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Primary pressure control valve Yoshitake GP-50S

Primary pressure control valve Yoshitake GP50S
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  • Manufacturer: Yoshitake (Japan)
  • Material: cast iron, bronze
  • Action type: pilot operated

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  • Pickup from a warehouse in Kiev
  • New Mail
  • SAT
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  • Description
  • Specifications
  • Dimensions (mm) and weight (kg)
  • Equipment selection schedule
  • Delivery
  • Payment
  1. Pilot valves operate over a wide flow range.
  2. It is used to maintain the water pressure in the pipeline when the pump is turned off in an open circuit.
Application Cold and hot water
Pressure regulation range 0.1-0.2 MPa 0.2-0.4 MPa 0.4-0.7 MPa
Min. differential pressure 0.1 MPa
Min. adjustable flow 10% of nominal flow
Operating temperature 0-70 ˚C
Material Frame Cast iron
Valve Nitrile butadiene rubber Bronze
Valve seat Bronze
Compound JIS 10K RF Flange Connection
Nom. the size L H H 1 The weight
125A 420 735 145 160
150A 450 753 153 210
200A 600 880 220 330
250A 700 1075 250 480
300A 800 1125 295 600

схема Yoshitake GP-50RD

Formula for nominal size selection

Calculation of the Cv value

Расчет значения Cv   (GP-50RD)

Cv value table

Nominal size 125A 150A 200A 250A 300A
Cv value 180 260 470 710 900
Nom. consumption (m³ / h) 145 204 355 547 800

Selection data for GP-50R, GP-50S, GP-50RD

График характеристик расхода GP-50R, GP-50S, GP-50RD

Adjustment range pressure Shut-off pressure drop
0.1 to 0.2 MPa No more than 0.05 MPa
0.2 to 0.4 MPa No more than 0.07 MPa
0.4 to 0.7 MPa No more than 0.11 MPa
Adjustment range pressure Shut-off pressure drop (differential pressure)
0.1 to 0.2 MPa No more than 0.07 MPa
0.2 to 0.4 MPa No more than 0.09 MPa
0.4 to 0.7 MPa No more than 0.13 MPa
Accumulation Within 10% of the set pressure (minimum 0.04 MPa0

Диаграмма подбора номинального размера GP-50R, GP-50S, GP-50RD

∙ How to use the diagram (example) Find the point of intersection (C) of the differential pressure (A) and desired flow (B) lines. Select the dimension above point (C). For this example, select 150A. * The speed of movement of the liquid through the pipeline should not exceed 3 m / s.

  • Pickup from a warehouse in Kiev
  • New Mail
  • SAT
  • Deliveri
  • Courier in Kiev
  • Cashless payment with VAT
  • Online Privat24, Visa / MasterCard
Primary pressure control valve Yoshitake GP50S

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