- Email: [email protected]
Power rating boosted on AC drives
ENT E Q U I P MNEWS
d e m a n d s of commercial building h e a t i n g a n d cooling systems. Pumping applications include hot w a t e r h e a t e r c i r c u l a t i o n , pressure booster systems, a n d cooling towers for office buildings, hotels, hospitals, universities and warehouses. The p u m p s feature direct flange-toflange compatibility which allows a n i n s t a l l e r to r e p l a c e existing p u m p s w i t h o u t timec o n s u m i n g p i p i n g a n d compan i o n flange modifications. In addition, the 326A Series P u m p has a n integral p u m p / m o t o r shaft, m a k i n g spring-type couplings a n d shaft e x t e n s i o n s unnecessary and eliminating p r e m a t u r e n u i s a n c e failures. The new p u m p s are available in both s t a n d a r d a n d build-toorder configurations for optim u m p u m p selection flexibility.
Contact: General Signal Pump Group, 800 Airport Road, North Aurora, IL 60542, USA. Tel: +1 630 859 700; Fax: +1 630 659 7060.
Watson-Marlow's 910 and 915 pumps are engineered for water and waste treatment applications.
will increase tube life s u b s t a n tially. Tube e l e m e n t s are available in five m a t e r i a l s i n c l u d i n g n a t u r a l rubber, BGA approved • Low m a i n t e n a n c e food grade n a t u r a l r u b b e r for use with food mixes, Neoprene, dosing p u m p s EPDM for specific solvent resisoffered to water t a n c e to ketones a n d esters, a n d Hypalon, which has good comindustry patibility with acids, alkalis a n d oxidising agents. A choice of close-coupled or W a t s o n - M a r l o w ' s 900 s e r i e s high-pressure p u m p range has bareshaft p u m p s can be fitted been e x t e n d e d to i n c l u d e two with fixed, variable speed, insmaller p u m p s , specifically de- verter control a n d explosionsigned for chemical dosing in proof motors to suit a p p l i c a t i o n d e m a n d s . Operator safety can water a n d waste t r e a t m e n t apbe i m p r o v e d by a n o p t i o n a l plications. The new 910 a n d 915 interlock switch which e n s u r e s p u m p s have m a n y of the safety t h a t the p u m p c a n n o t be a n d time saving features of the started with the pumphead larger 900 series, i n c l u d i n g a door open. hinged door secured with only three captive bolts, a n d a n easy- Contact: Watson-Marlow Limfit c o n n e c t o r system, b u t m a i n - ited, Falmouth, Cornwall TR11 t e n a n c e a n d o p e r a t i n g costs 4RU, UK. Tel: + 4 4 1326 370370; Fax: + 4 4 1326 376009. have been f u r t h e r reduced. P u m p h e a d s have a u n i q u e one-piece rotor -- no rollers or Power rating removal sliding shoes, a n d single p o i n t a d j u s t m e n t . This feab o o s t e d on t u r e a l l o w s u s e r s to ' t u n e ' drives p u m p s w i t h o u t the need for shims, for o p t i m u m pressure, flow rate a n d t u b e life. Flow E u r o t h e r m Drives h a s q u a d rates u p to 800 1/h a n d pres- r u p l e d the power o u t p u t of its sures u p to 7.5 b a r can be AC drives to cover m o t o r ratachieved; however, if these max- ings u p to 355 kW. Each of the 3 i m u m s are n o t required, quick frame sizes has been carefully a d j u s t m e n t to t u b e occlusion designed to be c o m p a c t whilst
I
AC
