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PRODUCTS & APPLICATIONS PUMPS, VALVES & ACTUATORS VSD TO THE RESCUE


When flood damage at a pumping station threatened to cut the water supply to 25,000 homes, a rapid response from an ABB authorised value provider helped Essex & Suffolk Water keep the water flowing. Thirty minutes before the water supply to 25,000 homes ran dry, Gibbons Engineering Group commissioned a new variable speed drive, avoiding 67,000 people from being deprived of water. Essex & Suffolk Water’s pumping


station is an unmanned site in Herongate. A split water pipe flooded the pumping station and crippled the electrical equipment. This included the existing VSD and two of the three motors used to control the station’s treated water transfer pumps. The VSD which is installed on the lead pump, and is in almost constant operation, transfers up to 12 million litres of potable water each day from a sealed underground reservoir. Robert Wilson, maintenance team


manager – electrical for Essex & Suffolk Water said: “We were able to maintain supply in the short term by using water from four onsite storage reservoirs. However, hourly trend analysis revealed that the water would run out by evening, stranding our customer base.” Wilson contacted Gibbons, who


installed and commissioned an ABB 110 kW VSD on the site’s only working motor. Thirty minutes before water reserves would have run out, the Herongate site started pumping again.


ABB new.abb.com CLIENT SUPPORT HELPS IDENTIFY ISSUES BEFORE THEY OCCUR


The Rotork Client Support Programme (CSP) has been chosen by the Hengyuan Refining Company Berhad for the asset management of Rotork valve actuation equipment at its Port Dickson refinery, a refiner, manufacturer and supplier of petroleum products in Malaysia. Awarded to Rotork Malaysia, the CSP will run for


two years initially, with the option to extend to four. It is designed to meet the company’s specific needs, encompassing 157 Rotork electric actuators, a Rotork Master Station and Pakscan control loop testing facility.


The Rotork CSP offers a tailor-made service


designed to increase reliability and availability of valve actuator and control products via planned maintenance, predictive maintenance and asset management. The goal is to identify and eliminate any potential issues before they occur. This includes equipment checks, replacement of worn components and partial or complete overhauls at specific periods. CSP clients have 24/7 access to Rotork Support


Centres, with prioritised technical assistance. Benefits such as increased production and reduced


year-on-year maintenance costs are supported by generated reports detailing cost savings and performance improvements.


Rotork VALVES WITHSTAND CORROSIVE SALT WATER


Process systems operating in highly corrosive marine and salt water environments require control valves which are designed to provide resistance. A good example of this is on reverse osmosis plants and salt water desalination plants in marine applications, which is where BADGER METER valves have proven effective. The Badger Meter RC250/200 Valves are available in the UK from PUMP ENGINEERING. In reverse osmosis applications, the pressures required to


desalinate seawater are in the range of 50 – 60 Bar and must be controlled accurately to ensure that the membranes are protected from damage. Machined from 316L, 904L or duplex stainless steel, the RC250 barstock valve offers corrosion resistance combined with accurate pressure control. For reverse osmosis applications, the valves are supplied with 240v, 110v, or 24v DC electric actuators which are suitable for a seawater environment with position feedback and 3 point control. Badger valves offer a compact and simple modular construction and are suited to the control of liquids, gasses or steam in industrial, research or process pilot plants. They are designed to handle system pressures of up to 340 Bar (100 bar if fitted with bellows) and are available with trims with a CV range of 0.0000018 to 6.0 and will withstand temperatures of -70ºC up to 530ºC.


Pump Engineering www.pumpeng.co.uk ‘TRY-BEFORE-YOU-BUY’ PROVES SUCCESSFUL AT DAIRY


Dairy Crest, makers of some of the UK’s best-loved food brands, has upgraded its wastewater treatment process by investing in a new mixing system from Landia. Four new stainless steel AirJets,


which incorporate the Landia’s chopper pump, have been installed in balance tanks that require thorough mixing. Dai Williams, project manager at


Dairy Crest, said: “Initially we did a try-before-you-buy with Landia, renting an AirJet unit at low cost to put it through its paces. It proved robust, reliable and effective.” He added: “As demand for our products has increased, so has the


34 MARCH 2019 | PROCESS & CONTROL


need to increase our production capacity, so it is important that we invest in top quality equipment with a long lifespan and low maintenance. Landia’s AirJet very much meets these requirements – and removes the cost of adding chemicals or using energy- intensive blowers.” Supplied on free-


standing frames for easy servicing, the Landia AirJet (consisting of a Landia chopper pump and an ejector system) is designed with an effective knife system that stops the aerator from


becoming clogged by solids. Producers of household-name brands such as Cathedral City, Clover and Vitalite, Dairy Crest works in close partnership with farmers to help their businesses grow and become more successful.


Landia www.landia.co.uk


www.rotork.com


FLEXIBLE FILLING The ever-


increasing variety of beverages, liquid foodstuffs and pharmaceuticals presents major challenges for plant operators and plant designers. Maximum flexibility is often incompatible with low conversion and maintenance costs. GEMÜ has reacted to these


requirements by bringing an innovative filling valve platform to the market. It is based on the GEMÜ PD design and comprises a highly resistant plug diaphragm (PD) made of modified PTFE (TFM). This enables hermetic separation of the actuator parts and the product area, a high number of switching cycles and precise dosing. At the same time, the patented cartridge spare parts system makes maintenance simple and fast. The valves are FDA- and USP Class IV-compliant and meet the requirements of ‘Hygienic Design’. The range currently comprises a pneumatically operated GEMÜ F40 filling valve and a motorised GEMÜ F60 filling valve. The F40 filling valve meets the high standards expected of an aseptic valve for use in the pharmaceutical and food industries. The F60 filling valve can be actuated in real time and is controlled electronically, meaning that it will be easier for users to adjust or rearrange the filling machine when changing the medium or filling container.


GEMÜ www.gemu-group.com


/ PROCESS&CONTROL


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