Skip to main content

Accurate testing

The latest PFM Tester Series from Flo-tech now features an internal safety pressure relief disc. The proven PFM products have a long track record for measuring flow, pressure, temperature and power on mobile hydraulic equipment. However this improved version now features and internal burst disc designed to ensure that in the event of over-pressurisation, fluid is safely allowed to bypass the load valve and remain within the hydraulic system. The feature means that no fluids will escape from the tester, redu
February 10, 2012 Read time: 2 mins
The latest PFM Tester Series from 2565 Flo-tech now features an internal safety pressure relief disc.

The proven PFM products have a long track record for measuring flow, pressure, temperature and power on mobile hydraulic equipment. However this improved version now features and internal burst disc designed to ensure that in the event of over-pressurisation, fluid is safely allowed to bypass the load valve and remain within the hydraulic system. The feature means that no fluids will escape from the tester, reducing maintenance costs and preventing the need for environmental clean-up from spills. The internal burst disc is also field-replaceable, should an over- pressurisation occur. The PFM Tester uses a turbine rotor and a magnetic pick-up to monitor the frequency pulse output from the rotor and measure flow. Volumetric flow rate is displayed on an LCD or sent through a digital output to a PC. The PFM Series units are said to provide reliable readings with an accuracy of 1% of full scale and a repeatability of 0.2%. Temperature is measured with an internal sensor, and pressure is measured by analogue gauge or high-sensitivity digital sensor. For ease of use and safety, all testers have loading valves with fingertip control and pressure surge protection.

For more information on companies in this article

Related Content

  • Concrete plant innovations coming to market
    December 12, 2022
    An array of advanced technologies are now coming to market for the concrete plant segment. Manufacturers are developing new systems that offer rewards in output quality and productivity, while also benefiting from sophisticated systems that allow gains in material logistics
  • Automated testing is safer, cheaper and more thorough
    December 12, 2018
    Automated testing is improving safety during paving and saving on testing costs. But it could also help reduce long-term maintenance costs too - Kristina Smith writes Testing pavements as they are laid can be a hazardous activity. The technician may be on their hands and knees, far behind the main gang, or reaching inside the hopper to measure the temperature of the hot mix or dodging rollers to take density readings.
  • Winter maintenance challenge
    February 29, 2012
    Many countries had their most severe winter for years, but it could have been much worse without the right equipment and technology as Patrick Smith reports. As many countries faced up to the 2010-2011 winter, hard-pressed maintenance teams did their best to keep things moving on the roads. With some of the lowest temperatures and heaviest snowfalls on record, the UK, Republic of Ireland, Switzerland, France, Scandinavia, Germany, and Belgium were among those affected. Russia, eastern Europe and the USA did
  • Liebherr launches new concrete machines
    November 30, 2020
    Liebherr has introduced innovative new concrete equipment for production and transport. The firm has developed a new compact plant as well as an efficient, low emission mixer truck for the industry.