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Pressure Reducing and Pressure Relief Valves

PR/UL - PRESSURE REDUCING VALVES

Pressure Reducing Valve

  • Model 30U-PR/UL

 

Hydraulic pressure-reducing valve The valve maintains a preset fixed downstream pressure,  regardless of upstream pressure or flow fluctuations. 

 

Pressure rating, adjustment range & features:

  • UL Listed pressure rating/maximum upstream pressure (psi) Class 150 (ISO PN16) - 175-250psi  Class 300 (ISO PN25) - 375psi
  • UL listed downstream Pressure adjustment range  under VLMT EX.15232 & VLMT EX.xxxxx file (consult) Class 150 (ISO PN16) 30-165 psi  Class 300 (ISO PN25) 30-165 psi

 

Combination Deluge Pressure reducing valves  

  • Class 150 (ISO PN16) & Class 300 (ISO PN25) 50-300 psi
  • Other / Optional Pressure adjustment range: 15-360 psi Reliable pressure control from near zero flow to full flow with no need for additional throttling plug or by-pass valves Exhibits the same low pressure losses as in the basic valve
  • Simple structure


Applicable for:

Water, Sea water and Foam

PS/UL - PRESSURE RELIEF VALVES

Pressure Relief Valve

  • Model 30-PS/UL
  • Model 77-PS/UL

 

Hydraulic pressure relief valve The valve maintains a steady preset upstream pressure. Should the upstream pressure exceed the required set point, the valve opens, releasing excessive pressure. When the pressure falls below the preset level, the valve closes drip tight.

 

Pressure rating, adjustment range & features:

  • UL listed pressure rating/maximum pressure (psi) Class 150 (ISO PN16) - 250 psi max. Class 300 (ISO PN25) - 375 psi max
  • UL listed maximum relief pressure (psi): Class 150 (ISO PN16) - 175 psi & 205 psi Class 300 (ISO PN25) - 375 psi 
  • Reliable pressure control from near zero flow to full flow with no need for additional throttling plug or by-pass valves Exhibits the same low pressure losses as in the basic valve 
  • Simple structure

 

Applicable for:

  • Water, Sea water and Foam

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