Yoshitake Control Valves / Pressure Reducing Valves

Model comparison

Compare only the points that determine the choice: function or construction, applicable medium, operating range, body material, and connection or nominal size. Open the model page to confirm the full specification.

Model	Key selection point	Medium	Operating range	Body material	Connection / size
GP-1000	Pilot-Operated Steam Pressure Reducing Valve	Steam	0.1 - 1.0 MPa (Standard) 220℃	—	JIS 10K FF Flanged; Standard, JIS 10K FF flanged
GP-1010	Pilot-Operated Pressure Reducing Valve for Steam	Steam	0.1 - 1.0 MPa 220°C	—	JIS Rc Screw; JIS Rc screwed, Ductile cast iron body
GP-1000SS	Pressure Reducing Valve for Steam	Steam	0.1-1.0 MPa 220°C	—	JIS 10K FF flanged; Stainless steel wetted parts
GP-1000H	GP-1000HEN Pilot-Operated Pressure Reducing Valve	Steam	0.1 - 1.6 MPa 220°C	Ductile cast iron	JIS 16K FF flanged / ASME Class 300 flanged connection
GP-1002	Pilot-Operated Pressure Reducing Valve for Steam	Steam	0.1-0.5 MPa 220°C	Ductile cast iron	JIS 10K FF flanged; 0.1-0.5 MPa inlet, JIS 10K FF flanged
GP-1012	—	Steam	0.1 - 1.0 MPa (Standard) 220℃	—	JIS 10K FF Flanged; Low pressure, JIS Rc screwed
CP-2001	Combination Valve	Steam	0.1-1.0 MPa 183℃	—	JIS Rc screwed / JIS 10K flanged; 0.1-1.0 MPa inlet, Steam
CP-2002	Combination Valve for Steam	Steam	0.1 - 1.0 MPa 183℃	—	Combination valve for steam
CP-2003	Steam Combination Valve	Steam	0.1 - 1.0 MPa 183°C	—	Screwed 15A-50A / Flanged 15A-100A
CP-2004 Screwed	—	Steam	0.1 - 1.0 MPa 183°C	Ductile cast iron	JIS Rc screwed, JIS 10K flanged; JIS Rc screwed connection, 15A-50A
CP-2004 Flanged	—	Steam	0.1 - 1.0 MPa 183°C	Ductile cast iron	JIS Rc screwed, JIS 10K flanged; JIS 10K flanged connection, 15A-100A
GD-15	GD-15C Low-Noise Water Pressure Reducing Valve	City water	0.1-1.0 MPa 5-60°C	—	JIS Rc screwed; Standard low-noise pressure reducing valve
GD-15C	GD-15, 15C Low-Noise Pressure Reducing Valves	City water	0.1-1.0 MPa 5-60°C	—	JIS Rc screwed; 15A: Rc 1/2 connection, 0.87 kg weight; 20A: Rc 3/4 connection, 0.87 kg weight
GD-17	Pressure Reducing Valve	—	—	—	Rc Threaded (Rc 1/2, Rc 3/4, Rc 1); 15A: Rc 1/2 connection, 90mm length; 20A: Rc 3/4 connection, 90mm length; 25A: Rc 1 connection, 110mm length
GD-200	Pressure Reducing Valve, Ductile Cast Iron	—	1.0 MPa (GD-200) / 2.0 MPa (GD-200H)	Ductile Cast Iron	JIS 10K FF / 20K RF; 1.0 MPa max inlet pressure, cold/hot water, oil, air
GD-200C-N	—	—	1.0 MPa (GD-200) / 2.0 MPa (GD-200H)	Ductile Cast Iron	JIS 10K FF / 20K RF; Nylon 11 coated, cold/hot water, JWWA approved
GD-200H	Pressure Reducing Valve, JIS 20K RF Flanged, 2.0 MPa Inlet	Cold and hot water, Oil (kerosene, heavy oils A and B), Air, Other non-dangerous fluids	2.0 MPa or less 5-80°C	Ductile cast iron	JIS 20K RF flanged; 15A-150A, JIS 20K RF
GD-24	Water Pressure Reducing Valve	Cold and hot water, Flushing water	0.2-1.6 MPa 5-80°C	Bronze / Cast bronze	JIS Rc screwed; Standard pressure reducing valve
GD-24G	—	Cold and hot water, Flushing water	0.2-1.6 MPa 5-80°C	Bronze / Cast bronze	JIS Rc screwed; With D-type 1.0MPa pressure gauge
GD-24S	—	Cold and hot water, Flushing water	0.2-1.6 MPa 5-80°C	Bronze / Cast bronze	JIS Rc screwed; With strainer (SY-24, 60 mesh)
GD-24GS	Pressure Reducing Valve (Bronze, Water)	Hot or cold water	0.2~1.6 MPa 5~80 ℃	Bronze	15A: JIS Rc connection; 20A: JIS Rc connection; 25A: JIS Rc connection; 32A: JIS Rc connection; 40A: JIS Rc connection; 50A: JIS Rc connection
GD-25GJ-K	Water Pressure Reducing Valve	City water	1.0 MPa or less 5-90℃ (GD-25GJ-K) / 5-40℃ (GD-25GJ-L)	—	JIS Rc 1 screwed (union joint); For general piping, 5-90℃ fluid temperature
GD-25GJ-L	—	City water	1.0 MPa or less 5-90℃ (GD-25GJ-K) / 5-40℃ (GD-25GJ-L)	—	JIS Rc 1 screwed (union joint); Built-in pipe end core, 5-40℃ fluid temperature
GD-26-NE	Pressure Reducing Valve	Cold and hot water	1.0 MPa or less 5 - 90°C	Cast Bronze (NPb-treated)	JIS Rc screwed; 15A: Rc 1/2; 20A: Rc 3/4; 25A: Rc 1; 32A: Rc 1-1/4; 40A: Rc 1-1/2; 50A: Rc 2

