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Plast-O-Matic Series PRHU High Purity Pressure Regulator
Plast-O-Matic Series PRHU High Purity Pressure Regulator
Features
- • • Machined body constructed of Kynar® 740 PVDF
- • • Metal-ion-free EPDM construction
- • • Fused spigots supplied as standard
- • • Proprietary Plast-O-Matic pre-assembly cleaning procedure
- • • 8-hour cold / 8-hour hot DI water rinse
- • • Final Class 100 clean and double-bagged packaging procedure
- • • Designed for maximum flow with minimal pressure drop from set pressure
- • • Non-rising, smooth-flow stem design
- • • Regulates varying inlet pressure up to 150 PSI to a stable, lower preset downstream pressure
- • • Adjustable downstream pressure from 10 to 125 PSI
- • • Large-area, frictionless rolling diaphragm provides high sensitivity
- • • Balanced-shaft diaphragm design provides smooth and accurate pressure regulation
- • • Designed for reliable sealing over millions of operating cycles
- • • Double U-cup seals help prevent shaft leakage and pressure creep
- • • Suitable for high-purity and ultra-pure fluid handling applications
Description
The Plast-O-Matic Series PRHU High Purity Pressure Regulator is designed for precise pressure regulation in high-purity and ultra-pure fluid handling systems. It reduces varying inlet pressure of up to 150 PSI to a stable, lower preset downstream pressure, with downstream pressure adjustable from 10 to 125 PSI.
The PRHU features a machined Kynar® 740 PVDF body, metal-ion-free EPDM construction and fused spigots as standard. Its high-purity construction makes it particularly suitable for applications where cleanliness, chemical compatibility and contamination control are critical.
A large-area frictionless rolling diaphragm provides excellent sensitivity, while the balanced-shaft design supports smooth and accurate pressure regulation. The regulator is engineered to provide maximum flow with minimal pressure drop from the selected set pressure. Double U-cup seals help prevent leakage along the shaft and reduce the possibility of pressure creep.
For high-purity service, the PRHU undergoes Plast-O-Matic's proprietary pre-assembly cleaning procedure, followed by an 8-hour cold and 8-hour hot DI water rinse. The product is then final Class 100 cleaned and double bagged.
The Plast-O-Matic Series PRHU is suitable for high-purity and ultra-pure liquid pressure control applications requiring reliable downstream pressure regulation and clean fluid handling.
Features
- Stroke
- 4 Stroke
- Max Power
- 62kW/6000 (r/min)
- Cylinders
- 2 Cylinder
- Max Torque
- 101N·m/5000 (r/min)
- Displacement (ml)
- 1000CC

