Products Description
The Pilot Operated Flanged Adjustable Pressure Reducing Valve is a high-precision automatic pressure regulation valve engineered for industrial steam, water and gas pipeline systems. Featuring a advanced pilot control structure and standard flanged connection, this valve accurately reduces high inlet pressure to a stable, adjustable outlet pressure. Compared with direct-acting pressure reducing valves, the pilot type delivers higher regulation sensitivity, larger flow capacity and extremely stable pressure output under fluctuating flow and load conditions. It ensures safe, efficient and continuous pressure stabilization for various industrial process pipelines.
Key Features
High-precision Pilot Pressure Regulation
Adopts pilot diaphragm sensing and control mechanism, achieving ultra-stable downstream pressure with tiny pressure deviation. Perfect for working conditions requiring strict pressure control.
01
Stepless Adjustable Pressure
The outlet pressure can be continuously adjusted on-site according to actual pipeline demand, supporting flexible pressure setting for different working loads.
02
Standard Flange Connection
Designed with integral flanged ends for fast, stable and leak-proof pipeline installation. Easy for assembly, disassembly and daily maintenance.
03
Excellent Adaptability for Complex Conditions
Works stably under varying flow rates and inlet pressure fluctuations, avoiding frequent pressure drift and ensuring long-term reliable operation.
04
Technical Specifications
|
Product Name |
Pilot Operated Flanged Adjustable Pressure Reducing Valve |
|
Connection Type |
Flange (ANSI B16.5 / GB Standard) |
|
Body Material |
WCB Carbon Steel, CF8, CF8M Stainless Steel |
|
Applicable Media |
Steam, hot water, compressed air, non-corrosive gas |
|
Size Range |
DN25 – DN300 |
|
Working Temperature |
-20℃ ~ 350℃ |
|
Pressure Class |
PN16, PN25, PN40 / Class150, Class300 |
Application Scope
This pilot operated pressure reducing valve is widely used in thermal power plants, industrial heating systems, petrochemical plants, textile factories, food and pharmaceutical industries, central air conditioning systems and municipal pipeline projects. It effectively stabilizes pipeline pressure, protects downstream equipment and ensures safe and standardized system operation.
Working Principle
The pilot valve acts as the precision pressure sensing unit. By adjusting the pilot spring pressure, users can set the required downstream pressure. When the pipeline pressure fluctuates, the pilot assembly automatically adjusts the opening of the main valve, balances the fluid flow, and maintains the outlet pressure within a constant and stable range, realizing automatic and continuous pressure reduction and stabilization.
Certifications
FAQ
Q: What is the advantage of pilot operated pressure reducing valve?
A: It features higher regulation accuracy, larger flow capacity and more stable pressure performance than direct-acting valves, especially suitable for large flow and pressure-sensitive industrial pipelines.
Q: Can the outlet pressure be adjusted during operation?
A: Yes. The valve supports stepless on-site pressure adjustment to meet different working condition requirements.
Q: What kinds of media can this valve handle?
A: It is mainly applicable for steam, hot water, compressed air and other non-corrosive media. Custom materials are available for weak corrosive fluids.
Q: Is custom size and pressure class available?
A: Yes. We provide customized caliber, pressure grade and material solutions for special working conditions.
Q: What standards do your flanges comply with?
A: Our valves support international ANSI Class and domestic GB PN standards to match global pipeline projects.
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