Quarter turn control valves

August 2003 Valves, Actuators & Pump Control

In the process industry, control valves are often considered to be the most important element. For plant and personnel safety as well as to satisfy safety regulations, accurate control is now a necessity in critical applications.

For many years the traditional globe valve has been used as the controlling element; however, valve manufacturers continued striving to find the perfect control valve. Important features like shut-off capability, flow capacity, stem leakage, handling of dirty fluids, weight and bulkiness as well as maintenance and costs have led valve manufacturers to seek other solutions for the right valve technology.

Habonim's design engineers believe they have found a good solution to total control in the process industry. Called the V-Port, the ball valve has a simple yet advanced construction, and together with a new controlling device, provides the industrial market with a control element solution that can be used in many applications.

The V-Port ball valve is said to offer many advantages over the globe valve, due to its inherent high flow capacity, floating ball design, seat wiping action and rotary stem. These together with a new seat technology and modular building of computer linked control elements allow the V-Port ball valve to excel in a number of areas, with its makers offering:

* Zero seat leakage.

* High flow capacity.

* Wide rangeability.

* Outstanding repeatability.

* High stability with minimum hysteresis.

* Precise control.

* Specially lapped ball and seat with precise mating.

* Compact size compared to linear control valves and lower torque than segmented valves.

* Various seat designs to suit the application.

* Various coating options with low friction and anti-abrasion features.

* Rotary stem minimises fugitive emissions.

* Easy maintenance, longer life span and low operating cost.

* Various materials available, 316 stainless steel as standard.

* Modular construction of control elements

* Available in three piece and flanged versions.

For more information contact Marc von Ruben, Dupleix Liquid Meters, 011 457 0500, [email protected], www.dlm.co.za

Further reading:

Compact valve position indicator
Emerson Automation Solutions Valves, Actuators & Pump Control
Emerson’s new TopWorx DVR Switchbox is an entry-level addition to the DV Series of valve position indicators. It combines a durable resin enclosure, compact size, and a patented cam design that provides a reliable valve position feedback for water and wastewater systems, food and beverage production lines, and industrial utilities.

Read more...

---

Precision, control and performance in regulators and control valves
Valve & Automation Valves, Actuators & Pump Control
Cashco has long been a trusted name in industrial control solutions, offering a broad range of regulators and control valves designed to meet the rigorous demands of various industries. There are two key Cashco product lines, its regulators and the Ranger QCT control valve.

Read more...

---

Advanced solutions for valves
Bearing Man Group t/a BMG Valves, Actuators & Pump Control
BMG delivers state-of-the-art valve solutions to diverse industries across Africa, in collaboration with InterApp, a global leader in the design and manufacture of high-quality valves.

Read more...

---

ENERGYValves expands operations
Valves, Actuators & Pump Control
ENERGYValves is expanding its operations with a new facility in Cape Town. The new premises will significantly enhance the company’s capacity to serve the Cape Town market and surrounding areas.

Read more...

---

Revolutionising slurry management in mining operations
Valves, Actuators & Pump Control
Dynamic Fluid Control has launched the Vent-O-Mat Slurry Air Release Valve, designed to set new standards in performance and technology for the mining industry.

Read more...

---

Inspection system for leak detection in valves in hazardous areas
Extech Safety Systems Valves, Actuators & Pump Control
Leaking valves in industrial plants not only lead to loss, safety risks and possible contamination and pollution, but also result in high economic costs. Therefore, valves in hazardous areas require regular proper inspection and preventive maintenance to ensure their functionality.

Read more...

---

High-flow solenoid valve
Emerson Automation Solutions Valves, Actuators & Pump Control
Emerson has introduced the new ASCO Series 327C solenoid valve, which features a direct-acting, high-flow design that provides superior flow-to-power ratio. It permits high flows at minimum power levels, making it ideal for use in power plants, refineries, and chemical processing facilities.

Read more...

---

New system improves performance of magnetic drive pumps
Valves, Actuators & Pump Control
KSB Pumps and Valves has introduced its ground-breaking MagnoProtect system for the local petrochemical, chemical and general industry markets ,to enhance the safety and performance of its magnetic drive pumps.

Read more...

---

Emerson software optimises maintenance
Emerson Automation Solutions Valves, Actuators & Pump Control
Emerson has announced the Plantweb Insight Valve Health Application, a powerful software tool that combines Fisher control valve expertise with advanced analytic algorithms. The new app makes it possible for users to visualise an entire connected fleet of valves, while prioritising actions based on the health index of each valve.

Read more...

---

Inline pumps for space-saving applications
Valves, Actuators & Pump Control
Pump manufacturer, KSB Pumps and Valves has introduced its latest EtaLine range of inline pumps, including the advanced EtaLine Pro for diverse applications such as HVAC, industrial recirculation, and heating systems.

Read more...

---