still offering high levels of m a i n tainability through modular c o n s t r u c t i o n . The new drives are available as e i t h e r o p e n loop inverters designed for app l i c a t i o n s s u c h as f a n a n d p u m p control, or alternatively as high performance closed loop vector controllers for more demanding multi-drive process control systems. Advanced technology intelligent IGBT power m o d u l e s a n d surface m o u n t c o m p o n e n t cons t r u c t i o n have been employed t h r o u g h o u t the range to e n s u r e the highest levels of reliability. In order to m a x i m i s e any potential downtime the drives have been designed with individual m o d u l a r power p h a s e assemblies. Each power m o d u l e i n c o r p o r a t e s the i n p u t diode bridge link capacitors a n d outp u t t r a n s i s t o r stage associated with the individual p h a s e on a single heatsink. This a p p r o a c h e n a b l e s the user to replace a single easily m a n a g e a b l e u n i t in the event of any power c o m p o n e n t failure r a t h e r t h a n having to replace the complete drive. Each drive m o d u l e is a c o m p l e t e l y selfc o n t a i n e d u n i t comprising all power a n d c o n t r o l e l e m e n t s , a n d are suitable for supplies from 380 to 460 V AC. A high p o w e r i n t e g r a l b r a k e u n i t is available which can be retro-
WORLD PUMPS MARCH 1996
UIPMENT
EQ
NEWS
t i m e to a m i n i m u m . The r a n g e also includes a self-catering stuffing b o x design, which allows a d j u s t m e n t a n d m a i n t a i n s a c c u r a t e c e n t e r i n g of t h e imp e l l e r shaft. The design eliminates oblong packing and leaking p u m p s , p r o v i d i n g a sol u t i o n to a n a g e - o l d p u m p s p r o b l e m . The series is available in nine size options, from 5 x 4 t o 22 x 20 ( 1 0 0 m m t o 450 m m ) , with flow c a p a c i t i e s u p to 30 000 gpm.
Contact: Envirotech Pumpsysterns, 440 W 800 South Salt Lake City, UT 84110-0209, USA. Tel: +1 801 359 8731; Fax: +1 801 355 9303. Eurotherm Drives' new range of high powered AC drives up to 355 kW.
II fitted if required. The o p e r a t o r a n d p r o g r a m m i n g c o n t r o l s are multilingual and can be m o u n t e d r e m o t e l y as well as on t h e front of t h e drive.
Contact: Eurotherm Drives, New Courtwick Lane, Littlehampton, West Sussex, BN17 7PD, UK. Tel: + 4 4 1903 7211311; Fax: + 441903 723938.
•
p r e d i c t a b l e m a i n t e n a n c e cycles to i m p r o v e p l a n t efficiency. A t h r o u g h - b o l t , s p l i t casing e n s u r e s fast a n d e a s y h a n d l i n g of all w e t - e n d p a r t s while field replaceable rubber and metal liners a n d b e a r i n g s keep down-
Pharmaceutical systems m a d e m o r e efficient
Fristam Pumps has developed a pharmaceutical grade, self p r i m i n g p u m p to h e l p i m p r o v e t h e efficiency of CIP systems. All c o n t a c t surfaces of t h e FZ Series
A p u m p that lives rough
ASH P u m p @ h a s u n v e i l e d t h e MCH/MCC ® s e r i e s o f heavyd u t y mill c i r c u i t p u m p s , a n e w l i n e s p e c i f i c a l l y d e s i g n e d to h a n d l e large size p a r t i c l e s in d e n s e , a b r a s i v e slurries. The c o m p a n y b e l i e v e s t h e MCH/ MCC range will meet its c u s t o m e r r e q u i r e m e n t s for a r e l i a b l e a n d effective p u m p in s e v e r e - d u t y service mill c i r c u i t applications. The new line - m a n u f a c t u r e d in a choice of m e t a l o r elastom e r w e a r c o m p o n e n t s incorporates a patented new liner design a n d a d v a n c e d h y d r a u l i c s to give longest p o s s i b l e p a r t s life. Units a r e available in a wide range of sizes to p r o v i d e optim u m flow c h a r a c t e r i s t i c s for m a n y d i f f e r e n t s l u r r i e s . The MCH/MCC u n i t s have been des i g n e d to h a v e r e g u l a r a n d
WORLD PUMPS MARCH 1997
The MCHIMCC®series of circuit pumps has a new liner and superior hydraulics for optimum parts life.
