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Yoshitake GD-20R Valve – Primary Pressure Regulating Valve for Industrial Precision
- Luis Alberto Fing
- Feb 16
- 2 min read
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Introduction
Maintaining stable upstream pressure is critical in industrial fluid systems to ensure operational safety, equipment longevity, and process efficiency. The Yoshitake GD-20R Primary Pressure Regulating Valve is engineered to deliver consistent pressure control in demanding applications involving cold and hot water, air, and non-dangerous fluids.
Designed with advanced diaphragm technology and robust Japanese engineering standards, this valve provides reliable performance across a wide range of industrial environments.
Overview of the Yoshitake GD-20R Valve
The Yoshitake GD-20R Valve is a direct-acting, diaphragm-type primary pressure regulating valve developed for stable upstream pressure regulation.
Key Features
Single-seat valve design ensuring no leakage when fully closed
Large diaphragm for responsive pressure fluctuation control
Stable shut-off performance
Suitable as a relief valve for pumps
Maintains piping pressure during pump operation
Available internal/external coating options for enhanced corrosion resistance
The GD-20R offers precise pressure control even under fluctuating system loads, making it ideal for industrial fluid management systems.
Technical Specifications of the Yoshitake GD-20R Valve
Category | Specification |
Application Range | Cold and hot water; Air; Kerosene (heavy oils A and B); Other non-dangerous fluids |
Pressure Regulating Range (15A–80A) | 0.05–0.25 MPa / 0.26–0.7 MPa |
Pressure Regulating Range (100A–150A) | 0.05–0.25 MPa / 0.26–0.5 MPa |
Fluid Temperature | 5–80°C |
Fluid Viscosity | Up to 600 cSt (for oil applications) |
Body Material | Ductile cast iron (FCD450) |
Valve Seat Material | Stainless steel or bronze |
Valve Disc Material | NBR |
Diaphragm Material | NBR |
Connection Type | JIS 10K FF flanged |
Nominal Sizes | 15A to 150A |
This structured specification table allows engineers and procurement teams to quickly evaluate the Yoshitake GD-20R Valve for both mid-size and large-scale piping systems.
Why Choose the Yoshitake GD-20R Valve for Industrial Systems?
Industrial operators require:
Consistent upstream pressure control
Reduced pressure fluctuations
Equipment protection from pressure surges
Corrosion-resistant internal components
Long service life with minimal maintenance
The Yoshitake GD-20R Valve addresses these needs through its diaphragm-based control system and precision-manufactured components.
Its internal coating options, including electro-deposition and Nylon 11 surface treatment (GD-20RC variant), further enhance durability in challenging operating environments.
Applications Across Industries
The GD-20R is suitable for:
Water distribution systems
Industrial pumping stations
HVAC installations
Process fluid control lines
Utility systems in manufacturing plants
Its ability to stabilize piping pressure during pump shut-off or load changes makes it especially valuable in systems where pressure spikes can cause operational disruptions.
Official Documentation
For complete technical reference, please consult the following documentation:
Official Catalog : Access the official product catalog for full specifications, material details, pressure ranges, and application guidance.
Official Drawing : Review the official dimensional drawing for installation planning, piping layout design, and integration into existing steam systems.
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