New Test Cell

The major news this month is the installation and commissioning of Pump Supply & Repair Group’s  £100,000 investment in our Test Cell In short we can now Test Pumps up to 300kW and produce a full performance curve INCLUDING power, efficiency and NPSH. Our New test cell is used to quantify the hydraulic and mechanical quality of our repair and pre-test pumps to determine if work is necessary. To see our Test Facilities webpage with a video showcasing our Thermodynamic Testing Capabilities, please click here 

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Ash Crusher Repair

Ash Crusher Repair Pump Supply & Repair Group have recently undertaken the repair of a coal ash crusher on behalf of a UK power station. The crusher was found to be in a poor condition after many years of service. Impact damage was found to the rotor hubs which needed to be corrected by carrying weld repairs using stelite impact HS360 rod. Other areas of concern included wear to the shaft locations and wear to the gland sleeves. these areas were spiral welded and machined. Both gears were also found to be worn with excessive clearance found between the teeth. New gears were manufactured and fitted then new side sections were fabricated and fitted to badly eroded areas. Internals and externals of the hopper box were grit-blasted. The unit was then rebuilt with new copper bearing assemblies, new sets of packing rings and new gasket & shim sets. We have modified the main problem area which was the primary cause of bearing failure – gland leakage – fitted new labyrinth seals and large shaft throwers to deflect debris away from bearings. The unit was spray painted and then dispatched to the customer and is now back in operation. Repairs Quotation Engineer Email: ssmith@pumpgroup.co.uk Direct No: 0161 864 5176

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Belzona Repairs

Pump Supply & Repair Group were asked to offer advice regarding how to repair excessive corrosion to steel pipework on an exhaust steam manifold from a boiler house without replacing a complex manifold. In December 2008 the inlet flange and 1500mm of the pipe bore was coated internally in situ on site using Belzona 1511 Super High Temperature Metal to recover the surface profile, then coated with Belzona 1391 Ceramic HT Metal. Inspection twelve months later revealed that although the coating had been attacked by cavitation caused by high pressure steam, no further damage had occurred to the pipework. Once again, the Belzona coating has arrested the corrosion of the pipework, effectively increasing its life – additional coatings can now be applied to prolong the life further and avoid the expensive steel pipework replacement program previously carried out on this site. The repair was carried out during a three day shut down. Site Services Manager Email: clambley@pumpgroup.co.uk Mobile No: 07887 721900

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In House Repair Video

Pump Supply & Repair Group have recently been filming the Repair Activity in our new purpose built repair workshop. This is the first of many videos to come to showcase our experience and expertise on overhaul of all types of rotating equipment from around the UK.

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High Temp Chemical Reactor Fan

Pump Supply and Repair Group have recently refurbished a high temperature (650 °C) reactor fan for a major chemical supplier. The failure occurred on site during cold weather, where water-cooled equipment froze during January. Bearing design was from the 1960’s, so this technology was white metal liners inside cast iron water-cooled housings. The units had temperature probes to monitor bearing temperatures. As can be seen above, the water-cooled bearings have cracked in frost conditions, causing major damage resulting in plant shutdown time and loss of production. The total fan unit was disassembled, M.P.I. testing of castings was carried out. All water chambers were bead blasted to identify problems at M.P.I. test stage. Some cast iron gas welding was carried out at our Manchester workshops. The castings were cold metal stitched. All water chambers coated with Belzona 1341 Superglide. To reduce future scale up problems, the main shaft has been hard chrome coated on bearing areas to original sizes, where the white metal bearings run. Both white metal bearings were re-lined and bored, scraped to correct fit and clearance. All bearings aligned on site. The fan assembly was balanced to G. 2.5 Dynamic @ 3500 RPM. The unit was commissioned on site to aid the customer achieve tight delivery schedules. Operations Director Email: mcooper@pumpgroup.co.uk Tel: 0161 864 4678

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Pump Supply & Repair Group are on the move

This month sees the next exciting stage of growth for our Group, we have now moved to our new purpose built premises, CP House, in Trafford Park, Manchester, doubling our premises space to 32,000 ft2.

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Pump Group Awarded UK’s first Belzona Authorised Coating Centre

The process of getting Authorised Coating Centres up and running is going full steam ahead, with Gordon Cairns being the driving force behind the concept, together with excellent support from Jamie Gallagher. We are pleased to announce we have recently been appointed the U.K.’s first Belzona Authorised Coating Centre. We have both in-house blast facility and a dedicated coating application room. This facility plus a close working relationship with Belzona U.K. Sales Force and Head Office Technical Support provides National exposure and opportunities across a diverse client base and range of applications both on and off site. Says Gordon, “Nearly two years ago the concept of Belzona Authorised Coating Centres was created to differentiate regular M & E Contractors from a specialist group of service centres that invested in surface preparation equipment, a dedicated coating room / area that was temperature controlled and on-going commitment to train staff in the techniques of Belzona applications, together with nominating a Belzona Champion to ensure high quality applications that we at Belzona are proud of. Ian Pendleton receives his certificate of Authorisation from Gordon Cairns. “These centres will focus on rotating equipment, essentially pumps, but also including fans, blowers, screw conveyors, agitators etc. The benefit to the customer will be that we provide a full turnkey service on rotating equipment that offers mechanical repair / replacement and polymeric repair and long term protection. “Furthermore, this gives us the platform to target key industries such as Petrochemical, Power, Paper and Water which require the TOTAL SERVICE, not just the Belzona Service. “The benefit to the Service Centre is ‘a bolt on’ Belzona product sales and labour to existing business coming through the workshop. Furthermore, one of the pre-requisites is for the Coating Centre to have a Authorised to Coat salesforce that promotes the new business opportunity and works closely as partners to achieve sales growth for each company.” On Friday last week Pump Supply & Repair Group (PSRG) were presented with their Authorised Coating Centre certificate by Gordon. Ian Pendleton of PSRG had this to say “We have built up an excellent relationship with many Belzona personnel over the last 4 years both at Harrogate and with sales personnel across the UK from Aberdeen to Kent. The partnership has allowed us to jointly enter accounts together, to secure business which individually we were unable to do so. “We have made a significant investment in … Continue reading

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