Ralston Instruments August 2011
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Our Smarter Design Extends the Life of Your Tube Fitting
Our smarter design extends the life of your tube fitting.

Ralston Instruments tube adapters make connecting to Swagelok, Parker, Hoke, Tylok or equivalent tube fittings quick and leak-free, all without a wrench.

Traditionally, tube fittings have been designed to be made up at 1.25 turns. However, when they are disassembled and reassembled they often get tightened beyond 1.25 turns. Over time, this pattern of excessive tightening results in the front ferrule digging into the tube and making it bulge out in a way that puts excessive wear and tear on the fitting. Not only does this cause leaks but it also makes the nut harder and harder to spin which reduces the life of the tube fitting. Ralston Instruments has solved this connection problem by incorporating an o-ring seal into their tube fitting adapter design.

As a complement to our existing line of 1/4, 3/8 and 1/2 inch adapters, Ralston Instruments is proud to introduce a 1/8 inch tube fitting adapter. Now it is easier than ever to connect Gas Chromatographs, Oxygen analyzers and other equipment that use 1/8 inch tube fittings.

Additional Information

New Products
45 Degree Quick-test Elbows
45 Degree Quick-test Elbows – Position a pressure gauge or calibrator at just the right angle for viewing
1/8 inch Tube Adapters
1/8 inch Tube Adapters - Connect to any 1/8" tube fitting without a wrench
Ralston Takes to the Road
Trade Show
Check us out at one of these upcoming tradeshows:

NCSLI 2011
August 22-25 | Gaylord Convention Center
National Harbor, MD | Booth 232

ASGMT 2011
September 20-22 | Mariott Westpark
Houston, TX | Booth 60

Tech Tip

Did you know that a Ralston Volume Controller and an accurate gauge can replace a deadweight for doing calibration?

And it is much easier.

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