Valves, Actuators & Pump Control


Rotating disc valves

March 2000 Valves, Actuators & Pump Control

The rotating disc valves from Mitech feature a unique rotating/shearing disc which provides a self lapping rotation and enhanced seat cleaning action which cuts through solids giving a long-lasting tight shut-off. The metal-to-metal seating makes the valves abrasion resistant over a wide temperature range, and their high pressure capability, which is better than industry standards, allows the force to be distributed over a larger area resulting in reduced trim wear.

An abrasion resistant full port eliminates obstruction to flow with minimal pressure drop, while the self-draining body reduces the chance of jamming due to material entrapment, stagnation and degradation. A spring-loaded connection between the disc and drive allows the disc to compensate for thermal expansion or contraction, adjusts for wear, ensures tight shut-off and resists back pressure.

Additional features include body purge connections which have the ability to flush valve cavity and internals while in operation, flat seating surfaces, repairable seats and a simple yet versatile design. Typical applications include for use in media such as steam, coke, fly ash/ash slurry, flammable liquids and gases, sand and boiler water.



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Eliminate bearing failures in TOVs
August 2021, Valve & Automation , Valves, Actuators & Pump Control
Bearing failures are among the highest root causes of failure in triple offset valves (TOV) for tight shutoff applications. This issue is directly attributed to the need to have metal bearings with very ...

Read more...
Locally manufactured knife gate valves
August 2021, Bearing Man Group t/a BMG , Valves, Actuators & Pump Control
BMG and Abrasive Flow Solutions (AFS) play a major role in the local valves sector, through the design, distribution, supply and support of a broad range of slurry related valves.

Read more...
Protect your pump and keep it longer
July 2021, Elemental Analytics , Valves, Actuators & Pump Control
Unexpectedly losing a pump is often an expensive or even a dangerous problem in a chemical plant.

Read more...
Locally valves manufactured for tailings pipeline
June 2021 , Valves, Actuators & Pump Control
The AFS manufacturing plant in Benoni is equipped with advanced equipment and is supported by specialists who offer dependable technical support to ensure the optimum safety, efficiency and extended service life of every system.

Read more...
New flange monoblock with shut-off valve
March 2021, WIKA Instruments , Valves, Actuators & Pump Control
WIKA’s new monoblock with flange design integrates a shut-off valve to separate the process from the instrument side.

Read more...
The Stafsjö HX story – greater demand calls for action
February 2021, Valve & Automation , Valves, Actuators & Pump Control
As a knife gate valve supplier, Stafsjö supplies product solutions to realise efficiency and production goals in pulp and paper applications.

Read more...
Drives for solar-powered pump systems
February 2021, Bearing Man Group t/a BMG , Valves, Actuators & Pump Control
BMG advises on how to optimise efficiency and extend the service life of solar-powered pumping systems by selecting the correct drives.

Read more...
Optimise fermentation in alcoholic beverage manufacturing through proper valve selection
February 2021, ASCO , Valves, Actuators & Pump Control
Emerson can help select the right fluid automation products to meet all unique requirements.

Read more...
Smart positioners of the future
January 2021, SMC Corporation South Africa , Valves, Actuators & Pump Control
SMC’s new range of Smart Positioners was designed to pair perfectly with a variety of process control valves and actuators.

Read more...
Robust control valve proves itself in the construction materials industry
November 2020, Macsteel Fluid Control , Valves, Actuators & Pump Control
Ball sector valves from Schubert & Salzer excel in abrasive slurry applications.

Read more...