Product Description:
PU220 Series – Direct Acting Brass Solenoid Valve
The PU220 Series is a 2/2-way normally closed solenoid valve that operates on a direct-acting mechanism. It is designed to provide dependable ON/OFF control for various neutral fluids such as water, air, and light oil. Built with a sturdy brass body and equipped with a spring-return system, this valve can function efficiently even at zero pressure differential. This capability makes it particularly suitable for applications that demand immediate response under low pressure conditions.
Its compact and lightweight design facilitates straightforward installation, especially in environments where space is limited. The PU220 Series comes with port sizes ranging from 1/8" to 1" and offers orifice sizes between 1.5mm and 25mm. With minimal leakage and precise control of media flow, this valve ensures reliable performance across a broad spectrum of industrial uses.
PU225 Series – Pilot Operated Brass Solenoid Valve
The PU225 Series represents a 2/2-way normally closed solenoid valve that employs a pilot-operated mechanism. It is specifically engineered for high-flow control of water, air, and light oil. Featuring a pressure-assisted piston design, this valve requires a minimum differential pressure of 0.05 MPa (0.5 Bar) to operate effectively, making it ideal for large-diameter piping systems.
Constructed from a durable brass body, the PU225 Series is available with seals made of NBR, Viton, or EPDM, ensuring excellent flow capacity and extended service life in challenging industrial environments. The valve offers port sizes from 3/8" up to 2" and orifice sizes as large as 50mm. This series delivers superior CV values, providing maximum throughput in applications that demand continuous-duty operation.
Features:
PU220 Series – Direct Acting
The PU220 Series features a direct acting mechanism with a spring-return design, enabling operation even at zero pressure differential (0 MPa). This ensures precise control in low-pressure environments.
Its compact and lightweight construction offers a space-saving design with a small physical footprint, making installation simple and convenient in areas with limited space.
Constructed from durable forged brass, the body provides excellent corrosion resistance and maintains structural strength over extended use.
There are multiple sealing options available to meet various media compatibility needs, including standard NBR seals with optional FKM (Viton) and EPDM seals.
The series offers a wide range of orifice sizes, from 1.5mm up to 25mm, accommodating diverse flow requirements with ease.
Voltage compatibility is broad, supporting AC220V, AC110V, AC24V, DC24V, DC12V, among others, ensuring flexibility for different electrical systems.
Coils are insulated to Class B standards, guaranteeing reliable operation and enhanced thermal durability under continuous use.
With an IP65 rating, the coil enclosure is both waterproof and dustproof, enabling dependable performance even in harsh environmental conditions.
The PU220 Series supports a 100% duty cycle, making it suitable for continuous operation without risk of overheating.
PU225 Series – Pilot Operated
The PU225 Series operates on a pilot-assisted (pressure-assisted) design, requiring a minimum differential pressure of 0.05 MPa (0.5 Bar) to function reliably. This makes it ideal for applications involving high flow rates and large diameters.
Equipped with large orifice sizes—up to 50mm—this series delivers impressive flow capacity, providing CV values as high as 48 for maximum throughput efficiency.
A robust brass body construction ensures outstanding mechanical strength along with excellent resistance to corrosion, making it highly durable in demanding environments.
Seal options include NBR, FKM (Viton), and EPDM, allowing compatibility with a wide variety of media types.
The operating pressure range spans from 0.05 to 1.0 MPa (0.5 to 10 Bar), accommodating diverse system pressure requirements.
The available port sizes range from 3/8" to 2", providing flexible integration options for various system configurations.
Featuring an IP65-rated coil enclosure, the design protects against water ingress and dust, ensuring reliable functionality in tough conditions.
This series is designed specifically for horizontal mounting to achieve optimal performance.
Like the PU220, it supports a 100% duty cycle, allowing continuous operation without overheating concerns.
Applications:
PU220 Series – Direct Acting
The PU220 Series is suitable for a variety of water systems, including general water control, hot water circulation, and water treatment applications. Its reliable design ensures efficient management of water flow.
In compressed air systems, this series excels in pneumatic control lines and industrial automation, providing precise regulation for various industrial processes.
When used in light oil systems, specifically for oils with a viscosity below 50 CST, the PU220 Series offers effective control within industrial equipment settings.
Additionally, the series supports HVAC systems by managing heating and cooling water in building services, enhancing climate control efficiency.
It is also applied in general fluid control within manufacturing and processing machinery, showcasing its versatility across industrial equipment.
Thanks to its zero-differential capability, the PU220 Series is particularly well-suited for vacuum systems, allowing for excellent control in those specialized applications.
PU225 Series – Pilot Operated
The PU225 Series is designed for demanding water distribution tasks, such as main water isolation and control within industrial pipelines, ensuring robust and reliable operation.
It is ideal for large-scale industrial water systems, including extensive water circulation and cooling networks, delivering high performance under challenging conditions.
In compressed air systems, the PU225 Series handles high-flow pneumatic control and automation lines with precision and durability.
The series also caters to light oil control needs in industrial applications, efficiently managing oils with viscosities below 50 CST.
Within HVAC and building services, it supports large-scale water heating and cooling systems, contributing to effective thermal energy management.
Furthermore, the PU225 Series plays a key role in process plant utilities by overseeing utility water distribution and isolation, enhancing operational reliability.
Lastly, it offers dependable flow control capabilities in water treatment processes, including filtration and treatment systems, ensuring optimal system performance.
Support and Services:
Our Pneumatic Solenoid Valve product is backed by comprehensive technical support and service to ensure optimal performance and customer satisfaction. Our team of experienced engineers and technicians is available to assist with installation guidance, troubleshooting, and maintenance advice.
We provide detailed product documentation including datasheets, user manuals, and wiring diagrams to facilitate easy integration and operation. In case of any operational issues, our support team offers prompt diagnostic assistance to minimize downtime.
Regular maintenance services and replacement parts are available to extend the life of your pneumatic solenoid valve. We also offer customized solutions to meet specific application requirements and improve system efficiency.
Our commitment is to deliver reliable, high-quality pneumatic control components with responsive after-sales service to support your industrial automation needs.
Packing and Shipping:
Product Packaging:
The Pneumatic Solenoid Valve is carefully packaged to ensure safe delivery and protection against damage during transit. Each valve is individually packed in a sturdy, corrosion-resistant plastic bag to prevent moisture and dust contamination. The bagged valve is then placed in a custom-fitted foam insert to minimize movement and absorb shocks.
The foam insert is housed inside a robust cardboard box with clear labeling indicating the product model, specifications, and handling instructions. For bulk orders, multiple boxes are securely packed into a larger carton with adequate cushioning materials to prevent any impact damage.
Shipping:
We offer reliable shipping options worldwide, including standard and expedited services. All shipments are handled by trusted carriers to ensure timely delivery. Each package is labeled with handling instructions such as “Fragile” and “This Side Up” to maintain product integrity.
Before dispatch, all packages undergo final inspection to verify product quality and packaging integrity. Tracking information is provided to customers for real-time shipment monitoring. Additionally, insurance options are available to safeguard against loss or damage during transportation.
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