Usage Of The Product; Specifications - Yoshitake GD-26 Series Product Manual

This product can be used for a wide range of pressure control in a water supply system and others for the
general households, multistoried buildings, industrial plants, and plant facilities.

2.1 Specifications

Model
Nominal size
Application
Inlet pressure
A
Reduced
pressure
B
Min. differential
pressure
Max. pressure
reduction ratio
Max.
temperature
Body
Valve seat
Valve disc
Diaphragm
Pipe end core
Connection
* The maximum differential pressure of the products of 125A and 150A is 0.8 MPa.
The products of the nominal size 15A to 50A incorporate a strainer (40 mesh).
Pressure gauge connection port is JIS R1/8.
All the above models conform to the standard of the Japanese Water Supply Act.
Available with GD-26-NED and GD-27NED with wetted parts made of stainless steel.

1. Usage of the Product

GD-26-NE GD-27-NE
15A - 50A 25A - 100A
1.0 MPa or less
0.05 - 0.35 MPa
0.30 - 0.70 MPa
90°C
FKM
EPDM
JIS Rc
screwed
2. Specifications
GD-27-N
125, 150A
Cold and hot water
0.05 - 0.20 MPa
0.20 - 0.50 MPa
0.05 MPa
10:1 *
80°C
CAC406
CAC406
NBR
NBR
None
JIS 10K FF
flanged
1
GD-27F-N GD-28-NE
15A - 50A
1.6 MPa or less
0.05 - 0.35 MPa
0.30 - 0.70 MPa
90°C
FKM
FKM
JIS Rc
screwed
GD-29-NE
25A - 100A
EPDM
JIS 16K FF
flanged
PDT-008o