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Reducing valve for air Yoshitake GD-27G

Reducing valve for air Yoshitake GD27G
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  • Manufacturer: Yoshitake (Japan)
  • Material: cast bronze, bronze, EPDM
  • Action type: direct action

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  • Description
  • Specifications
  • Dimensions (mm) and weight (kg)
  • Equipment selection schedule
  • Delivery
  • Payment
  1. Parts of the flow path are made of corrosion-resistant materials.
  2. Low noise level.
  3. The pressure balanced design of the valve allows the reduced pressure to be kept constant without being influenced by the inlet pressure.
  4. The valve top is easily removable for inspection and maintenance.
  5. Compact and lightweight, easy to install on the pipeline.
Model GD-27G
Application Air, non-hazardous liquids *
Inlet pressure 1.0 MPa or less
Reduced pressure (A) 0.05-0.35 MPa (B) 0.3-0.7 MPa
Liquid temperature 5-90 ° C
Min. differential pressure 0.05 MPa
Max. coeff. pressure reduction 10: 1
Material Frame Cast bronze
Valve seat Bronze
Valve plug Ethylene Propylene Rubber (EPDM)
Membrane Ethylene Propylene Rubber (EPDM)
Compound Flanged JIS 10K FF

* When using for gaseous oils, the valve manufacturer should be consulted.
• A filter (40 mesh) is installed on the 15A to 50A model.
• Manometer connection pipe with JIS Rc 1/8 threaded connection.

Yoshitake GD-26G

Pressure curve

График характеристик давления Yoshitake GD-26G, 27G

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.

Flow characteristics graph

График характеристик расхода  Yoshitake GD-26G, 27G

Nominal size Pressure range Pressure offset
15-100A (A) 0.05-0.35 MPa no more than 0.05 MPa
(V) 0.3-0.7 MPa no more than 0.10 MPa

GD-27G

Nominal size L H H 1 The weight
25A 160 170 41 5.1
32A 200 224 57 7.5
40A 200 224 57 7.7
50A 220 239.5 61 10.9
65A 220 329 77 20.0
80A 230 345 82 22.0
100A 270 412 94 33.0

схема Yoshitake GD-27G

Nominal sizing diagram

Диаграмма подбора номинального размера Yoshitake GD-26G, 27G

Example.
Selection of the nominal size of the pressure reducing valve: inlet pressure (P1) - 0.3 MPa, outlet pressure (P2) - 0.2 MPa, flow rate - 200 m3 / h (standard conditions). First you need to find the intersection point (a) of the inlet pressure graph (P1) for 0.3 MPa with the outlet pressure graph (P2) for 0.2 MPa. From this point a line should be drawn down to the intersection (b) with a flow characteristic of 200 m3 / h (standard conditions). Since the point of intersection (b) lies between the sizes 25A and 32A, the larger of the two, 32A, must be selected.
* 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 air Yoshitake GD27G

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