Product Description:
PU220 Series – Direct Acting Brass Solenoid Valve
The PU220 Series represents a 2/2-way normally closed, direct-acting solenoid valve designed for dependable ON/OFF control of various neutral fluids, including water, air, and light oil. Built with a sturdy brass body combined with a spring-return mechanism, this valve functions efficiently starting from zero pressure differential, allowing for immediate response even under low-pressure scenarios.
Thanks to its compact and lightweight design, the PU220 series is ideal for installations where space is limited. This series offers port sizes ranging from 1/8" up to 1" and orifice sizes between 1.5mm and 25mm. With minimal leakage and precise media handling, it ensures reliable operation across a diverse range of industrial uses.
PU225 Series – Pilot Operated Brass Solenoid Valve
The PU225 Series is a 2/2-way normally closed pilot-operated solenoid valve, engineered specifically for controlling high-flow water, air, and light oil applications. It features a pressure-assisted piston design that requires a minimum differential pressure of 0.05 MPa (0.5 Bar) to function, making it highly suitable for large-diameter piping systems.
Constructed from durable brass and available with seal materials such as NBR, Viton, or EPDM, this valve provides excellent flow capacity and longevity under demanding industrial conditions. Port sizes range from 3/8" to 2", with orifice sizes reaching up to 50mm, delivering superior CV values for optimal throughput in continuous-duty applications.
Features:
PU220 Series – Direct Acting
The PU220 Series features a direct acting design with a spring-return mechanism, enabling operation from zero pressure differential (0 MPa). This makes it highly versatile across various applications.
Its compact and lightweight construction saves space, allowing for easy installation even in confined areas. The small physical footprint is ideal for systems where space is at a premium.
The valve body is crafted from durable forged brass, providing excellent resistance against corrosion while maintaining strong structural integrity for long-lasting performance.
Multiple sealing options are offered, including standard NBR seals, with optional FKM (Viton) and EPDM seals available to ensure compatibility with a wide range of media types.
To accommodate diverse flow requirements, the PU220 Series comes in a variety of orifice sizes, ranging from 1.5mm up to 25mm.
This series supports a wide array of voltage options such as AC220V, AC110V, AC24V, DC24V, DC12V, and others, providing flexibility for different electrical environments.
The coils are insulated to Class B standards, guaranteeing reliable operation and enhanced thermal durability. Additionally, the IP65-rated enclosure protects the coil from water and dust, ensuring dependable performance in harsh conditions.
Designed for continuous use, the PU220 Series offers a 100% duty cycle, eliminating concerns about overheating during prolonged operation.
PU225 Series – Pilot Operated
The PU225 Series utilizes a pilot-operated, pressure-assisted design that requires a minimum differential pressure of 0.05 MPa (0.5 Bar) for reliable functioning. This makes it particularly suitable for high-flow, large-diameter applications.
Equipped with large orifices of up to 50mm, the PU225 Series delivers outstanding flow capacity with CV values reaching as high as 48, maximizing throughput efficiency.
Its sturdy brass body ensures excellent mechanical strength and robust corrosion resistance, extending the service life of the valve.
The series offers several sealing options, including NBR, FKM (Viton), and EPDM seals, to accommodate varied media compatibility needs.
Operating pressures range broadly from 0.05 to 1.0 MPa (0.5–10 Bar), providing flexibility for different system requirements.
The valve ports come in sizes from 3/8" to 2", allowing for versatile integration into a wide range of piping configurations.
With an IP65-rated coil enclosure, the PU225 Series is protected against water and dust ingress, ensuring reliable operation even under harsh environmental conditions.
Designed specifically for horizontal mounting, this series optimizes performance when installed in this orientation.
Like the PU220 Series, the PU225 Series supports a 100% duty cycle, making it suitable for continuous and demanding operational scenarios without risk of overheating.
Applications:
PU220 Series – Direct Acting
The PU220 Series is designed for versatile applications across various fluid control systems. It is commonly used in water systems for general water control, hot water circulation, and water treatment processes.
In compressed air systems , the PU220 Series handles pneumatic control lines and supports industrial automation tasks efficiently. Additionally, it is suitable for light oil systems , managing control for oils with viscosity under 50 CST in industrial equipment.
Within the realm of HVAC systems , this series effectively regulates heating and cooling water, making it a reliable choice for building services. It also finds application in industrial equipment , where it provides general fluid control in manufacturing and processing machinery.
Moreover, the PU220 Series excels in vacuum systems due to its zero-differential capability, making it particularly ideal for such specialized applications.
PU225 Series – Pilot Operated
The PU225 Series is tailored for more extensive and high-flow operations. It is widely used in water distribution , enabling main water isolation and control in industrial pipelines.
This series also serves industrial water systems by managing large-scale water circulation and cooling processes. In compressed air systems , it supports high-flow pneumatic control and automation lines, making it suitable for demanding industrial environments.
Similar to the PU220, the PU225 Series is effective in light oil systems , controlling oils below 50 CST in various industrial applications. It is extensively used in HVAC and building services for managing large-scale water heating and cooling systems.
Additionally, the PU225 Series is a solid choice for process plant utilities , providing utility water distribution and isolation, as well as for water treatment by ensuring precise flow control in filtration and treatment systems.
Support and Services:
Our Pneumatic Solenoid Valve product is backed by comprehensive technical support and services to ensure optimal performance and customer satisfaction. We provide detailed installation guides, operation manuals, and maintenance instructions to help you get the most out of your valve system.
In addition to documentation, our technical support team is available to assist with troubleshooting, system integration, and customization requests. We offer expert advice on selecting the right valve configuration for your specific application and environment.
Regular maintenance services and replacement parts are also available to extend the lifespan of your pneumatic solenoid valve. Our support includes training sessions for your technical staff to enhance their understanding and handling of the product.
We are committed to delivering timely and effective solutions, ensuring minimal downtime and maximum efficiency for your operations.
Packing and Shipping:
Product Packaging:
The Pneumatic Solenoid Valve is carefully packaged to ensure safe delivery and protection during transit. Each valve is individually wrapped in anti-static bubble wrap to prevent damage from shocks and vibrations. The wrapped product is then placed in a sturdy cardboard box with foam inserts to secure it firmly in place. The packaging is labeled with product details, handling instructions, and safety warnings to facilitate easy identification and proper handling.
Shipping:
We offer reliable shipping services to deliver the Pneumatic Solenoid Valve promptly and securely. Products are shipped via trusted carriers with tracking options available. Shipping methods include standard, expedited, and express delivery, depending on customer requirements. All shipments are insured against loss or damage to provide peace of mind. International shipping is available with customs documentation prepared to ensure smooth clearance.
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