Primary Pressure Regulating Valve GD-7R by Yoshitake | Precision Flow Control
- Luis Alberto Fing

- Feb 16
- 2 min read
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Introduction
In modern industrial systems, stable pressure control is essential for safety, equipment longevity, and operational efficiency. The Yoshitake GD-7R Valve is a high-performance Primary Pressure Regulating Valve engineered to deliver accurate and reliable pressure control for water, oil, and non-dangerous fluids.
Designed with Japanese precision engineering, the GD-7R ensures consistent downstream pressure while minimizing maintenance requirements—making it an ideal solution for engineers, plant operators, and procurement professionals seeking dependable regulation performance.

Yoshitake GD-7R Valve – Engineered for Stable Pressure Control
The Yoshitake GD-7R Valve is a piston-type, direct-acting primary pressure regulator designed for simplicity, durability, and efficient operation.
Key Features
Simple internal structure for easy maintenance
Reduced failure risk due to robust piston design
Superior performance as a relief unit for lubricating and heavy oil
Stable pressure regulation with minimal fluctuation
High seat tightness (leakage 0.5% or less of rated flow rate)
This combination of structural simplicity and high control accuracy makes it suitable for demanding industrial environments.
Technical Specifications of the Yoshitake GD-7R Valve
Specification Category | Details |
Applications | Cold and hot water; Oil; Other non-dangerous fluids |
Nominal Sizes | 20A to 150A |
Pressure Regulating Range | 0.05–0.2 MPa; 0.25–0.45 MPa; 0.45–0.7 MPa |
Fluid Temperature | 5–80°C (standard); Up to 120°C (optional specification) |
Body Material | Cast iron |
Valve Disc & Seat | Bronze (stainless steel option available) |
Flange Standard | JIS 10K FF |
The Yoshitake GD-7R Valve also features strong accumulation control performance, ensuring minimal pressure deviation across various flow rates.

Performance and Size Selection Guidance
The GD-7R is engineered to maintain stable inlet-to-outlet differential pressure across varying flow demands. Its flow characteristics allow accurate sizing using differential pressure and required flow rate parameters.
Available in a wide range of sizes from 20A to 150A, the valve supports small distribution lines as well as large-scale industrial piping systems.
This flexibility makes the Yoshitake GD-7R Valve suitable for:
Manufacturing plants
Heavy machinery lubrication systems
Water supply networks
Process industries
Why Choose Yoshitake Pressure Regulation Solutions?
Yoshitake is known globally for precision-engineered industrial valves designed to meet stringent industrial requirements. The GD-7R model reflects this commitment through:
Consistent downstream pressure control
Durable piston mechanism
Low maintenance structure
Reliable performance in oil applications
For engineers and procurement managers, selecting the right pressure regulator means ensuring system stability, cost efficiency, and long-term reliability.
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.
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