Ralston Instruments May 2008
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Collaboration with domestic suppliers creates a winning, hands-on approach for our customers and distributors.
Supporting the Local Economy
Ralston Instruments has a long history of making products in the United States. For almost 40 years, we have designed, marketed, manufactured and serviced pressure calibration equipment in Northeastern Ohio on the shores of Lake Erie.

Despite the temptation, we have resisted the lure of saving money by having parts manufactured overseas because we believe there is a tremendous advantage to being able to collaborate locally with our suppliers.

This joint relationship allows us to be more flexible in our approach to problem solving. Throughout the design process, we make incremental product improvements that ultimately result in superior product performance. In the end, this benefit is passed onto you - our customers. Our hands-on approach would simply not be possible if we didn't maintain our domestic ties to local suppliers.

This strategy allows us to help support the local economy and to keep our roots planted firmly in the U.S.A. while continuing to offer the highest quality products to customers throughout the world.
QTVC Volume Controller
QTVC Volume Controller The newly redesigned QTVC Volume Controller is more rugged and can be used in more applications. Our improved design comes with a more compact stand and an integrated handle. This means that the laboratory kit no longer needs to be ordered separately. In addition, the design of the QTVC Volume Controller allows access to all the valves from the front panel. This new design can easily be affixed to a control panel for permanent mounting.
Ralston Instruments Universal Hose & Adapter Kit
QTHA-KIT4 Are you tired of digging through the bottom of your toolbox to find the adapters and hoses you need to do a pressure calibration? The QTHA-KIT4 kit of adapters includes everything needed to perform pressure calibrations in the field. Open up the case and you can see immediately if anything you need is missing to do a calibration. The Ralston Instruments QTHA-KIT4 kit contains the most commonly used adapters and two hoses in a convenient carrying case.
Ralston Takes to the Road
Trade Show
Check us out at one of these upcoming tradeshows:

Coal Bed Methane Show (CBM)
June 4-5 | Gillette, Wyoming USA
with Calibration Technicians

NCSLI 2008
August 3-7 | Orlando, Florida USA
Booth 110

Tech Tip
Did you know that you only need to apply a small amount of PTFE (Teflon) tape to a pipe fitting? You only need to apply 3-5 turns of tape to lubricate the threads and make a pressure-tight seal. Apply the tape in a clock-wise direction and make sure not to block the opening in the adapter or pressure gauge as the pressure may force the Teflon tape into the hose, hand pump or pressure transmitter. Note that Ralston Quick-test and BSPP parallel threads do not need Teflon tape to seal.
New Products
37 degree Female Flare Quick-disconnect Adapter

37 degree Female Flare Quick-disconnect Adapter

Stainless Steel Tube Adapters

Stainless Steel Tube Adapters

Request a Catalog
Go to our Catalog Request Page and request the latest Ralston Instruments Catalog.

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