Flow Rate Characteristics Chart; Pressure Characteristics Chart - Yoshitake GD-26G Product Manual

Nominal size selection calculation formula
[Cv value calculation formula]
P
1
P
2
2
P
1
P
2
2
Nominal size
Rated Cv value

1.3 Flow rate characteristics chart

Set pressure

1.4 Pressure characteristics chart

This chart shows variation in the reduced pressure when the inlet pressure of 0.60 MPa is changed
between 0.15 MPa and 1.0 MPa after the reduced pressure is set at 0.10 MPa.
Q ( 273 t)G
Cv
2940 P(P
1
Q ( 273 t)G
Cv
2550 P
1
15A 20A
2 2.3
Shut-off pressure rise
(0.02 MPa or less)
Flow rate
Inlet pressure (MPa)
P )
2
25A 32A 40A
3.5 6 7
Offset
Offset
3
Q: Max. Fluid flow rate
3
[m /h (standard condition)]
P : Inlet pressure [MPa･A]
1
P : Reduced pressure [MPa･A]
2
－P
ΔP: P [MPa]
1 2
G: Specific gravity
(Specific gravity per air)
t: Fluid temperature [℃]
50A 65A 80A
11 21 26
Pressure Reduced
range pressure range
A 0.05 - 0.35 MPa
B 0.30 - 0.70 MPa
100A
38
Offset
0.05 MPa
or less
0.10 MPa
or less
■ EP D T-088■