d e m a n d s of commercial building h e a t i n g a n d cooling systems. Pumping applications include hot w a t e r h e a t e r c i r c u l a t i o n , pressure booster systems, a n d cooling towers for office buildings, hotels, hospitals, universities and warehouses. The p u m p s feature direct flange-toflange compatibility which allows a n i n s t a l l e r to r e p l a c e existing p u m p s w i t h o u t timec o n s u m i n g p i p i n g a n d compan i o n flange modifications. In addition, the 326A Series P u m p has a n integral p u m p / m o t o r shaft, m a k i n g spring-type couplings a n d shaft e x t e n s i o n s unnecessary and eliminating p r e m a t u r e n u i s a n c e failures. The new p u m p s are available in both s t a n d a r d a n d build-toorder configurations for optim u m p u m p selection flexibility.
Contact: General Signal Pump Group, 800 Airport Road, North Aurora, IL 60542, USA. Tel: +1 630 859 700; Fax: +1 630 659 7060.
Watson-Marlow's 910 and 915 pumps are engineered for water and waste treatment applications.
will increase tube life s u b s t a n tially. Tube e l e m e n t s are available in five m a t e r i a l s i n c l u d i n g n a t u r a l rubber, BGA approved • Low m a i n t e n a n c e food grade n a t u r a l r u b b e r for use with food mixes, Neoprene, dosing p u m p s EPDM for specific solvent resisoffered to water t a n c e to ketones a n d esters, a n d Hypalon, which has good comindustry patibility with acids, alkalis a n d oxidising agents. A choice of close-coupled or W a t s o n - M a r l o w ' s 900 s e r i e s high-pressure p u m p range has bareshaft p u m p s can be fitted been e x t e n d e d to i n c l u d e two with fixed, variable speed, insmaller p u m p s , specifically de- verter control a n d explosionsigned for chemical dosing in proof motors to suit a p p l i c a t i o n d e m a n d s . Operator safety can water a n d waste t r e a t m e n t apbe i m p r o v e d by a n o p t i o n a l plications. The new 910 a n d 915 interlock switch which e n s u r e s p u m p s have m a n y of the safety t h a t the p u m p c a n n o t be a n d time saving features of the started with the pumphead larger 900 series, i n c l u d i n g a door open. hinged door secured with only three captive bolts, a n d a n easy- Contact: Watson-Marlow Limfit c o n n e c t o r system, b u t m a i n - ited, Falmouth, Cornwall TR11 t e n a n c e a n d o p e r a t i n g costs 4RU, UK. Tel: + 4 4 1326 370370; Fax: + 4 4 1326 376009. have been f u r t h e r reduced. P u m p h e a d s have a u n i q u e one-piece rotor -- no rollers or Power rating removal sliding shoes, a n d single p o i n t a d j u s t m e n t . This feab o o s t e d on t u r e a l l o w s u s e r s to ' t u n e ' drives p u m p s w i t h o u t the need for shims, for o p t i m u m pressure, flow rate a n d t u b e life. Flow E u r o t h e r m Drives h a s q u a d rates u p to 800 1/h a n d pres- r u p l e d the power o u t p u t of its sures u p to 7.5 b a r can be AC drives to cover m o t o r ratachieved; however, if these max- ings u p to 355 kW. Each of the 3 i m u m s are n o t required, quick frame sizes has been carefully a d j u s t m e n t to t u b e occlusion designed to be c o m p a c t whilst
I
AC
