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High-Flow Corrosion-Resistant Pneumatic Connector with NBR Sealing

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Our Push-To-Connect Pneumatic Fitting is a core connection component engineered for modern industrial pneumatic systems, delivering a seamless, efficient, and leak-free solution for pneumatic tubing installation and maintenance.

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Core Features

Tool-Free One-Touch Installation

Time is a critical metric in any assembly environment. The defining advantage of our push-in pneumatic fittings lies in their intuitive, tool-free locking mechanism. Operators can secure a tight, reliable airline connection in mere seconds without relying on wrenches, thread sealants, or specialized equipment. To maximize the lifespan of your pneumatic circuits, we provide comprehensive installation guidance: ensure the tubing is cut at a perfect 90-degree angle, verify the insertion depth reaches the internal tube stop, and avoid applying lateral stress on the release ring. This straightforward procedure eliminates common installation errors. When maintenance or line reconfigurations are necessary, pressing the integrated release ring instantly disengages the internal gripping mechanism, allowing for rapid disassembly and minimizing costly production downtime.

Superior Sealing & Leak-Proof Performance

Air leaks directly translate to inflated energy expenditures and inconsistent actuator movements. Engineered with precision-machined internal cavities, our pneumatic connectors maintain absolute airtight integrity even under rapidly fluctuating pressure cycles and extended continuous operation. The internal NBR sealing components are carefully formulated to resist deformation, ensuring a constant, reliable seal against the inserted tubing. By preventing pressure drops across the network, these fittings reduce the workload on your central air compressors, lower overall electricity consumption, and guarantee the precise, repeatable actuation of connected cylinders, directional valves, and other critical pneumatic components.

Wide Compatibility & Versatile Configurations

System integration requires adaptable components. We manufacture an extensive array of configurations for our industrial pneumatic quick connectors, encompassing straight, elbow, tee, cross, and bulkhead geometries. Thread options span both metric and inch standards, ensuring direct compatibility with global equipment designs. Furthermore, the internal gripping architecture is meticulously calibrated to accept a diverse range of industrial tubing materials. Whether your application utilizes flexible Polyurethane (PU), rigid Nylon, Polyethylene (PE), or chemically resistant Teflon (PTFE) hoses, our fittings provide a secure, slip-free grip. This versatile material compatibility completely eradicates the risk of sudden tube blow-outs or micro-leaks caused by mismatched outer diameters or varying tube hardness levels.

Durable Construction for Harsh Environments

Industrial environments are unforgiving, exposing components to moisture, airborne particulates, and temperature extremes. Our corrosion-resistant pneumatic hose fittings are built to endure these demanding conditions, operating reliably within a broad thermal range of -20℃ to 70℃. The exterior surfaces undergo a specialized surface treatment process, creating a smooth, protective barrier that resists mild corrosive agents and prevents the accumulation of industrial dust. This resilient construction ensures that the internal mechanisms remain protected, maintaining consistent flow rates and structural integrity across high-humidity processing plants, dusty manufacturing floors, and outdoor sheltered installations.

Product Specifications

Selecting the correct dimensions and pressure ratings is vital for system safety and efficiency. The following data details the exact parameters, thread options, and operating limits for our primary pneumatic connector series. Please reference these specifications to ensure proper alignment with your specific pressure requirements and tubing sizes.

Model Series

Tube OD (mm)

Thread Specification

Operating Pressure Range

Operating Temperature Range

Available Configurations

PC/PL Series

4, 6, 8, 10, 12, 14, 16

M3×0.5, M5×0.8, M6×1, Rc1/8, Rc1/4, Rc3/8

0~1.0MPa

-20℃ ~ 70℃

Straight, 90° Elbow

PB/PX Series

4, 6, 8, 10, 12, 14, 16

M5×0.8, M6×1, Rc1/8, Rc1/4, Rc3/8

0~1.0MPa

-20℃ ~ 70℃

Tee, Y-Type, Cross

Miniature PC/PL Series

3, 4, 6

M3×0.5, M4×0.7, M5×0.8

0~0.8MPa

-20℃ ~ 60℃

Straight, 90° Elbow

Product Structure & High-Quality Materials

The reliability of our high-flow pneumatic push-in fittings stems from a meticulously engineered four-part internal architecture, designed to deliver tactile feedback and long-term durability under demanding operational cycles:

  • Main Body: Constructed from premium nickel-plated brass. This material choice provides exceptional mechanical strength to withstand physical impacts, while the nickel coating offers a smooth, tarnish-resistant finish that repels moisture and prevents oxidation.

  • Gripping Collet: Formed from high-tensile stainless steel. The precision-angled teeth bite firmly into the tubing, providing an audible, satisfying engagement upon full insertion. This guarantees exceptional tube retention, effectively neutralizing pull-out forces generated by intense system vibrations or sudden pressure spikes.

  • NBR Sealing O-Ring: Formulated for excellent elasticity and oil resistance. This seal adapts instantly to the tube's exterior, ensuring absolute airtightness in both lubricated and non-lubricated compressed air circuits. For specialized applications, we also offer 304 stainless steel variants tailored for food-grade processing environments.

  • Release Ring: Ergonomically shaped to distribute pressure evenly across the operator's fingers, allowing for smooth, jam-free disengagement of the collet during maintenance routines.

Industrial Applications

Consistent pneumatic power is the lifeblood of modern manufacturing. Our Push-To-Connect Pneumatic Fittings serve as the critical junction points in a vast array of industrial sectors. In automated production lines and precision assembly equipment, their compact footprint allows for dense manifold configurations, maximizing space efficiency without restricting airflow. Within the packaging machinery and printing equipment sectors, the secure gripping mechanism prevents disruptive hose disconnections during rapid, repetitive mechanical cycles. Furthermore, their resilience to moisture makes them a preferred solution for textile machinery and automotive manufacturing plants, where reliable, uninterrupted compressed air delivery is essential to maintaining daily output targets and operational fluidity.

Quality Assurance & Custom Support

Procurement security relies on consistent manufacturing capabilities and rigorous quality control. Operating a modernized facility equipped with advanced CNC precision machining centers, we possess the manufacturing strength to support large-volume production runs while guaranteeing rapid dispatch and reliable lead times for standard components. Every ISO-certified pneumatic fitting is subjected to a strict, standardized quality control protocol, including 100% pre-shipment pressure retention and anti-leakage testing. This uncompromising approach ensures an exceptionally low defect rate, directly minimizing your long-term equipment maintenance expenditures.

Beyond standard inventory, we provide deep OEM and ODM customization services tailored to complex pneumatic integration needs. Our engineering team can develop non-standard dimensional profiles, unique thread combinations, specific exterior color coding, and specialized material adaptations, such as food-grade compliant components. To protect your investment during global transit, all bulk orders are secured using industrial-grade, export-compliant packaging. This anti-dust, crush-resistant logistical standard guarantees that every connector arrives at your facility in pristine condition, ready for immediate deployment.

High-Flow Corrosion-Resistant Pneumatic Connector with NBR Sealing for Industrial Automation Systems

 Email: 18605875166@163.com
 Tel: +86-18605875166
 Address: Shangyou Village, Liushi Town, Yueqing City, Wenzhou, Zhejiang Province

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