Features And Principles Of The Kf Vacuum Quick-connect Elbow Clamp With Spring Lock And Anti-loss Rope

Install an SS304 kf clamp with a spring-loaded toggle and lanyard. Match the flange size, seat the centering ring, fit the clamp, press the toggle until it latches, and loop the lanyard around a fixed anchor. The tether keeps the clamp with its joint, and the spring holds the toggle closed under vacuum.

How the Lanyard Prevents Loss

A vacuum line has many small clamps at each joint. During teardown, clamps set aside on a bench are easy to misplace. A lanyard keeps each clamp tethered to its flange or frame.

The cord attaches at a molded eye on the clamp body. The free end loops around a bolt, a frame rail, or a dedicated anchor. The clamp swings clear when opened but stays within reach.

• Tether ties the body to a fixed point

• Clamp swings clear without dropping

• No loose parts on the bench

• Each clamp stays with its flange

Why Loss Prevention Cuts Downtime

A missing clamp stops a pump-down until a spare is found. A tether removes that search step from every service cycle.

Spring-Loaded Toggle Mechanism

The toggle arm carries a spring that pulls the latch into the closed position. Pressure on the lever opens the clamp. Releasing the lever lets the spring snap the latch back.

This action holds the clamp closed without a separate lock. The spring keeps tension on the flange rims as the joint cycles through vacuum and vent.

Sizes for Common Vacuum Ports

The clamp comes in sizes that match standard ISO-KF flanges. A kf 16 clamp fits small ports on gauges and sensor feeds.

A kf25 clamp covers the mid-size port on chamber inlets and pump connections. A kf40 clamp handles larger pump and manifold joints.

Each size uses the same toggle and lanyard layout. The flange profile follows the ISO-KF standard, so the clamp fits existing fittings without adapters. The KF10 to KF50 range covers common port sizes on benchtop and skid systems.

Installation and Handling Steps

1. Confirm the flange size matches the clamp body.

2. Seat the centering ring and O-ring between the flanges.

3. Fit the clamp over both flange rims.

4. Press the toggle until the spring latches.

5. Loop the lanyard around a fixed anchor.

Check the spring tension at each service window. A weak spring lets the toggle drift open under vibration. Replace the clamp when the latch no longer snaps closed.

Common Applications

• Load-lock and transfer chamber ports

• Portable vacuum carts and skids

• Test stand and prototype manifolds

• Pump inlet and outlet joints

• Coating and deposition systems

A kf clamp with a lanyard suits lines where small parts are easy to lose. The tether keeps each clamp with its joint through repeated assembly.

Lanyard Anchoring and Inspection

Anchor the lanyard where it will not catch on moving parts or hot surfaces. A short loop resists snagging more than a long cord. Inspect the cord for fraying at each service window and replace it before the cord fails.

Aluminium KF Vacuum Quick Toggle Clamp Lanyard with Spring Loaded