- Email: [email protected]
Solids handling lift pump
E
QUIPMENT
NEWS
seal housing/bracket with Cornell’s Cycloseal to provide a compact yet heavy-duty pump. The pump has a 100 mm suction/discharge which is maAccording to The AI-OCorpora- chined to DIN or ANSI 125 tion (UK) Ltd one of the main requirements. Discharge is tanselling points of its 3 inch gential, and pump efficiency is diaphragm fluid pump is that up to 78 % with higher efficienit makes use of the company’s cies at low flows. Flow rate can ‘unbalanced’ air valve design. be as high as 230 m3/h. This prevents the air valve from Solids can be up to 80 mm in stalling, sticking and centring. size and heads are up to 25 m. For the 3 inch pump, AR0 The mixed flow impeller has a has expanded on this capability maximum diameter of 210 mm. by introducing Simul-Shift valve Whisper hydraulics ensure that technology, which allows con- operation is very quiet. stant air pressure to be applied Contact: Simon Ruffles, Corto both the pilot and major nell Pumps, Division of Roper shift valves to further enhance Industries (Europe) Ltd, Western Way, Bury St Edmunds, ~ l$eas,aild opportunities c you’ll find bo pump performance. The company’s ‘Quick-Dump’ Suffolk IP33 3SZ, UK. Tel: +44 exhaust valve, as part of the 1284 706922; Fax: + 44 1284 Simul-Shift air motor design, 760256. has been enlarged to improve exhaust flow-through, which in ‘Environmentally turn, eliminates air motor icing. The 3 inch pump is available friendly’ pumps in aluminium, cast iron, and stainless steel for the wetted components, with the option Grundfos Pumps Ltd has anstringent legislation and pake of aluminium and stainless nounced that it has completed steel centre bodies, for aggres- the transition to water-based, sive environments. non-toxic paints for its entire The pump’s bolted construc- range of pumps. tion offers safe, reliable transfer The use of non-toxic paints of fluids, and it uses a ‘hard and coatings reduces the risk contaminajoint’ for sealing the dia- of environmental phragms. This means that the tion and ensure a safer working environment for the compadiaphragm is positively clamped between the fluid and ny’s employees. With a new paint formulation air caps, eliminating the ‘spring effect’. This ensures that the and new, improved methods the company joint has the integrity required of application, to eliminate bolt loosening has been able to reduce the amount of paint required on and breakage. each pump from two layers to Contact: Andy Edwards, The just one coat of paint, reducing AR0 Corporation (UK) Ltd, both the amount of paint used Walkers Road, Redditch, Wor- and waste materials. cestershire, B98 9HE, UK. Under new system, all circuTel: +44 1527 61931; Fax: lator pumps for heating and air+ 44 1527 592299. conditioning systems will be painted red, pumps for water Please send me free visitor tickets to IWEX ‘95 supplies and industry will be Solids handling black. Waste-water pumps will Name lift pump be grey and water tanks for Job Title booster plants will be blue. The new colour coding will not, Company Solids, abrasives, air and gases however, apply to specially decan be handled by the Cornell’s veloped pumps. Address latest solids handling pump, Contact: Grundfos Pumps Ltd, the 4NNTL. Grovebury Road, Leighton Developed with lift stations Buzzard, Bedfordshire, LU7 Post Code in mind, it is based on the 8TL, UK. Tel: +44 1525 established Corhydro design 850000; Fax: + 44 1525 850011. Tel Fax and incorporates an integrated
Diaphragm pump is ‘unstallable’
Company
WORLD
Activity
PUMPS
SEPTEMBER
1995
II
QUIPMENT
NEWS
seal housing/bracket with Cornell’s Cycloseal to provide a compact yet heavy-duty pump. The pump has a 100 mm suction/discharge which is maAccording to The AI-OCorpora- chined to DIN or ANSI 125 tion (UK) Ltd one of the main requirements. Discharge is tanselling points of its 3 inch gential, and pump efficiency is diaphragm fluid pump is that up to 78 % with higher efficienit makes use of the company’s cies at low flows. Flow rate can ‘unbalanced’ air valve design. be as high as 230 m3/h. This prevents the air valve from Solids can be up to 80 mm in stalling, sticking and centring. size and heads are up to 25 m. For the 3 inch pump, AR0 The mixed flow impeller has a has expanded on this capability maximum diameter of 210 mm. by introducing Simul-Shift valve Whisper hydraulics ensure that technology, which allows con- operation is very quiet. stant air pressure to be applied Contact: Simon Ruffles, Corto both the pilot and major nell Pumps, Division of Roper shift valves to further enhance Industries (Europe) Ltd, Western Way, Bury St Edmunds, ~ l$eas,aild opportunities c you’ll find bo pump performance. The company’s ‘Quick-Dump’ Suffolk IP33 3SZ, UK. Tel: +44 exhaust valve, as part of the 1284 706922; Fax: + 44 1284 Simul-Shift air motor design, 760256. has been enlarged to improve exhaust flow-through, which in ‘Environmentally turn, eliminates air motor icing. The 3 inch pump is available friendly’ pumps in aluminium, cast iron, and stainless steel for the wetted components, with the option Grundfos Pumps Ltd has anstringent legislation and pake of aluminium and stainless nounced that it has completed steel centre bodies, for aggres- the transition to water-based, sive environments. non-toxic paints for its entire The pump’s bolted construc- range of pumps. tion offers safe, reliable transfer The use of non-toxic paints of fluids, and it uses a ‘hard and coatings reduces the risk contaminajoint’ for sealing the dia- of environmental phragms. This means that the tion and ensure a safer working environment for the compadiaphragm is positively clamped between the fluid and ny’s employees. With a new paint formulation air caps, eliminating the ‘spring effect’. This ensures that the and new, improved methods the company joint has the integrity required of application, to eliminate bolt loosening has been able to reduce the amount of paint required on and breakage. each pump from two layers to Contact: Andy Edwards, The just one coat of paint, reducing AR0 Corporation (UK) Ltd, both the amount of paint used Walkers Road, Redditch, Wor- and waste materials. cestershire, B98 9HE, UK. Under new system, all circuTel: +44 1527 61931; Fax: lator pumps for heating and air+ 44 1527 592299. conditioning systems will be painted red, pumps for water Please send me free visitor tickets to IWEX ‘95 supplies and industry will be Solids handling black. Waste-water pumps will Name lift pump be grey and water tanks for Job Title booster plants will be blue. The new colour coding will not, Company Solids, abrasives, air and gases however, apply to specially decan be handled by the Cornell’s veloped pumps. Address latest solids handling pump, Contact: Grundfos Pumps Ltd, the 4NNTL. Grovebury Road, Leighton Developed with lift stations Buzzard, Bedfordshire, LU7 Post Code in mind, it is based on the 8TL, UK. Tel: +44 1525 established Corhydro design 850000; Fax: + 44 1525 850011. Tel Fax and incorporates an integrated
Diaphragm pump is ‘unstallable’
Company
WORLD
Activity
PUMPS
SEPTEMBER
1995
II