Direct-Acting Pressure Sustaining/Back Pressure Valve (with gauge) EPDM Seals
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Direct-Acting Pressure Sustaining/Back Pressure Valve (with gauge) EPDM Seals
2This Stainless Steel Direct-Acting Pressure Sustaining/Back Pressure Valve maintains stable upstream pressure. It restricts/closes when upstream pressure drops below. Often used on systems where upstream fire systems are required to maintain water pressure authority.
Product Features - All pricing exclusive of GST
- Used to maintain back pressure "Sustain pressure" on pump lines and water systems. (opens as pressure hits or exceeds the setpoint)
- Can be used as an excess pressure valve.
- Stainless Steel 316 Valve body - suitable for fluids, air & some gases.
- The gate is a balanced pressure design, which will not influence the outlet pressure caused by unstable inlet pressure.
- Comes Standard with Potable water WRAS seals suitable for -10 - 85°c Fluids.
- The inlet pressure responds directly to the pressure control chamber and regulates accordingly.
- The special design of diaphragm and piston means smooth pressure regulation and effective seal under no-flow conditions
- Comes with a standard BLUE spring which has a pressure range from 1-6 bar (14.5 - 87 PSI). Higher pressure springs can be provided as accessories at 4-10 (58 - 145 PSI) or 8-13 bar (116 - 188 PSI) pressure.
- Optional supply of seal kit which is suited for 90°c water, oily products and compressed air (please enquire with the team for this option)
- Maximum incoming pressure 25 bar (362 PSI)
- Valve body test pressure 35 bar
Specifications
| Connection Size | 15mm or 20mm or 25mm or 32mm or 40mm or 50mm |
