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Primary pressure control valve Yoshitake GD-7R

Primary pressure control valve Yoshitake GD7R
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  • Manufacturer: Yoshitake (Japan)
  • Material: cast iron, bronze
  • Action type: direct action

Delivery

  • Pickup from a warehouse in Kiev
  • New Mail - 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
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  • Description
  • Specifications
  • Dimensions (mm) and weight (kg)
  • Equipment selection schedule
  • Delivery
  • Payment
  1. Simple design, less prone to failure, easy maintenance.
  2. Excellent performance especially as a bleeder for oil lubricants and heavy petroleum products.
Application Cold and hot water, oil, other non-hazardous liquids
Nominal size 20A-50A 65A-150A
Pressure regulation range 0.05-0.25 MPa 0.25-0.45 MPa 0.45-0.7 MPa * 1 0.05-0.2 MPa 0.2-0.5 MPa 0.5-0.7 MPa * 1
Liquid temperature 5-80 ˚C * 2
Leaking valve seat No more than 0.5% of nominal flow
Fluid viscosity No more than 700 cSt
Material Frame Cast iron
Valve plug, valve seat Phosphor Bronze * 3
Plunger Bronze
Compound Flange connection JIS 10K FF

*1. The GD-7RH cast steel version is available, with a pressure regulation range of 0.7-1.6 MPa.

* 2. Available with a maximum operating temperature of 120 ˚C.

* 3. Available with steel plug and seat.

Nom. the size L H H 1 The weight
20A 170 535 95 twenty
25A 170 535 95 22
32A 180 545 100 23
40A 180 545 100 23
50A 180 565 110 26
65A 215 680 125 41
80A 260 700 135 51
100A 300 750 160 66
125A 360 810 190 90
150A 382 875 220 129

схема Yoshitake GD-7R

Flow characteristics graph

График характеристик расхода GD-7R

Nom. the size Setting range MPa Accumulation MPa
20A-50A 0.05-0.25 no more than 0.04
0.25-0.45 no more than 0.06
0.45-0.7 no more than 0.08
0.7-1.6 no more than 0.23
65A-150A 0.05-0.2 no more than 0.1
0.2-0.5 no more than 0.14
0.5-0.7 no more than 0.19
0.7-1.6 no more than 0.18

■ Sizing diagram (for water)

Диаграмма подбора номинального размера (для воды) GD-7R

  • Pickup from a warehouse in Kiev
  • New Mail - at the rates of the delivery service
  • SAT - at the rates of the delivery service
  • Deliveri - at the rates of the delivery service
  • Cashless payment with VAT
  • Online Privat24, Visa / MasterCard
Primary pressure control valve Yoshitake GD7R

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