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Yoshitake GD-4R Valve – Primary Pressure Regulating Valve for Industrial Air Systems
- Luis Alberto Fing
- Feb 16
- 2 min read
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Introduction
In industrial air and gas systems, maintaining stable and precise pressure control is essential for safety, efficiency, and equipment longevity. The Yoshitake GD-4R Valve is engineered to deliver accurate primary pressure regulation for air and other non-dangerous fluids across a wide range of industrial applications.
Designed with advanced diaphragm technology and manufactured under Japan’s strict quality standards, the GD-4R model ensures dependable performance in demanding plant environments worldwide.
This article aims to increase product awareness and generate qualified inquiries from engineers, plant managers, and procurement professionals seeking reliable Japanese pressure regulation solutions.
Overview of the Yoshitake GD-4R Valve
The Yoshitake GD-4R Valve is a direct-acting, diaphragm-type primary pressure regulating valve developed for precise low-pressure air and gas control.
Key Functional Features
Designed for slight pressure air and non-hazardous gases
Large diaphragm sensing area for high set-pressure accuracy
No gland structure, preventing external leakage
Stable pressure regulation performance
Suitable for industrial plant installations
Its diaphragm construction provides enhanced sensitivity and reliable regulation even in low-pressure ranges.
Technical Specifications of the Yoshitake GD-4R Valve
Category | Specification |
Applications | Air / Other non-dangerous fluids |
Nominal Sizes | 20A to 150A |
Pressure Regulating Range (kPa) | 2–5 / 5–10 / 10–25 / 20–50 / 50–100 / 100–200 |
Shut-off Pressure Drop | Within 10% of set pressure (20A–50A) / Within 15% of set pressure (65A–150A) |
Accumulation | Within 25% of set pressure (20A–50A) / Within 30% of set pressure (65A–150A) |
Valve Seat Leakage | Minimal leakage |
Body Material | Cast iron |
Valve / Seat / Spindle | Stainless steel |
Diaphragm | NBR |
Connection | JIS 10K FF flanged |
This configuration ensures corrosion resistance, mechanical durability, and long-term operational stability.
Advantages of the Yoshitake GD-4R Valve for Industrial Engineers
High Precision Regulation
The large diaphragm sensing area allows the Yoshitake GD-4R Valve to maintain accurate downstream pressure, minimizing fluctuation and improving process consistency.
Reliable Industrial Construction
With stainless steel internal components and robust cast iron body construction, the valve withstands continuous plant operation conditions.
Leakage Prevention Design
The absence of gland parts eliminates the risk of external leakage, enhancing operational safety.
Wide Size and Flow Selection
Available from 20A to 150A, supported by nominal size selection charts for air applications, allowing engineers to choose the optimal configuration for their system requirements.
Typical Industrial Applications
Compressed air distribution systems
Manufacturing plants
Process control lines
Utility air management systems
Industrial gas regulation (non-hazardous)
The Yoshitake GD-4R Valve is particularly suitable for facilities requiring stable low-pressure air control without complex pilot systems.
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 systems.
Nichiboku Worldwide Supply Support
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