Ralston Instruments February 2011
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Control Compressed Gas Precisely to Get the Result You Need
Our nitrogen control products ensure a clean, stable system for precise calibration.

Ralston Instruments offers a variety of nitrogen control products that help you accurately control the pressure of your compressed gas during the calibration process. With over 15 years experience, we are industry leaders offering a wide spectrum of products appropriate for calibrating vacuum up to high pressure systems. Our products range from simple and compact solutions such as Calibration Manifolds and Volume Controllers to complete systems such as the Nitropak.

Our Products' Superior Ability to Control Pressure Provides the Following Benefits:

  • Allows you to use gas instead of liquid during the calibration process. This ensures the system is not contaminated with residual liquid if it is a gas system
  • Provides a stable source of pressure which makes performing the calibration easier
  • Enables you to reach a specific pressure point more easily by using the fine adjustment control

Each of our nitrogen control products is configured with multiple test ports and a fine adjustment piston that allows you to quickly hit a test point. The Quick-test hoses needed to do the job are included.

BulletFind a nitrogen control solution by pressure range or application

Case Study: Calibrations on Natural Gas Pipelines

Calibrations on Natural Gas Pipelines

Todd has to calibrate multiple chart recorders on a gas pipeline but he has several concerns. Since it is a natural gas pipeline and it is the middle of winter, he is concerned about using hydraulic fluid to do the calibration. His concerns include contamination, damage to the chart recorder and pressure stability. The Solution is a Ralston Instruments Calibration Manifold

BulletRead more

Featured Products
Calibration Manifold Kits - Include hoses and a pressure gauge
Calibration manifold kits
Quick-test by Tube Fitting Bulkhead Connections - Connect any tube fitting on the inside of a panel and connect a Ralston hose on the outside
Quick-test by tube fitting bulkhead connections
Ralston Takes to the Road
Trade Show
Check us out at one of these upcoming tradeshows:

Calgary ISA Show 2011
April 13-14 | BMO Centre
Calgary, Alberta, Canada

Western Gas Measurement Short
Course 2011

April 25-28 | Spokane Convention Center
Spokane, WA

Tech Tip

Did you know that you can use the Ralston volume controller to do vacuum calibration?

Attach it to a mechanical vacuum pump and use the volume control to reach the exact vacuum test points.

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