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1. Specifications
[Models]
Model
Nominal pressure
GPK-2001
GPK-2003
[Specifications]
Model
Reduced pressure
sensing method (*1)
Connection
Nominal size
Fluid
Inlet pressure
Reduced pressure
System air pressure
Min. differential
pressure
Max. pressure reducing
ratio
Max. temperature
Valve seat leakage
Body
Main valve
Main valve seat
Pilot valve
Pilot valve seat
Diaphragm
(*1) For reduced pressure sensing method, internal sensing method valves will be
available upon request.
Caution
(1) Please collate with attached nameplate and specification of ordered model.
* Please consult factory in case they do not match each other.
Connection
Screwed
2.0 MPa
Flanged
1.0 MPa
Screwed
2.0 MPa
Flanged
1.0 MPa
GPK-2001
JIS Rc screwed, JIS 20K RF flanged, JIS 10K FF flanged
15 ~ 50A (Screwed), 15 ~ 100A (Flanged)
0.1 ~ 2.0 MPa (JIS Rc, JIS 20K)
0.1 ~ 1.0 MPa (JIS 10K)
0.05 ~ 0.9 MPa (JIS Rc, JIS 20K)
0.05 ~ 0.85 MPa (JIS 10K)
85% or less of inlet pressure (gauge pressure)
Refer to Standard "Loading pressure - Set pressure" chart line.
20: 1
The ratio of control pressure
Nominal size
15 ~ 50A
15 ~ 100A
15 ~ 50A
15 ~ 100A
External sensing
Steam
0.25 ~ 2.0 MPa (JIS Rc, JIS 20K)
0.25 ~ 1.0 MPa (JIS 10K)
0.2 ~ 1.4 MPa (JIS Rc, JIS 20K)
0.2 ~ 0.85 MPa (JIS 10K)
0.05 MPa
220 °C
0.01% or less of rated flow
Ductile Cast iron
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
-1-
to setting pressure
1: 1
1: 3.5
GPK-2003
10: 1
■EPDT-098a■
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