still offering high levels of m a i n tainability through modular c o n s t r u c t i o n . The new drives are available as e i t h e r o p e n loop inverters designed for app l i c a t i o n s s u c h as f a n a n d p u m p control, or alternatively as high performance closed loop vector controllers for more demanding multi-drive process control systems. Advanced technology intelligent IGBT power m o d u l e s a n d surface m o u n t c o m p o n e n t cons t r u c t i o n have been employed t h r o u g h o u t the range to e n s u r e the highest levels of reliability. In order to m a x i m i s e any potential downtime the drives have been designed with individual m o d u l a r power p h a s e assemblies. Each power m o d u l e i n c o r p o r a t e s the i n p u t diode bridge link capacitors a n d outp u t t r a n s i s t o r stage associated with the individual p h a s e on a single heatsink. This a p p r o a c h e n a b l e s the user to replace a single easily m a n a g e a b l e u n i t in the event of any power c o m p o n e n t failure r a t h e r t h a n having to replace the complete drive. Each drive m o d u l e is a c o m p l e t e l y selfc o n t a i n e d u n i t comprising all power a n d c o n t r o l e l e m e n t s , a n d are suitable for supplies from 380 to 460 V AC. A high p o w e r i n t e g r a l b r a k e u n i t is available which can be retro-
WORLD PUMPS MARCH 1996
UIPMENT
EQ
NEWS
t i m e to a m i n i m u m . The r a n g e also includes a self-catering stuffing b o x design, which allows a d j u s t m e n t a n d m a i n t a i n s a c c u r a t e c e n t e r i n g of t h e imp e l l e r shaft. The design eliminates oblong packing and leaking p u m p s , p r o v i d i n g a sol u t i o n to a n a g e - o l d p u m p s p r o b l e m . The series is available in nine size options, from 5 x 4 t o 22 x 20 ( 1 0 0 m m t o 450 m m ) , with flow c a p a c i t i e s u p to 30 000 gpm.
Contact: Envirotech Pumpsysterns, 440 W 800 South Salt Lake City, UT 84110-0209, USA. Tel: +1 801 359 8731; Fax: +1 801 355 9303. Eurotherm Drives' new range of high powered AC drives up to 355 kW.
II fitted if required. The o p e r a t o r a n d p r o g r a m m i n g c o n t r o l s are multilingual and can be m o u n t e d r e m o t e l y as well as on t h e front of t h e drive.
Contact: Eurotherm Drives, New Courtwick Lane, Littlehampton, West Sussex, BN17 7PD, UK. Tel: + 4 4 1903 7211311; Fax: + 441903 723938.
•
p r e d i c t a b l e m a i n t e n a n c e cycles to i m p r o v e p l a n t efficiency. A t h r o u g h - b o l t , s p l i t casing e n s u r e s fast a n d e a s y h a n d l i n g of all w e t - e n d p a r t s while field replaceable rubber and metal liners a n d b e a r i n g s keep down-
Pharmaceutical systems m a d e m o r e efficient
Fristam Pumps has developed a pharmaceutical grade, self p r i m i n g p u m p to h e l p i m p r o v e t h e efficiency of CIP systems. All c o n t a c t surfaces of t h e FZ Series
A p u m p that lives rough
ASH P u m p @ h a s u n v e i l e d t h e MCH/MCC ® s e r i e s o f heavyd u t y mill c i r c u i t p u m p s , a n e w l i n e s p e c i f i c a l l y d e s i g n e d to h a n d l e large size p a r t i c l e s in d e n s e , a b r a s i v e slurries. The c o m p a n y b e l i e v e s t h e MCH/ MCC range will meet its c u s t o m e r r e q u i r e m e n t s for a r e l i a b l e a n d effective p u m p in s e v e r e - d u t y service mill c i r c u i t applications. The new line - m a n u f a c t u r e d in a choice of m e t a l o r elastom e r w e a r c o m p o n e n t s incorporates a patented new liner design a n d a d v a n c e d h y d r a u l i c s to give longest p o s s i b l e p a r t s life. Units a r e available in a wide range of sizes to p r o v i d e optim u m flow c h a r a c t e r i s t i c s for m a n y d i f f e r e n t s l u r r i e s . The MCH/MCC u n i t s have been des i g n e d to h a v e r e g u l a r a n d
WORLD PUMPS MARCH 1997
The MCHIMCC®series of circuit pumps has a new liner and superior hydraulics for optimum parts life.