Sealing Technology
Seals are used in all industries.
They are often dismissed as a C part, although the success and safety of many processes are significantly influenced by their use. Due to the wide range of applications, there are therefore also numerous materials and shapes used in sealing technology: O-rings, graphite gaskets, flat gaskets, metallic gaskets, lamellar gaskets, etc.
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Aug
2023
KSB launches new quarter-turn actuators on the market
In the first half of 2023, the KSB Group launched a new generation of pneumatic 90° quarter-turn actuators. The double-acting and single-acting pneumatic actuators of the ACTAIR EVO and DYNACTAIR EVO type series are ...
Aug
2023
German and British actuator manufacturer agree on cooperation
ARIS Stellantriebe GmbH is expanding its worldwide distribution. In May this year, the company concluded a cooperation agreement with the English actuator manufacturer KINETROL. With its headquarters in England, ...
Jul
2023
ASME approval for ball valves and butterfly valves
The GEMÜ R480 series butterfly valves and the GEMÜ BB02 series ball valves have successfully completed testing for ASME approval. In order to export products to the USA, some states require certification according to ...
Jul
2023
SAMSON: New Chief Sales Officer appointed
The Supervisory Board of SAMSON AKTIENGESELLSCHAFT has appointed Mr. Marcus Miertz (51) as Chief Sales Officer to the Executive Board. The appointment was announced by Dr. Nikolaus Hensel, the Chairman of the SAMSON ...
Jul
2023
Versatile end position feedback for system operation
Position feedback systems are used on quarter-turn valves in piping systems. They must match to the application conditions and quarter-turn actuator sizes. The bar-miniswitch optical/electrical limit switch feedback ...
Jul
2023
VDMA Valves Association: New Vice-Chairman
At the beginning of July 2023, the board of the Building Fittings Division of the VDMA elected Stefan Gesing, CEO of Dornbracht AG & Co KG, as its new chairman. From now on, the 45-year-old will also assume the role ...
Jul
2023
Watertight actuators for underwater hydro turbine control
An AUMA electric actuation solution ensures high-precision guide vane adjustment for a fully-submersible hydro turbine from Natel Energy. It is located at the Sauerbrunn hydropower plant near Graz, Austria. The ...
Jun
2023
Rotork: New addition to the electro-hydraulic actuator range
Rotork has unveiled a compact and robust quarter-turn design for its Skilmatic SI range of independent electro-hydraulic ...
Jun
2023
AUMA: Old acquaintance returns to the management board
Ferdinand Dirnhofer has resumed his position as Managing Director at AUMA Riester GmbH & Co. KG once ...
May
2023
Endress+Hauser aims to reduce greenhouse gas emissions to zero
Endress+Hauser supports the Paris Agreement’s 1.5 degree target and aims to reduce greenhouse gas emissions to net zero until ...
Apr
2023
Gate valve developed for natural gas use
The Czech valve manufacturer ARMATURY Group a.s. has developed a fully welded gate valve for natural gas ...
Apr
2023
Acquisition of Canadian valve manufacturer
Flowserve Corporation, a supplier of valves, pumps and seals, has acquired the Canadian valve manufacturer Velan. The transaction is expected to be completed by the end of the second quarter of 2023. The price for the ...
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Triple-eccentric control and shut-off butterfly valves – New developments, production methods and fields of application
Author: Michael Knippschild
Topic: Industriearmaturen
Year: 2009
Triple-eccentric control and shut-off butterfly valves belonging to the series presented in this article are tailor-made to meet the exact operating conditions of the customer’s application. Thanks to a large variety of styles, materials and ...
Machinery and equipment for testing of valves
Author: Volkmar Fuß/Jakob Wüst
Topic: Industriearmaturen
Year: 2009
Global industrial valve production totals more than $40 billion annually. These valves are used in conven-tional and nuclear power-generating plants, in chemicals and petrochemicals installations, in the sugar and paper industries, at shipyards and ...
New PTFE gasket for butterfly valve enhances process reliability
Author: Timo Jäckle/Karl-Heinz Mayer, Wolfgang Paul
Topic: Industriearmaturen
Year: 2009
In both in the chemicals processing industry and many other applications, valves very frequently come into contact with highly aggressive fluids. The advantages and disadvantages – or even the problems – of the valve materials used then ...
Butterfly valves in municipal water management
Author: Peter Oppinger
Topic: Industriearmaturen
Year: 2010
Valves used in water management have to withstand enormous loads, high water pressures, critical flow velocities as well as extreme temperatures and weather conditions, whether in tropical climates or in the desert. The paper presents valves which ...
Knife gate valves in water treatment – New developments and market trends
Author: Gerardo Amunarriz
Topic: Industriearmaturen
Year: 2010
Knife gate valves are used within applications with solid-loaded fluids, such as in waste-water treatment, both for flow regulation as well as ON-OFF use. The overall design of a knife gate valve allows it to be much flatter and thinner in ...
Rapid Reaction Valve: Extremely quick and with highly precise reactions
Author: Jasmin Müller
Topic: Industriearmaturen
Year: 2010
The Rapid Reaction Valve (RRV®) is a valve with a completely new operating principle: a magnetisable ball is pulled to its valve seat only by the difference in pressure across the valve. In this position, the valve is closed. When the solenoid is ...
Safe communication, simple diagnosis: Electric actuators in a steam power plant
Author: Michael Herbstritt
Topic: Industriearmaturen
Year: 2010
The Rhine port steam power plant blocks one to three, built in the 1950s and 1960s, are equipped with classic actuators – geared motors with mounted electric motor and mechanical sensors for recording both valve end positions and torque. ...
Safety shut-off devices for industrial plants
Author: Uwe Krabbe
Topic: Industriearmaturen
Year: 2010
The article describes safety shut-off devices that must be used in the industrial sectors of energy generation, chemicals, petrochemicals, metallurgical plants, water management, tank facilities and other industries here plants are subject to high ...
Design of safety valves and rupture disks for storage tanks for cryogenic gases
Author: Olaf Schulenberg
Topic: Industriearmaturen
Year: 2010
The increasing level of standardisation of systems for cryogenic gases means that precise design of pressure relief systems is vital, particularly in view of the potential effects of an incorrectly designed safety valve or a supply line of ...
Valves at high sea
Author: DIRK KLINKSIEK/JASMIN MÜLLER
Topic: Industriearmaturen
Year: 2011
At high sea, the conventional methods of servicing are restricted to a minimum. This is why valves for marine technology have to be designed with the aim of utmost availability. And they have to cope with rough conditions like vibration, salt water ...