Product Description:
PU220 Series – Direct Acting Brass Solenoid Valve
The PU220 Series features a 2/2-way normally closed, direct-acting solenoid valve designed to provide dependable ON/OFF control for various fluids such as water, air, light oil, and other neutral media. Constructed with a sturdy brass body combined with a spring-return mechanism, this valve performs efficiently starting from zero pressure differential. This capability makes it perfectly suited for applications that demand immediate response even under low-pressure settings.
Its compact and lightweight design ensures easy installation, especially in environments where space is limited. The PU220 Series is available with port sizes ranging from 1/8" to 1" and orifice diameters from 1.5mm to 25mm. This range allows the valve to maintain reliable operation with minimal leakage, guaranteeing precise control of media flow in a broad spectrum of industrial applications.
PU225 Series – Pilot Operated Brass Solenoid Valve
The PU225 Series is a 2/2-way normally closed solenoid valve that operates on a pilot mechanism, tailored specifically for controlling high-flow water, air, and light oil applications. Utilizing a pressure-assisted piston design, the PU225 requires a minimum differential pressure of 0.05 MPa (0.5 Bar) to function, making it an excellent choice for large-diameter piping systems.
Built from a resilient brass body and equipped with seals made from NBR, Viton, or EPDM, this valve ensures exceptional flow capacity and durability under demanding industrial conditions. The PU225 Series is offered with port sizes between 3/8" and 2", and orifice sizes reaching up to 50mm. This provides superior CV values, enabling maximum throughput and reliable performance during continuous-duty operations.
Features:
PU220 Series – Direct Acting
The PU220 Series features a direct acting operation with a spring-return mechanism that permits functionality from zero pressure differential (0 MPa). This design allows for reliable performance even without pressure assistance.
Its compact and lightweight construction offers a space-saving solution with a small physical footprint, making installation straightforward even in confined areas. The series utilizes a durable forged brass body, which provides excellent resistance to corrosion and ensures structural integrity over time.
Versatility is enhanced through multiple seal options. While standard models come equipped with NBR seals, optional seals including FKM (Viton) and EPDM are available to accommodate various media. The series supports a wide range of orifice sizes from 1.5mm to 25mm, catering to diverse flow requirements.
In terms of electrical compatibility, the PU220 Series supports a wide range of voltages such as AC220V, AC110V, AC24V, DC24V, DC12V, among others. The coils are insulated to Class B standards, ensuring reliable operation and thermal durability. Additionally, the coil enclosure features IP65 protection, making it waterproof and dustproof, suitable for harsh environments.
Designed for demanding applications, the PU220 Series supports a 100% duty cycle, allowing continuous operation without the risk of overheating.
PU225 Series – Pilot Operated
The PU225 Series operates on a pilot-operated (pressure-assisted) mechanism, requiring a minimum differential pressure of 0.05 MPa (0.5 Bar) for dependable performance. This design is especially suitable for high-flow and large-diameter applications where enhanced throughput is necessary.
It offers high flow capacity with large orifice sizes available up to 50mm, delivering exceptional CV values reaching up to 48, which translates to maximum flow efficiency. The construction maintains durability and corrosion resistance through a robust brass body.
Seal options include NBR, FKM (Viton), and EPDM variants, providing compatibility with a wide range of media. The operating pressure range spans from 0.05 to 1.0 MPa (0.5–10 Bar), and the port sizes vary from 3/8" to 2", offering flexibility for different system integrations.
Similar to the PU220, the PU225 Series features an IP65 rated coil enclosure, protecting against water and dust ingress, thus ensuring reliable operation in challenging environments. This series is designed for horizontal mounting, optimizing its performance in intended installations.
With a 100% duty cycle rating, the PU225 Series is well-suited for continuous use without overheating concerns.
Applications:
PU220 Series – Direct Acting
The PU220 Series is designed for various water systems, including general water control, hot water circulation, and water treatment applications. Its direct-acting mechanism ensures reliable and efficient operation.
In compressed air systems, the PU220 Series is well-suited for managing pneumatic control lines and supporting industrial automation processes.
This series is also applicable in controlling light oil systems, specifically for oils with viscosity below 50 CST, making it a valuable component in industrial equipment.
Within HVAC systems, the PU220 Series manages heating and cooling water flow, playing an important role in building services.
It is commonly used in various industrial equipment to facilitate general fluid control across manufacturing and processing machinery.
Thanks to its zero-differential capability, the PU220 Series is ideal for vacuum system applications, where precise control is critical.
PU225 Series – Pilot Operated
The PU225 Series is a pilot-operated valve designed primarily for water distribution tasks, enabling main water isolation and control within industrial pipelines.
It supports large-scale industrial water systems, including extensive circulation and cooling setups, ensuring optimal performance.
In compressed air systems, the PU225 Series handles high-flow pneumatic controls and automation lines effectively.
This series is also used in light oil control applications, suitable for oils with viscosity below 50 CST within industrial contexts.
The PU225 Series is valuable in HVAC and building services, managing large-scale water heating and cooling systems efficiently.
Additionally, it plays a key role in process plant utilities by facilitating utility water distribution and isolation.
Finally, it contributes to water treatment processes by enabling precise flow control in filtration and treatment systems.
Support and Services:
Our Pneumatic Solenoid Valve product comes with comprehensive technical support and services to ensure optimal performance and customer satisfaction. We provide detailed installation guides, operation manuals, and maintenance instructions to help users maximize the efficiency and lifespan of the valve.
Technical support is available to assist with troubleshooting, system integration, and customization requests. Our team of experts can help diagnose issues, recommend suitable configurations, and provide solutions tailored to your specific application needs.
We offer training sessions and webinars to educate users on the best practices for using and maintaining pneumatic solenoid valves. Additionally, we provide software updates and firmware upgrades when applicable to enhance product functionality.
For warranty and repair services, we ensure prompt response and efficient handling of any product defects or malfunctions. Replacement parts and accessories are readily available to support uninterrupted operation.
Our commitment is to deliver reliable and responsive support to help you achieve seamless operation and long-term success with your pneumatic solenoid valve installations.
Packing and Shipping:
Product Packaging and Shipping
The Pneumatic Solenoid Valve is carefully packaged to ensure it arrives in perfect condition. Each valve is securely placed in a protective plastic bag to prevent dust and moisture exposure, then cushioned with foam padding inside a sturdy cardboard box. For bulk orders, multiple units are packed in larger boxes with additional padding to avoid movement during transit.
Our packaging is designed to withstand rough handling and environmental factors during shipping. All boxes are clearly labeled with product information, handling instructions, and shipping details to facilitate smooth transportation and delivery.
Shipping is available via air, sea, or land freight depending on customer requirements and destination. We work with trusted logistics partners to provide timely and reliable delivery worldwide. Tracking information is provided for all shipments to keep customers informed from dispatch to receipt.
For special packaging requests or export documentation, please contact our sales team for assistance.
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