Ball valves with 100% shutoff April 2003, Spirax Sarco South Africa Valvtechnologies' metal-seated ball valves are designed to operate in high temperatures, under extreme pressures, in erosive environments. Their integral seat design improves performance over conventional ...
Valves for low and high temperature gas applications April 2003, Spirax Sarco South Africa Mitech's damper valves are specifically used by the local industry and their largest damper supplied to date is 1,8 m in diameter and was made from stainless steel. The locally designed and manufactured ...
Electric actuator - an easy solution for complex processes April 2003 Complicated processes do not always require complex solutions. Utilising actuators for precise positioning of dampers and valves in process control can help to improve efficiency, reduce waste, and lower ...
On the selection of valves April 2003 Valve selection in the main is an arbitrary subject. It can be based on many factors such as tradition, operational experience, perceived suitability for process conditions, operational lifespan requirements, ...
Electric valve actuators ready for the latest fieldbus systems March 2003 The ELQ series plug in modules are used for a broad range of control options enabling the basic actuator specification to be easily extended to that of fully-fledged control valve actuator
Control valve supplier for demanding applications March 2003 DLM offers a comprehensive range of products sourced from leading international manufacturers, providing optimum solutions in a wide range of industries
Factors affecting control valve performance - Part 5: Valve sizing March 2003, Automation Control Solutions When selecting a valve, it is important to consider the valve style, inherent characteristic, and valve size that will provide the broadest possible control range for the application
Valves open new opportunities for the Cape March 2003, Atelier SA, Surveillance Internationally accredited valves from GSR Valve Technology now available ex-stock and with full local support in South Africa. The company has chosen to invest in full branches in the Cape, Port Elizabeth ...
Tank blanketing valve March 2003, Spirax Sarco South Africa, Commercial (Industry) Tank blanketing is the injection of a gas into the vapour space of a liquid storage tank. This is done to maintain a blanket of gas above the stored liquid to prevent atmospheric air entering the tank, ...
Valve connectors with snap-in connectors speed up cabling March 2003, Phoenix Contact Actuator cables with individual cable lengths can now be prepared quickly and cheaply with the new SACC-VQ valve connector using the Quickon snap-in connection technique from Phoenix Contact - without ...
Globe control valves for high pressures February 2003, Spirax Sarco South Africa Mitech's globe control valves are suitable for high-pressure applications and extreme temperature conditions. Locally designed and manufactured, they can be adapted for use with various corrosive fluids ...
200 mm control valve drops 67 MPa February 2003, Spirax Sarco South Africa There are only a limited number of mechanisms that can be used to dissipate energy and to drop the pressure gradually so that high velocity/low pressure regions can be avoided, essential if the valve ...
Self-contained dart valves February 2003, Spirax Sarco South Africa A range of specialised dart valves is designed and manufactured by Mitech according to the client's specifications. Both plug and seat can be made from various materials, however, the most popular is ...
Boiler feed-water leak-off valves February 2003, Spirax Sarco South Africa Mitech's boiler feed-water leak-off valves protect boiler feed-water pumps from operating at too low a flow rate. The Mitech valves, which were used in a recent application, replaced other types that ...
Valve sizing and specifying software February 2003, Automation Control Solutions The Firstvue valve-sizing program helps users identify the control valve package best suited to each specific set of service conditions. Firstvue's powerful valve selection features may be used to specify ...
Protection for LV pump motors February 2003, NewElec Pretoria NewElec is offering a compact range of chassis-mounted, microprocessor-based motor protection relays that are designed for low voltage pump motors. The K Series offers complete protection while allowing ...
