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Reducing valve for Yoshitake GD-20 water

Reducing valve for Yoshitake GD20 water
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  • Manufacturer: Yoshitake (Japan)
  • Material: cast 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
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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. Available with stainless steel wetted parts and completely made of stainless steel.
  3. The valve plug prevents leakage when closed.
  4. 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 With stainless steel wetted parts Completely made of stainless steel
Application Cold and hot water, oil (kerosene, heavy oil products A and B), air, other non-hazardous liquids
Inlet pressure 1.0 MPa
Reduced pressure 15A-80A (A) 0.05-0.25 MPa (B) 0.26-0.7 MPa 100A (A) 0.05-0.25 MPa (B) 0.26-0.5 MPa 15A-25A (A) 0.05-0.25 MPa (B) 0.26-0.7 MPa 32A-50A (A) 0.05-0.2 MPa (B) 0.21-0.46 MPa
Max. differential pressure 0.05 MPa
Maximum pressure reduction ratio 10: 1
Operating temperature 5-80 ° C
Fluid viscosity No more than 600 cSt
Material Frame Cast stainless steel
Valve seat Stainless steel
Valve plug NBR
Membrane NBR
Compound Flange connection JIS 10K FF

* Contact us for availability of 65A-100A models. Variants available with fluoroelastomer components.

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
Nominal size L H H 1 The weight
Flowing details Stainless steel parts become Completely made of stainless steel. become Flowing details Stainless steel parts become Completely made of stainless steel. become
15A 145 310 297 57 9.8 10.6
20A 150 310 297 57 9.8 10.6
25A 150 333 320 67 12.0 13.0
32A 195 397 397 76 20.7 22.5
40A 195 397 397 76 20.7 22.5
50A 195 415 415 81 23.0 25.0
65A 270 555 555 110 48.0 52.0
80A 270 582 582 125 52.4 56.8
100A 308 645 645 143 84.0 91.0

* Contact us for availability of 65A-100A models.

схема Yoshitake GD-20

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 GD20 water

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