Process scope

Yoshitake pressure-reducing valves span direct-operated, pilot-operated, air-service, water-service, stainless-steel, and solenoid-assisted steam configurations. Select first by medium and required inlet-to-outlet pressure range, then by flow capacity, required control stability, material, connection, and failure response.

Project-specific checks

Provide inlet pressure, desired reduced pressure, minimum differential pressure, and the full flow range including start-up.
State medium quality, temperature, condensate handling, dirt protection, and required downstream safety relief.
Confirm connection, material, shutoff/leakage requirement, sensing line, and installation orientation.
For electrically assisted designs, specify voltage, control logic, and required response on power loss.

Final verification

This guide groups local Yoshitake catalogue pages for preliminary engineering review. The model-specific Yoshitake documentation, sizing calculation, materials confirmation, and applicable site requirements control the final order and installation decision.

Available models

Open a model page for specifications, connection options and technical documents.

Yoshitake GP-1000 Pilot-Operated Steam Pressure Reducing Valve

Pressure Reducing ValvesPilot-Operated

Model comparison

Process scope ​

Project-specific checks ​

Final verification ​

Available models

GP-1000 Pilot-Operated Steam Pressure Reducing Valve

CP-2001 Combination Valve

CP-2002 Combination Valve for Steam

CP-2003 Steam Combination Valve

CP-2004 Combination Valve with ON-OFF Control

GD-15, GD-15C Low-Noise Water Pressure Reducing Valve

GD-15C GD-15, 15C Low-Noise Pressure Reducing Valves

GD-17 Pressure Reducing Valve

GD-200 Pressure Reducing Valve, Ductile Cast Iron

GD-200H Pressure Reducing Valve, JIS 20K RF Flanged, 2.0 MPa Inlet

GD-24 Water Pressure Reducing Valve

GD-24GS Pressure Reducing Valve (Bronze, Water)

