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Air pressure reducing valve Yoshitake GP-1000T

Air pressure reducing valve Yoshitake GP1000T
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  • Manufacturer: Yoshitake (Japan)
  • Material: brass, stainless steel, bronze or brass
  • Action type: pilot operated
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  • Specifications
  • Description
  • Dimensions and weight
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Model GP-1000T GP-1010T GP-1200T GP-1210T
Application Air, non-hazardous liquids
Inlet pressure 0.1-1.0 MPa
Low pressure 0.05-0.9 MPa
Up to 90% of inlet pressure (gauge)
Min. differential pressure 0.05 MPa
Max. coeff. pressure reduction 20: 1
Operating temperature 5-80 ° C
Valve seat leaks No
Material Frame Malleable cast iron
Valve Brass (NBK plated)
Valve seat Stainless steel
Plunger, cylinder Bronze or brass
Membrane Stainless steel
Compound Flanged JIS 10K FF Threaded Rc JIS Flanged JIS 10K FF Threaded Rc JIS

Available with stainless steel shut off parts (plug, cylinder and valve) (GP- □□□□ TS models).

  1. Highest efficiency and reliability compared to conventional pressure reducing valves.
  2. Zero seat leakage. High precision manufacturing of moving parts provides increased work efficiency.
  3. Simple and reliable design of internal parts.
Nominal size L H 1 H The weight
15A 150 64 285 (220) 8.0
20A 155 64 285 (220) 8.5
25A 160 67 300 (235) 10.0
32A 190 82 323 (258) 14.0
40A 190 82 323 (258) 14.5
50A 220 93 347 (282) 20.0
65A 245 100 357 (292) 30.0
80A 290 122 404 (339) 35.0
100A 330 144 450 (385) 52.5

схемы Yoshitake GP-1000T, Yoshitake GP-1200T

Nominal size d L H 1 H The weight
15A Rc 1/2 150 64 285 (220) 7.0
20A Rc 3/4 155 64 285 (220) 7.0
25A Rc 1 160 67 300 (325) 8.5
32A Rc 1-1 / 4 190 82 323 (258) 12.0
40A Rc 1-1 / 2 190 82 323 (258) 12.5
50A Rc 2 220 93 347 (282) 18.0

схемы Yoshitake GP-1010T, GP-1210T

Nominal size L H 1 H The weight
15A 150 67 288 (298) 8.3 (8.5)
20A 155 67 288 (298) 8.8 (9.0)
25A 160 70 303 (313) 10.5 (10.7)
32A 190 85 326 (336) 14.8 (15.0)
40A 190 85 326 (336) 15.3 (15.5)
50A 220 96 350 (360) 20.8 (21.0)

схемы Yoshitake GP-1000TSS, GP-1000TAS

■ Dependence of the set pressure on the pneumatic load pressure

Редукционный клапан для воздуха Yoshitake GP-1000T

In the general case, the dependence of the setting pressure on the air pressure of the pneumatic load is as follows. The set pressure may vary slightly depending on the operating conditions. In this case, it is necessary to correct the pneumatic load pressure.

Редукционный клапан для воздуха Yoshitake GP-1000T

Find the intersection point between the inlet and reduced pressure values. If the intersection point is in zone (A), the outlet pressure is regulated. If the point of intersection is in zone (B), the valve is not suitable for the given operating conditions.

Редукционный клапан для воздуха Yoshitake GP-1000T

If the inlet pressure is greater than 0.7 MPa and the pressure reduction ratio is greater than 10: 1, the correction factor should be determined from the above graph and multiplied by the Cv value.
Example
Choose a pressure reducing valve with an inlet pressure of 0.8 MPa and a reduced pressure of 0.05 MPa. Find the point of intersection (A) of the inlet pressure with the outlet pressure graph on the graph and draw a horizontal line from it to the intersection with the vertical axis.
The correction factor will be 0.85. For a nominal size of 25A, the corrected Cv value is determined by the formula: 4 (nominal Cv value) 0.85 (correction factor) = 3.4

GP-1000T Series Valve Selection Charts

Редукционный клапан для воздуха Yoshitake GP-1000T

This graph shows the dependence of the reduced pressure when the pressure at the valve inlet changes from 0.3 MPa to 1 MPa
at a set reduced pressure of 0.1 MPa.

Sizing charts (liquid: 20 ˚C, air)

Редукционный клапан для воздуха Yoshitake GP-1000T

Example 1
When sizing the pressure reducing valve at inlet pressure (P1), outlet pressure (P2) and flow rates of 0.6 MPa, 0.4 MPa and 1,000 m3 / h, respectively (standard conditions), first find the intersection point (a ) pressure lines at the inlet 0.6 MPa and pressure at the outlet 0.4 MPa. From this point, draw a line down to the intersection (b) with a flow characteristic of 1000 m3 / h (standard conditions). Since the intersection point (B) lies between sizes 40A and 50A, the larger of the two, 50A, must be selected.
Example 2
Selection of the nominal size of the pressure reducing valve: inlet pressure (P1) - 0.8 MPa, outlet pressure (P2) - 0.05 MPa, flow rate - 800 m3 / h (standard conditions). First you need to find the point of intersection (C) of the inlet pressure graph (P1) for 0.8 MPa with an oblique line. From this point, draw a line to the left until it intersects with the 0.05 MPa outlet pressure line at point (D). From point (D), draw a line down to the intersection (E) with a flow line of 800 m3 / h (standard conditions). Since the intersection point (E) is between dimensions 32A and 40A, choose the larger of the two, 40A. * 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
Air pressure reducing valve Yoshitake GP1000T

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