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leak test couplers

STPC Series: Single Touch Plain Collet Sealing Connectors - The Ultimate Quick-Connect Solution for Leak-Proof Testing


The STPC Series (Single Touch Plain Collet) represents the pinnacle of efficiency in industrial sealing technology. Engineered for rapid, tool-free operation, these connectors provide an instantaneous, 100% leak-proof connection on a vast array of terminations, including pipes, ferrules, stubs, beads, and flanges. Whether you are working with delicate plastic tubing or high-pressure metal pipes, the STPC series delivers a secure grip without the need for threading, wrenches, or manual tightening.

At the heart of the STPC Series is its advanced varied gripping technology. This specialized collet mechanism is designed to accommodate higher tolerances and surface variations, ensuring a perfect seal every time. The “Single Touch“ feature allows operators to lock and unlock the connector in seconds with minimal physical effort, making it the premier choice for high-volume production environments, R&D labs, and quality control stations.

Product Highlights & Features

One-Touch Efficiency: Instant locking and unlocking reduces cycle times and significantly boosts productivity.

Leak-Proof Integrity: Guaranteed airtight and watertight seals for air, gas, and fluid applications.

Superior Gripping Tech: Precision collets provide a firm hold that adapts to dimensional variations in the workpiece.

Surface Protection: Specially designed to be non-damaging, making it ideal for plastic parts, soft metals, and polished surfaces.

Extreme Versatility: A single connector series capable of clamping onto various geometries (beaded, flared, or plain ends).

Ergonomic & Sturdy: Lightweight enough to reduce human fatigue during repetitive use, yet rugged enough for high-pressure industrial cycles.

Application Areas

Leak & Pressure Testing: Ideal for underwater bubble tests, pressure decay, and vacuum testing.

Plastic Pipe Manufacturing: Perfect for testing extruded or injection-molded plastic tubes without scratching or cracking.

Pneumatic & Hydraulic Systems: Reliable quick-connects for low-pressure air lines and high-pressure fluid validation.

R&D and QC Labs: Fast changeovers for prototype testing and repetitive quality inspections.

Cleanroom & Assembly: Efficient, grease-free sealing for sensitive assembly environments.




Why Choose the STPC Series?

1) Reduce Downtime: Switch between test pieces in seconds, not minutes.

2) Safety First: Robust design handles high-pressure applications with a secure, blow-out-proof grip.

3) Cost Effective: Durable internal components are built for thousands of cycles, reducing replacement costs.

4) Operator Friendly: Minimizes the risk of Repetitive Strain Injury (RSI) by eliminating manual screwing/clamping.

 2026-05-09T07:55:32

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