GD-25GJ-K Water Pressure Reducing Valve

GD-26-NE Pressure Reducing Valve

GD-26G Direct Type Pressure Reducing Valve

GD-26GS Direct Type Pressure Reducing Valve, Stainless Steel

GD-26S-NE Direct Type Pressure Reducing Valve

GD-26S Series Direct Type Pressure Reducing Valve

GD-27-NE Pressure Reducing Valve

GD-27BP Pressure Reducing Valve with By-pass

GD-27G Direct Type Pressure Reducing Valve for Air

GD-27GS Flanged Pressure Reducing Valve for Air and Non-Dangerous Fluids

GD-27S-NE Pressure Reducing Valve for Cold and Hot Water

GD-27S Pressure Reducing Valve for Cold and Hot Water

GD-28-NE Pressure Reducing Valve for Cold and Hot Water

GD-28S-NE, GD-29S-NE Pressure Reducing Valve

GD-28S Pressure Reducing Valve

GD-29-NE Pressure Reducing Valve, 1.6 MPa

GD-29S Pressure Reducing Valve for Water, Max 1.6 MPa

GD-30 Pressure Reducing Valve for Steam

GD-30S Direct Type Pressure Reducing Valve for Steam

GD-400 / GD-400SS Pressure Reducing Valve for Air and Nitrogen

GD-400SS Pressure Reducing Valve

GD-41 Direct Type Pressure Reducing Valve

GD-41G Pressure Reducing Valve for Air and Gases

GD-41N Direct Type Pressure Reducing Valve for Water

GD-43-10 Pressure Reducing Valve for Water and Steam

GD-43-20 Pressure Reducing Valve for Water and Steam

GD-43G-10 Pressure Reducing Valve for Air and Steam

GD-43G-20 Direct Type Pressure Reducing Valve

GD-43N-10 Pressure Reducing Valve (Stainless Steel, JWWA Approved)

GD-43N-20 Direct Type Pressure Reducing Valve for Cold and Hot Water

GD-45 / GD-45P Direct-Acting Pressure Reducing Valve for Steam

GD-45P Pressure Reducing Valve with Bellows

GD-46KK Water Pressure Reducing Valve (GD-46 Series)

GD-46LL GD-46 Series Water Pressure Reducing Valve

GD-46PP Water Pressure Reducing Valve

GD-46SP Water Pressure Reducing Valve

GD-4B Pressure Reducing Valve

GD-55-80 Water Pressure Reducing Valve

GD-55R-80 Water Pressure Reducing Valve

GD-56-80, GD-55-80 Water Pressure Reducing Valve

GD-56R-80 Home Boiler Regulator

GD-6 Pressure Reducing Valve

GD-6N Pressure Reducing Valve

GD-7 Pressure Reducing Valve

GD-7B Pressure Reducing Valve for Water and Oil

GD-8N Pressure Reducing Valve, Stainless Steel (SUS316)

GD-91R-80 Home Boiler Regulator (Water Pressure Reducing Valve)

GD-9N Pressure Reducing Valve for Air and Non-Dangerous Fluids

GDK-2000 Steam Pressure Reducing Valve, 10:1 Ratio

GP-1000AS Pressure Reducing Valve

GP-1000EN Steam Pressure Reducing Valve, Ductile Cast Iron

GP-1000H / GP-1000HEN Pilot-Operated Pressure Reducing Valve

GP-1000HEN Pressure Reducing Valve for Steam

GP-1000S Pilot-Operated Steam Pressure Reducing Valve

GP-1000SS Pressure Reducing Valve for Steam

GP-1000T Pressure Reducing Valve for Air and Gases, 0.1-1.0 MPa

GP-1000TS Pressure Reducing Valve for Air

GP-1000TSS Pressure Reducing Valve for Air and Gases

GP-1001 Pressure Reducing Valve for Steam with Handle

GP-1002 Pilot-Operated Pressure Reducing Valve for Steam

GP-1010 Pilot-Operated Pressure Reducing Valve for Steam

GP-1010S Pressure Reducing Valve

GP-1010T Pilot-Operated Pressure Reducing Valve

Process scope

Project-specific checks

Final verification