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Reducing valve for water Yoshitake GD-200H

Reducing valve for Yoshitake GD200H water
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  • Manufacturer: Yoshitake (Japan)
  • Material: ductile iron, stainless steel, NBR
  • Action type: direct action
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ModelGD-200H
ApplicationCold and hot water, oil (kerosene, heavy oil products A and B), air, other non-hazardous liquids
Inlet pressure2.0 MPa or less
Low pressure15A-50A (A) 0.05-0.25 MPa (B) 0.26-0.7 MPa (C) 0.5-1.0 MPa 65A-80A (A) 0.05-0.25 MPa (V) 0.26-0.7 MPa (C) 0.5-0.9 MPa 100A-150A (A) 0.05-0.25 MPa (B) 0.26-0.5 MPa (C) 0.5-0.75 MPa
Min. differential pressure0.05 MPa
Max. coeff. pressure reduction10: 1
Minimum adjustable flowWater: 5 l / min Air: 10 m³ / hour (standard conditions)
Working temperature5-80 ° C
Fluid viscosityNo more than 600 cSt
MaterialFrameMalleable cast iron
Valve seatStainless steel
Valve plugNBR
MembraneNBR
CompoundFlange connection EN 1092 PN10 / 16
Internal processing case surfaceElectrodeposition 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)15A20A25A32A40A50A65A80A100A125A150A
2.00.2-1.02.34.06.410.015.424.045.454.093.2145.3209.2
1.90.19-1.02.34.06.410.015.424.045.454.093.2145.3209.2
1.80.18-1.02.34.06.410.015.424.045.454.093.2145.3209.2
1.70.17-1.02.34.06.410.015.424.045.454.093.2145.3209.2
1.60.16-1.02.34.06.410.015.424.045.454.093.2145.3209.2
1.50.15-1.02.34.06.410.015.424.045.454.093.2145.3209.2
1.40.14-0.92.34.06.410.015.424.045.454.093.2145.3209.2
12.34.06.410.015.424.045.454.093.2130.0187.1
1.30.15-0.82.34.06.410.015.424.045.454.093.2145.3209.2
0.92.34.06.410.015.424.045.454.093.2130.0187.1
12.34.06.410.015.424.045.454.093.2112.5162.1
1.20.12-0.72.34.06.410.015.424.045.454.093.2145.3209.2
0.82.34.06.410.015.424.045.454.093.2130.0187.1
0.92.34.06.410.015.424.045.454.093.2112.5162.1
12.34.06.19.814.719.634.344.183.391.9132.3
1.10.11-0.62.34.06.410.015.424.045.454.093.2145.3209.2
0.72.34.06.410.015.424.045.454.093.2130.0187.1
0.82.34.06.410.015.424.045.454.093.2112.5162.1
0.92.34.06.19.814.719.634.344.183.391.9132.3
12.23.54.36.910.413.924.331.258.965.093.6
10.1-0.52.34.06.410.015.424.045.454.093.2145.3209.2
0.62.34.06.410.015.424.045.454.093.2130.0187.1
0.72.34.06.410.015.424.045.454.093.2112.5162.1
0.82.34.06.19.814.719.634.344.183.391.9132.3
0.92.23.54.36.910.413.924.331.258.965.093.6
0.90.09-0.42.34.06.410.015.424.045.454.093.2145.3209.2
0.52.34.06.410.015.424.045.454.093.2130.0187.1
0.62.34.06.410.015.424.045.454.093.2112.5162.1
0.72.34.06.19.814.719.634.344.183.391.9132.3
0.82.23.54.36.910.413.924.331.258.965.093.6
0.80.08-0.32.34.06.410.015.424.045.454.093.2145.3209.2
0.42.34.06.410.015.424.045.454.093.2130.0187.1
0.52.34.06.410.015.424.045.454.093.2112.5162.1
0.62.34.06.19.814.719.634.344.183.391.9132.3
0.72.23.54.36.910.413.924.331.258.965.093.6
0.70.07-0.22.34.06.410.015.424.045.454.093.2145.3209.2
0.32.34.06.410.015.424.045.454.093.2130.0187.1
0.42.34.06.410.015.424.045.454.093.2112.5162.1
0.52.34.06.19.814.719.634.344.183.391.9132.3
0.62.23.54.36.910.413.924.331.258.965.093.6
0.60.12.34.06.410.015.424.045.454.093.2145.3209.2
0.22.34.06.410.015.424.045.454.093.2130.0187.1
0.32.34.06.410.015.424.045.454.093.2112.5162.1
0.42.34.06.19.814.719.634.344.183.391.9132.3
0.52.23.54.36.910.413.924.331.258.965.093.6
0.50.12.34.06.410.015.424.045.454.093.2130.0187.1
0.22.34.06.410.015.424.045.454.093.2112.5162.1
0.32.34.06.19.814.719.634.344.183.391.9132.3
0.42.23.54.36.910.413.924.331.258.965.093.6
0.40.12.34.06.410.015.424.045.454.093.2112.5162.1
0.22.34.06.19.814.719.634.344.183.391.9132.3
0.32.23.54.36.910.413.924.331.258.965.093.6
0.30.12.34.06.19.814.719.634.344.183.391.9132.3
0.22.23.54.36.910.413.924.331.258.965.093.6
0.20.12.23.54.36.910.413.924.331.258.965.093.6
0.10.051.52.53.14.97.49.817.222.141.745.966.2
  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).

GD-200H

Nominal sizeLHH 1The weight
15A1453105578.2
20A150310578.2
25A1503336710.0
32A1953977617.3
40A1953977617.3
50A1954158119.2
65A27055511040.0
80A27058212543,7
100A30864514370.7
125A384849179145.0
150A404918204175.0

Редукционный клапан GD-200H

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 sizePressure rangePressure 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%.

Delivery

  • Pickup from a warehouse in Kiev - is free
  • New Mail - at the rates of the delivery service, at the rates of the delivery service, at the rates of the delivery service
  • SAT - at the rates of the delivery service
  • Deliveri - at the rates of the delivery service

Payment

  • Cashless payment with VAT
  • Online Privat24, Visa / MasterCard
Reducing valve for Yoshitake GD200H water

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