Nominal Size Selection - Yoshitake GD-28S-NE Product Manual

1.2 Nominal size selection

Procedure of nominal size selection
1. If the differential pressure before and after the valve is 0.15 MPa or more, select the nominal size
from the rated flow table below.
Rated flow table (The pressure difference before and after the product is 0.15 MPa or more)
Nominal size
Rated flow (L/min)
2. If the differential pressure before and after the valve is less than 0.15 MPa, select the nominal size
from the nominal size selection chart (for 20A - 50A, 65A - 100A) below.
Nominal size selection chart
Nominal size 20A - 50A
Nominal
size
15A 20A 25A
30 40 60
Flow rate L/min
32A 40A 50A
100 150 240
Inlet pressure
2
65A 80A 100A
300 450 700
Reduced pressure + 0.1 MPa
Reduced pressure + 0.05 MPa
EPDT-351