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Reducing valve for water Yoshitake GD-27BP

Reducing valve for water Yoshitake GD27BP
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  • Manufacturer: Yoshitake (Japan)
  • Material: cast bronze, fluoroelastomer, EPDM
  • Action type: direct action

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  • Description
  • Specifications
  • Dimensions (mm) and weight (kg)
  • Equipment selection schedule
  • Delivery
  • Payment
  1. The combination of pressure relief, bypass and shut-off function saves cost and space.
  2. Provides a wide range of pressure regulation in the water supply system.
  3. Parts of the flow path are made of corrosion-resistant material, which eliminates the presence of rusty water.
  4. The pressure balanced design of the valve allows the reduced pressure to be kept constant without being influenced by the inlet pressure.
  5. By opening only the top of the valve, maintenance and inspection is easy.
Model GP-27VR
Nominal size 20-100A
Application Cold and hot water
Inlet pressure 1.0 MPa or less
Reduced pressure (A) 0.05-0.35 MPa (B) 0.3-0.7 MPa
Min. differential pressure 0.05 MPa
Maximum pressure reduction ratio 10: 1
Maximum temperature 90 ° C
Material Frame Cast bronze (NPb finish)
Valve seat Cast bronze (NPb finish)
Valve plug Fluoroelastomer
Membrane Ethylene Propylene Rubber
Compound Flange connection JIS 10K FF
Installation position Horizontal or vertical installation is possible (for 100A installation only on horizontal piping in the upper position. See * 1 below).

Pressure gauge connection with JIS Rc 1/4 thread.

Supplied with a pressure gauge.

The pressure reduction function is set when shipped from the factory.

Mounting position 100A

Монтажное положение 100А

Function

Функция

The switching of the three functions (pressure reduction function, bypass function and shut-off function) is carried out using the operating rods on the inlet and outlet side and the direction of the arrow to a specific point on the plate. Refer to the illustration to the right for the correct arrow setting and fluid flow for each function. (In the picture, the arrow is in the position for the pressure reduction function)

Pressure reduction function

Функция понижения давления

Bypass function

Перепускная функция

Shut-off function

Запорная функция

Nominal size
L H 1 H 2 d The weight
20A 200 61 137 eighteen 6
25A 200 61 137 eighteen 7
32A 245 72 177 eighteen eleven
40A 245 72 177 28 12
50A 260 92 186 28 16
65A 328 99 257 45 thirty
80A 402 112 274 56 38
100A 470 134 328 72 58

схема Yoshitake GD-27BP

Selection of nominal size

[The differential pressure before and after the valve is not less than 0.15 MPa.]



Nominal size 20A 25A 32A 40A 50A 65A 80A 100A
Consumption, l / min 40 60 100 150 250 300 450 700

* If the differential pressure upstream and downstream of the valve is less than 0.15MPa, select the correct nominal size using the diagram below.

Flow characteristics graph

Nominal size: 20A-50A

График характеристик расхода  Номинальный размер: 20А-50А

Flow characteristics graph

Nominal size: 65A-100A

График характеристик расхода  Номинальный размер: 65А-100А

Flow characteristics graph

* Pressure offset

- Decrease range pressure Pressure offset
A 0.05-0.35 MPa No more than 0.10 MPa
B 0.30-0.70 MPa No more than 0.15 MPa

График характеристик расхода

Noise performance graph

Nominal size 20A-25A

График шумовых характеристик  Номинальный размер 20А-25А

Noise performance graph

Nominal size 32A-50A

График шумовых характеристик  Номинальный размер 32А-50А

Noise performance graph

Nominal size 65A-100A

График шумовых характеристик  Номинальный размер 65А-100А

Pressure curve

График характеристик давления

This graph shows the change in reduced pressure when the pressure of 0.6 MPa at the valve inlet begins to fluctuate between 0.15 MPa and 1.0 MPa, while the reduced pressure is set at 0.1 MPa.

  • Pickup from a warehouse in Kiev
  • New Mail
  • SAT
  • Deliveri
  • Courier in Kiev
  • Cashless payment with VAT
  • Online Privat24, Visa / MasterCard
Reducing valve for water Yoshitake GD27BP

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