Reducing valve for steam Yoshitake GD-45

Reducing valve for steam Yoshitake GD45Reducing valve for steam Yoshitake GD45
in stock
Price: specify




  • Manufacturer: Yoshitake (Japan)
  • Material: ductile iron, stainless steel, phosphor bronze
  • Action type: direct action
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  • Specifications
  • Description
  • Dimensions and weight
  • Chart
  • Delivery and payment
Inlet pressure2.0 MPa or less
Reduced pressure(A) 0.02-0.1 MPa (spring color: yellow)
(V) 0.05-0.4 MPa (spring color: blue)
(C) 0.35-1.0 MPa (spring color: yellow-green)
Min. differential pressure0.05 MPa
Max. coeff. pressure reduction10: 1
Maximum temperature220 ° C
Valve seat leaksNot more than 0.1% of nominal flow
MaterialCorpusDuctile iron
Valve, valve seatStainless steel
BellowsPhosphor Bronze
ConnectionJIS Rc Thread

Direct-acting valve of simple design. Best choice for pressure control in branches and upstream of small equipment.

  1. Compact and lightweight.
  2. Simple design and easy maintenance.
  3. Suitable for inlet pressures up to 2.0 MPa.
  4. Filter (60 mesh) installed to protect valve and seat from contamination.
  5. Excellent operability provided by the external pressure bellows of the impulse tube.
Nominal sizedLHH1Weight
15ARc 1/2111216473.2
20ARc 3/4111216473.2
25ARc 1111216473.2

Yoshitake GD-45 schema

Schedule for sizing nominal sizes

Yoshitake GD-45, 45P nominal sizing schedule


When selecting the nominal size of the pressure reducing valve at inlet pressure (P1), reduced pressure (P2) and steam flow, respectively, 1.3 MPa, 0.6 MPa and 200 kg / h, first find the point of intersection of the pressure lines at the inlet 1, 3 MPa and reduced 0.6 MPa. From this intersection point, draw a line downward to find the nominal size with a flow rate of 200 kg / h or more. In this case, the nominal size will be 20A.

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


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Reducing valve for steam Yoshitake GD45

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