The shut-off valve is a fitting for shutting off the flow of a fluid in a pipeline. These fittings include butterfly valves, gate valves and ball valves.
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At the beginning of October, the AVK Group acquired 100 percent of the shares in the Bayard and Belgicast groups. The two valve manufacturers are active in Spain, France, Italy, Portugal and China. Bayard and Belgicast ...
The Ingelfingen-based technology company GEMÜ has launched two new solutions for the connection of single-use multi-port valve blocks. Firstly, it is now possible to control the locking of the valve block pneumatically ...
SAMSON LEUSCH GmbH Industriearmaturen has set up a high-performance facility especially for large butterfly valves. The test bench ensures the quality of the company’s control and butterfly valves. The valves are ...
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 ...
Bureau Veritas Italia has certified Emerson’s BM6X series slam-shut valves for use in hydrogen applications. The certification of the slam-shut valves is valid for applications with up to 100 % hydrogen at a ...
Manufacturer Bray presents two high performance ball valves designed for application specific solutions in the harshest environments. Bray’s segmented ball valves Series 19 and Series 19L combine the shearing action ...
At the beginning of May 2019, KSB SAS, a member of the KSB Group, launched a new type of liner for its ISORIA butterfly valve type series. It is manufactured from hydrogenated nitrile butadiene rubber (HNBR) and ...
The new Type 3598 Cryogenic Valve by SAMSON was specially developed to meet the requirements of cryogenic applications. The valve is available in sizes up to NPS 8 and pressure ratings up to Class 900 and is suitable ...
ARI-Armaturen is presenting for the first time a double eccentric, metallic sealing High Performance-Valve: the new ZEDOX. It is a durable, energy-efficient valve with perfect handling and represents the economic ...
The VAG-Group has extended its product range of resilient-seated knife gate valves by nominal diameters of up to DN1400. As a result, the VAG ZETA® Knife Gate Valve is now available in all common nominal diameters ...
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Author: Christian Neye and Manfred Paulus
For metal and plastic piping systems in applications with a maximum medium pressure of 10 bar, it is more difficult to select the appropriate materials for butterfly valves than for ball valves or diaphragm valves. But-terfly valves in plastic ...
Triple-eccentric control and shut-off butterfly valves – New developments, production methods and fields of application
Author: Michael Knippschild
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 ...
Author: Timo Jäckle/Karl-Heinz Mayer, Wolfgang Paul
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 ...
Author: Peter Oppinger
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 ...