Product Description:
The PU225S Series is a 2/2-way, normally closed piston pilot-operated solenoid valve made from brass. It is specially designed to provide reliable ON/OFF control for steam, hot water, compressed air, and various other high-temperature fluids.
Constructed with a sturdy brass body and equipped with PTFE sealing material, this valve ensures excellent leak-tight performance and long-lasting durability, even in demanding steam applications with temperatures reaching up to +185°C. Its piston pilot-operated mechanism requires a minimum differential pressure of 0.05 MPa (0.5 Bar) to function effectively, making it ideal for medium to large diameter piping systems.
The PU225S Series is available with port sizes ranging from 3/8" to 1" and orifice sizes of 13mm and 25mm. This variety allows for superior flow capacity and extended service life, supporting continuous-duty operations in industrial environments. Manufactured in Ningbo, China, and carrying CE certification, this valve is globally recognized for its quality and reliability across diverse industries.
Features:
The piston pilot operated design incorporates pressure-assisted operation, ensuring reliable switching performance with a minimal differential pressure requirement of just 0.05 MPa (0.5 Bar). This feature enhances the efficiency and responsiveness of the valve in various applications.
Featuring a 2/2 way normally closed function, the valve utilizes a spring-return mechanism that keeps it securely closed when de-energized. This fail-safe design guarantees safety and prevents unintended flow in case of power loss.
Constructed from durable forged brass, the valve body offers excellent corrosion resistance and robust structural integrity. This ensures long-lasting service even in demanding environments.
The use of high-temperature PTFE seal material delivers outstanding leak-tight performance, making the valve ideal for steam service applications up to +185°C.
This valve supports a wide operating pressure range from 0.05 to 1.0 MPa (0.5–10 Bar), accommodating diverse system requirements effectively.
It is also compatible with a broad media temperature range, from -10°C to +185°C, making it suitable for both steam and hot water applications.
Available in multiple voltage options—including 12VDC, 24VDC, 24VAC, 110VAC, and 220VAC (50/60Hz)—the valve can seamlessly integrate with various control systems.
For installation flexibility, multiple port sizes are offered: 3/8", 1/2", 3/4", and 1" female threaded connections to fit different piping needs.
CE certification confirms that the valve complies with international safety and quality standards, ensuring reliable performance and user confidence.
Backed by a high production capacity of 200,000 units per month, the manufacturer guarantees a dependable supply to meet bulk order demands.
Technical Parameters:
| Seal Material |
PTFE |
| Valve Type |
2/2 Way, Normally Closed |
| Operation Mode |
Piston Pilot Operated |
| Media Compatibility |
Steam, Hot Water, Compressed Air |
| Port Size |
3/8'', 1/2'', 3/4'', 1'' |
| Orifice Size |
13mm |
| Standard |
220VAC, 110VAC, 24VDC |
| Body Material |
Brass |
| PU225S Series |
PU225S-03 |
PU225S-04 |
PU225S-06 |
PU225S-08 |
| Orifice Size |
13mm |
25mm |
| Port Size |
3/8" |
1/2" |
3/4" |
1" |
| Medium |
Compressed Air, Hot Water, Steam |
| Action |
Piston Pilot Operated |
| NC/NO |
2 Way, Normally Closed |
| Body Material |
Brass |
| Seal Material |
PTFE |
| Pressure Range |
0.5 to 10 bar |
| Temp. Range |
-10 to +185℃ |
| Voltages |
220VAC, 110VAC, 24VDC, the other voltage is optional |
Applications:
Steam Systems
Steam systems encompass various components such as steam distribution lines, steam tracing, sterilization equipment, and process heating solutions. These systems are essential for efficient and reliable steam delivery in industrial environments.
Industrial Heating
Industrial heating involves the supply of boiler steam, the use of heat exchangers, and thermal processing equipment. These elements work together to ensure optimal temperature control and energy efficiency in industrial operations.
Hot Water Systems
Hot water systems focus on the circulation and control of hot water within HVAC installations and building services. Proper management of these systems contributes to effective climate control and comfort.
Compressed Air Systems
Compressed air systems play a critical role in pneumatic control lines and industrial automation. They provide the necessary power for various automated processes and machinery.
Food & Beverage Processing
In the food and beverage sector, steam control is crucial for cooking, pasteurization, and sterilization. These processes ensure product safety and quality through precise temperature regulation.
Textile Industry
The textile industry relies on steam supply for drying, setting, and finishing machines. Steam aids in achieving the desired fabric properties and enhances overall production efficiency.
Chemical Processing
Chemical plants utilize high-temperature fluid and gas control to manage complex reactions and maintain safety. These controls are integral to the processing and manufacturing workflows.
Pharmaceutical Industry
The pharmaceutical industry demands sterile steam and stringent control of high-temperature media to ensure product purity and compliance with regulatory standards.
Support and Services:
Our Pneumatic Solenoid Valve product is backed by comprehensive technical support and services to ensure optimal performance and reliability in your applications.
Technical support is available to assist with installation guidance, operational troubleshooting, and maintenance procedures. Our experts provide detailed information on valve specifications, compatibility, and system integration to help you achieve seamless automation solutions.
We offer product training sessions and detailed documentation, including user manuals, wiring diagrams, and safety instructions to empower your technical team with the knowledge needed for efficient operation.
Maintenance services include routine inspection recommendations, replacement part availability, and repair support to maximize the lifespan and efficiency of your pneumatic solenoid valves.
For customized solutions, we provide consultation services to tailor valve configurations to specific application requirements, ensuring optimal control and performance.
Our commitment is to deliver prompt and effective support, helping you minimize downtime and enhance productivity with our reliable pneumatic solenoid valve products.
Packing and Shipping:
Product Packaging:
The Pneumatic Solenoid Valve is carefully packaged to ensure its safety and integrity during transportation. Each valve is individually wrapped in anti-static bubble wrap and placed inside a sturdy cardboard box. The box is then filled with protective foam inserts to prevent any movement or damage. The outer packaging is labeled clearly with product information, handling instructions, and shipping details.
Shipping:
We offer reliable shipping options to deliver the Pneumatic Solenoid Valve promptly and securely. Packages are shipped via trusted courier services with tracking available for all orders. Standard shipping typically takes 5-7 business days, while expedited options are available upon request. All shipments comply with international shipping regulations to ensure safe delivery worldwide.
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