GD-20RC Pressure Regulating Valve by Yoshitake

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Introduction

In industrial fluid control systems, stable and precise pressure regulation is essential to ensure operational safety, equipment longevity, and energy efficiency. The GD-20RC Primary Pressure Regulating Valve by Yoshitake is engineered to deliver consistent downstream pressure control for cold and hot water, oil, air, and other non-dangerous fluids.

Designed with advanced diaphragm technology and corrosion-resistant construction, this model provides reliable performance across a wide range of industrial applications.

Yoshitake GD-20RC: Precision diaphragm pressure regulating valve for efficient control in industrial water, air, and oil systems.

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Engineered Precision for Reliable Pressure Control

The GD-20RC Pressure Regulating Valve is built to maintain constant outlet pressure despite upstream pressure fluctuations or flow variations. It is ideal for pump systems, piping networks, and building equipment requiring dependable pressure stabilization.

Key Features

• Tight shut-off design with single-seat valve and valve disc to prevent leakage when closed

• Large diaphragm ensures responsive and stable pressure regulation

• Maintains internal pressure constant during excess pressure caused by load fluctuations

• Suitable for sustaining valve applications inside piping systems

• Nylon 11 coating (internal and external surfaces) for enhanced corrosion resistance
  

Technical Specifications of GD-20RC Pressure Regulating Valve

Technical Specifications Table

Category	Specification	Details
Operating Range	Set Pressure Range	0.05–0.25 MPa / 0.26–0.7 MPa
	Fluid Temperature	5–60°C
	Maximum Fluid Viscosity	600 cSt or less
	Maximum Inlet Pressure	1.0 MPa
Construction Materials	Body	Cast iron (FCD450)
	Valve Seat	Stainless steel or bronze
	Valve Disc	NBR
	Diaphragm	NBR
	Internal & External Coating	Nylon 11 (GD-20RC model)
Connection	End Connection	JIS 10K FF flanged
	Nominal Sizes	15A to 150A
Optional Configurations	Optional Materials & Features	FKM components / Stainless steel trim parts / Drain plug / Fully stainless steel construction (upon request)

Engineers inspecting the GD-20RC Pressure Regulating Valve in an industrial piping system to ensure precise pressure control.

Applications Across Industrial Sectors

The GD-20RC Pressure Regulating Valve is widely used in:

• Pump discharge pressure control

• Building water supply systems

• Industrial water treatment lines

• Air regulation systems

• Oil circulation systems (non-hazardous fluids)

Its precise pressure response characteristics and stable accumulation performance ensure consistent system reliability.

Flow Performance & Size Selection

The GD-20RC model includes detailed flow characteristic charts for liquid and air applications, enabling engineers to select the correct nominal size based on:

• Differential pressure (ΔP)

• Flow rate (m³/h)

• Specific gravity

• Inlet and outlet pressure conditions

This ensures optimized system efficiency and accurate pressure regulation.

Why Choose Yoshitake Engineering?

Yoshitake is recognized for its precision diaphragm regulation technology and durable valve construction designed for stable downstream pressure control.

Key technical strengths include:

• Diaphragm-actuated system ensuring consistent pressure under fluctuating conditions

• High shut-off performance with single-seat valve design

• Optimized internal flow structure for accurate response and reduced pressure loss

• Corrosion-resistant coatings for extended service life

• Flexible material configurations to meet fluid compatibility requirements

• JIS-compliant flange standards for reliable system integration

This engineering approach prioritizes durability, stability, and precise control performance in demanding industrial environments.

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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