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Reducing valve for Yoshitake GD-200 water

Reducing valve for Yoshitake GD200 waterReducing valve for Yoshitake GD200 water
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  • Manufacturer: Yoshitake (Japan)
  • Material: ductile iron, stainless steel
  • Action type: direct action

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  • Pickup from a warehouse in Kiev
  • New Mail
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  • Description
  • Specifications
  • Dimensions (mm) and weight (kg)
  • Equipment selection schedule
  • Delivery
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  1. The pressure balanced design of the valve allows the reduced pressure to be kept constant without being influenced by the inlet pressure.
  2. High wear resistance and durability of the valve seat made of stainless steel.
  3. The valve top is easily removable for inspection and maintenance.
  4. A rubber stopper prevents leakage when the valve is closed.
  5. The GD-200C is highly corrosion resistant due to the nylon coated inside and outside of the case.
  6. Installation in horizontal or vertical pipelines is possible. (For sizes over 100A, installation is carried out on a horizontal pipeline in the upper position).
Model GD-200
Application Cold and hot water, oil (kerosene, heavy oil products A and B), air, other non-hazardous liquids
Inlet pressure 1.0 MPa or less
Low pressure 15A-80A
(A) 0.05-0.25 MPa (B) 0.26-0.7 MPa
100A-150A
(A) 0.05-0.25 MPa (B) 0.26-0.5 MPa
Min. differential pressure 0.05 MPa
Max. coeff. pressure reduction 10: 1
Minimum adjustable flow Water: 5 l / min Air: 10 m³ / hour (standard conditions)
Working temperature 5-80 ° C
Fluid viscosity No more than 600 cSt
Material Frame Malleable cast iron
Valve seat Stainless steel
Valve plug NBR
Membrane NBR
Compound Flange connection JIS 10K FF
Internal processing case surface Electrodeposition coating
  • Available with FPM components (except GD-200H (C) sizes 65A to 150A).
  • Available with pressure gauge.
  • GD-200HS available for rinse water.

Liquid flow table

P1 (MPa) P2 (MPa) 15A 20A 25A 32A 40A 50A 65A 80A 100A 125A 150A
2.0 0.2-1.0 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
1.9 0.19-1.0 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
1.8 0.18-1.0 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
1.7 0.17-1.0 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
1.6 0.16-1.0 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
1.5 0.15-1.0 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
1.4 0.14-0.9 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
1 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
1.3 0.15-0.8 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
0.9 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
1 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
1.2 0.12-0.7 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
0.8 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
0.9 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
1 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
1.1 0.11-0.6 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
0.7 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
0.8 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
0.9 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
1 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
1 0.1-0.5 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
0.6 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
0.7 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
0.8 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
0.9 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
0.9 0.09-0.4 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
0.5 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
0.6 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
0.7 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
0.8 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
0.8 0.08-0.3 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
0.4 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
0.5 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
0.6 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
0.7 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
0.7 0.07-0.2 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
0.3 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
0.4 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
0.5 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
0.6 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
0.6 0.1 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 145.3 209.2
0.2 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
0.3 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
0.4 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
0.5 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
0.5 0.1 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 130.0 187.1
0.2 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
0.3 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
0.4 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
0.4 0.1 2.3 4.0 6.4 10.0 15.4 24.0 45.4 54.0 93.2 112.5 162.1
0.2 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
0.3 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
0.3 0.1 2.3 4.0 6.1 9.8 14.7 19.6 34.3 44.1 83.3 91.9 132.3
0.2 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
0.2 0.1 2.2 3.5 4.3 6.9 10.4 13.9 24.3 31.2 58.9 65.0 93.6
0.1 0.05 1.5 2.5 3.1 4.9 7.4 9.8 17.2 22.1 41.7 45.9 66.2

GD-200

Nominal size L H H 1 The weight
15A 145 310 557 8.2
20A 150 310 57 8.2
25A 150 333 67 10.0
32A 195 397 76 17.3
40A 195 397 76 17.3
50A 195 415 81 19.2
65A 270 555 110 40.0
80A 270 582 125 43,7
100A 308 645 143 70.7
125A 384 849 179 145.0
150A 404 918 204 175.0

Редукционный клапан GD-200

Flow characteristics graph

График характеристик расхода

* Minimum adjustable flow rate for aqueous medium: 5 l / min for air: 10 m3 / h, (standard conditions)

Pressure curve

График характеристик давления

This graph shows the dependence of the reduced pressure when the pressure at the valve inlet changes from 0.15 MPa to 1 MPa at a set reduced pressure of 0.10 MPa.

* Back pressure

Nominal size Pressure range Pressure offset
15A-50A (A), (B) Range of values 0.05-0.7 MPa within 0.05 MPa
(WITH) Range of values 0.5-1.0 MPa within 0.11 MPa
65A, 80A (A), (B) Range of values 0.05-0.7 MPa within 0.05 MPa
(WITH) Range of values 0.5-0.9 MPa within 0.11 MPa
100A (A), (B) Range of values 0.05-0.5 MPa within 0.05 MPa
(WITH) Range of values 0.5-0.75 MPa within 0.11 MPa
125A-150A (A) Range of values 0.05-0.25 MPa within 0.05 MPa
(V) Range of values 0.26-0.5 MPa within 0.07 MPa
(WITH) Range of values 0.5-0.75 MPa within 0.11 MPa

Nominal sizing diagram (for water)

Диаграмма подбора номинального размера (для воды)

Nominal sizing diagram (for air)

Диаграмма подбора номинального размера (для воздуха)

The safety factor should be taken equal to 80-90%.

  • Pickup from a warehouse in Kiev
  • New Mail
  • SAT
  • Deliveri
  • Courier in Kiev
  • Cashless payment with VAT
  • Online Privat24, Visa / MasterCard
Reducing valve for Yoshitake GD200 water

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