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PRESSURE REDUCING
VALVE

The Hydrocore™ Pressure Reducing Valve accurately maintain a set ratio between the upstream and downstream pressures, irrespective of the valve's flow rate. The valve's piston is in equilibrium state when the required pressure reduction ratio exists.

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FEATURES
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  • Accurate, stable & smooth control of pressure and flow regulation.

  • Can suit all valve sizes and pressure ratings.

  • Suitable for low flow (high velocity).

  • Reduces noise and vibration.

  • Improved anti-cavitation on valve seat area.

  • Increased longevity of valve lifespan.

  • Requires minimal maintenance, consisting of an annual cleaning and greasing of the sealing surfaces inside the valve’s bore. 

  • Various types of directional valves, operated by various types of actuators, could be applied for the purpose of venting or pressurizing of the control compartment.

  • Stainless steel moving internals parts

  • Cast steel body 

  • Low pressure drop across valve

  • Flanges and face-to-face dimensions to customer specification

SPECIFICATIONS
FLOW COEFFICIENTS & FLOW RATES

​Pressure rating

Sizes 50NB ~ 100NB: 250 bar (max)

Sizes 150NB ~ 300NB: 160 bar (max)

​

Temperature rating

Up to 85ºC with standard seals.

​

Media

Liquid and gas with low content of suspended solids.

​

Pipe sizes

2” (50 NB) to 16” (400 NB)

​

Flanges

SABS 1123, BS4504, BS10, ASME B16.34, ANSI B16.5

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pH levels & chlorides

Parts of the valve are made from stainless steel and can withstand a low level of chlorides.

​

Installation position

The valve can be installed in any position

 

Seating

Seat Leakage - B16.104 class III, IV, V or VI, depends on valve type and application.

50 NB

Cv/Kv: 50 | Flow (max): 9 â„“/sec

​

80 NB

Cv/Kv: 97 | Flow (max): 25 â„“/sec

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100 NB

Cv/Kv: 132 | Flow (max): 38 â„“/sec

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150 NB

Cv/Kv: 325 | Flow (max): 117 â„“/sec

​

200 NB

Cv/Kv: 648 | Flow (max): 152 â„“/sec

​

250 NB

Cv/Kv: 871 | Flow (max): 233 â„“/sec

​

300 NB

Cv/Kv: 1500 | Flow (max): 337 â„“/sec

DIMENSIONS AND WEIGHTS
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SIZE

 

50 NB

​

80 NB

​

100 NB

​

150 NB

​

200 NB

​

250 NB

​

300 NB

A (mm)

​

121

​

173

​

202

​

262

​

310

​

378

​

425

B (mm)

​

120

​

172

​

183

​

282

​

329

​

378

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425

#150 F-T-F

 

203mm / 16kg

​

267mm / 23kg

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292mm / 31kg

​

356mm / 109kg

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495mm / 245kg

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622mm / 465kg

​

699mm / 705kg

#300 F-T-F

 

267mm / 18kg

​

318mm / 28kg

​

356mm / 41kg

​

445mm / 131kg

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559mm / 275kg

​

622mm / 498kg

​

711mm / 755kg

#600 F-T-F

 

292mm / 19kg

​

356mm / 31kg

​

432mm / 53kg

​

559mm / 162kg

​

660mm / 316kg

​

787mm / 585kg

​

838mm / 839kg

#900 F-T-F

​

368mm / 33kg

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381mm / 41kg

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457mm / 64kg

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610mm / 187kg

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737mm / 358kg

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838mm / 636kg

​

965mm / 954kg

#1500 F-T-F

​

368mm / 33kg

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470mm / 51kg

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546mm / TBD

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705mm / TBD

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832mm / TBD

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991mm / TBD

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1130mm / TBD

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