (Imperial, English)
- 420 - IOM (Installation & Maintenance) - English
Technical specifications- Model: 420
- Product type: Pressure Reducing Valve
- Series: 400 Series
- Product barcode / internal code: 30400
- Operation: Hydraulically operated, line pressure driven
- Design highlights: Globe hydro-efficient design, fully supported & balanced diaphragm, single moving part
- Serviceability: In-line serviceable for easy maintenance and minimal downtime
- Primary applications: Buildings & Construction, Waterworks