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Leak Detection in Valves and Pipes

VPAC II

VPAC™II – THROUGH-VALVE LOSS CONTROL INSTRUMENT

The VPAC™II is an acoustic emission instrument based on over 10 years of research. The VPAC™II can estimate the quantity of material leaking through the valve using the accompanying proprietary software. With hundreds of systems currently in use, the VPAC™II is the instrument of choice for through valve leak detection.

The user interface is simple and intuitive, and the unit retains all settings even when powered down. The instrument is powered by four rechargeable AA batteries which will last several weeks in typical use. Battery replacement and charging is quick and easy, so downtime is minimized.

The VPAC™II unit contains all the features you need to determine if valves are leaking, where they're leaking, and at what rate they're leaking.

Features of the VPAC™II include:

  • Stores a reading, as well as upstream and downstream readings, for up to 100 valves at a time
  • Loads a complete testing route with valve names & physical properties from VPACwin™
  • Calculates Leak rates directly on the unit
  • Transfers all stored data to notebook or desktop PC with VPACwin™ software via a simple, wireless Bluetooth interface

When used on gas systems, the VPAC™II system is capable of detecting leaks as small as 1-liter per minute. This is because the sensor is virtually on top of the leak source and attenuation of the signal is not a factor. Counting for standard pressure and temperature (14.696 psia and 60° F), this corresponds to 2.12 SCF per hour.

Product Bulletin



VALVE SQUEAK – HAND-HELD THROUGH-VALVE LOSS DETECTION SYSTEM

Designed for operations and maintenance personnel to perform frequent valve checks, Valve-Squeak™ is an easy-to-use, pocket-sized through-valve loss detection system. The system isolates leaks of any size and in any valve – saving you thousands, if not millions of dollars – by indicating “no leak” with a green light or yellow LED bar graph showing a range of small to very large. Once a leak is detected, a VPAC™II or VPAC™ can be used to quantify. The high value of Valve-Squeak means it’s possible to have many units in a facility to help a single VPAC™II operator maximize time and resources by quickly identifying and targeting leaking valves for further inspection.

Product Bulletin

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