Product Description:
IMI Norgren non-return valves are high-quality, inline, one-way pneumatic components designed to allow free flow of compressed air in one direction while completely preventing any reverse backflow within pneumatic circuits. This product line is divided into four main families: the heavy-duty brass S/520-S/532 series with threaded non-return valves, the push-in tube-to-tube T50P non-return valves, the lightweight and compact T55 inline non-return valves, and the T60 Air Fuse inline excess-flow automatic shut-off safety valves.
The S/520-S/532 heavy-duty series features durable brass bodies built to withstand high-pressure industrial environments, supporting working pressures up to 16 bar. These valves come with options for G and NPT threading and also include a high-temperature variant capable of operating at temperatures up to +150°C, utilizing FPM seals for enhanced performance.
The T50P push-in non-return valves utilize a quick-connect system compatible with outer diameter tubes ranging from 4 to 12 mm. They support vacuum conditions down to -0.9 bar and have an ultra-low cracking pressure between 0.03 and 0.05 bar. Their design allows for fast and simple field assembly without the need for thread sealing, making installation easy and efficient.
The T55 inline non-return valve is a silicone-free, lightweight check valve with an aluminum body. It features a low cracking pressure of 0.05 bar and a compact size suitable for installations with limited space. This valve supports working pressures up to 10 bar and is available in port sizes ranging from G1/8 to G1/2.
The T60 Air Fuse is a specialized uni-directional excess-flow shut-off safety valve. It automatically cuts off the air flow in case of hose rupture or significant leakage, and it resets automatically once the fault has been resolved. Designed for flexible hose safety protection, the T60 complies with industrial pneumatic safety regulations to ensure reliable operation in demanding applications.
All Norgren non-return valves are suitable for use with filtered compressed air, whether lubricated or non-lubricated. They undergo rigorous testing according to the ISO-6358 standard and are widely used in factory automation pneumatic circuits for their reliability and superior performance.
Features:
✅ The product offers multiple series options to suit various applications. These include the heavy-duty threaded models S/520 to S532, the push-in T50P series, the compact T55, and the safety air-fuse T60.
✅ It operates across a wide pressure range, from a vacuum of -0.9 bar up to a maximum of 16 bar, accommodating diverse operational needs.
✅ Featuring a low cracking pressure starting at just 0.03 bar, it ensures minimal flow-resistant opening for enhanced efficiency.
✅ Connection options are diverse, supporting G and NPT threads as well as push-in tube outer diameters ranging from 4 to 12 mm, providing flexible installation choices.
✅ The materials used include brass and aluminium bodies, paired with NBR seals by default. There is also an option for FPM high-temperature seals to withstand elevated conditions.
✅ The temperature range varies from -20℃ to +80℃ under standard settings. Additionally, the S-series offers an optional high-temperature capability up to +150℃.
✅ The T60 air-fuse model provides hose-burst protection with an automatic reset mechanism and a tamper-proof safety design for increased operational security.
✅ Designed for simple inline line-mount installation, the device combines a compact structure with high reliability and a long service life.
✅ It is compatible with filtered compressed air and inert gases (specific to the T60 model), and supports both lubricated and non-lubricated air media.
Technical Parameters:
| T60 Air Fuse |
G/NPT Thread G1/4–G1½ |
| T55 |
G/NPT Thread G1/8–G1/2 |
| S/520–S532 |
G/NPT Thread G1/8–G1 |
| T50P |
Push-in Tube OD4–12 mm |
| Temperature Range |
-20~+80℃ |
| Body Material |
Brass / Aluminium / Aluminium+Brass Internal |
Applications:
Industrial automation in factories often relies heavily on pneumatic control circuits. These systems play a crucial role in ensuring efficient and reliable operation across various machinery and equipment.
Pneumatic technology is commonly applied in machine tools, packaging machines, as well as textile equipment. Their ability to provide precise and consistent motion control makes them indispensable in these industries.
In robotic applications, pneumatic actuators are integrated within control loops to enhance performance. Features such as cylinder back-flow prevention are implemented to maintain system integrity and avoid malfunction.
Essential components like compressors, air dryers, and air preparation units require protective mechanisms to ensure longevity and optimal functionality. Proper safeguarding of these elements is vital for maintaining system efficiency.
Safety is paramount when dealing with flexible air hoses. The use of safety devices, such as the mandatory T60 Air Fuse, helps protect against hose rupture, thereby preventing accidents and equipment damage.
Pneumatic systems are widely utilized in conveying equipment and material-handling setups. Their versatility and reliability make them well-suited for continuous operation in demanding environments.
Additionally, pneumatic technology plays an important role in automotive assembly lines and printing machinery, supporting high-speed and repetitive tasks with precision.
Specialized vacuum pneumatic circuits, like those in the T50P series, are designed to cater to applications requiring controlled vacuum environments, expanding the range of possibilities for pneumatic system deployment.
Support and Services:
Norgren is committed to providing comprehensive technical support and services for its Solenoid Valve products to ensure optimal performance and customer satisfaction. Our technical support team is available to assist with product selection, installation guidance, troubleshooting, and maintenance advice. We offer detailed product documentation, including datasheets, user manuals, and installation instructions to facilitate proper use and integration.
In addition to technical support, Norgren provides repair and maintenance services to extend the life of your solenoid valves and minimize downtime. Our experts can help diagnose issues and recommend solutions tailored to your specific application needs. We also offer training sessions and workshops to equip your team with the knowledge required for effective operation and maintenance of Norgren solenoid valves.
For any technical inquiries or service requirements, please refer to the support resources available on the Norgren website or contact your local Norgren representative. Our goal is to ensure that you receive timely and effective assistance to maximize the reliability and efficiency of your solenoid valve products.
Packing and Shipping:
The Norgren Solenoid Valve is carefully packaged to ensure protection during transit. Each valve is individually sealed in anti-static, moisture-resistant packaging to prevent damage from environmental factors. The product is then placed in a sturdy, cushioned box designed to absorb shocks and vibrations.
For shipping, Norgren solenoid valves are handled with care following industry best practices. The packages are labeled clearly with handling instructions and shipped via reliable carriers to guarantee timely and safe delivery. Bulk orders are palletized and secured to prevent movement during transportation.
Customers can expect their Norgren solenoid valves to arrive in excellent condition, ready for immediate installation and use.
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