- Email: [email protected]
Low-cost, high-head magnet drive pumps
EQUIPMENT I
NEWS
greater flow and higher heads are n e e d e d . A v a i l a b l e in 3, 5, 7V2, 10, 15 a n d 20 h p w i t h h e a d s to 270 ft a n d f l o w s to 325 gal/min. O t h e r features include: •
Heavy d u t y cast i r o n ASTM A48 class 30 casing w i t h built-in drain and p r i m i n g p l u g s a n d bolt-on s u c t i o n flange. Extra-large p r i m i n g c h a m b e r for fast, troublefree p r i m i n g . • Bolt-on s u c t i o n flange available in a variety o f sizes to a c c o m m o d a t e specific f l o w and horsepower requirements. • Built-in check valve prevents siphoning and n e e d for r e p r i m i n g . N o e x t e r n a l c h e c k valve is required. • Bronze e n c l o s e d impeller, single piece design, b a l a n c e d a n d t r i m m e d for a specific o p e r a t i n g range. • R e n e w a b l e b r o n z e shaft sleeve is k e y e d to t h e m o t o r shaft. • M e c h a n i c a l shaft seals c a r b o n and c e r a m i c faces, plus stainless steel c o m p o nents eliminate maintenance problems. Contact: Griswold Pump Company, 107 Plantation Oak Drive, Thomasville, GA, USA.
High-pressure multistage centrifugal pump ut
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W a u k e s h a C h e r r y - B u r r e l l has i n t r o d u c e d its n e w 200MS Series high-pressure multistage centrifugal pump. Especially designed for recirculating service in r e v e r s e o s m o s i s and o t h e r m e m b r a n e systems, t h e 200MS Series p u m p s p r o v i d e l o w start-up a n d r u n costs. T h e 200MS Series p u m p s are e q u i p p e d w i t h a balanced, double-shaft seal w i t h b u f f e r fluid p o r t s o n t o p a n d b o t t o m for c o m p l e t e removal of air/vapor from the scal
WORLD PUMPS JANUARY 1998
chamber. The s m o o t h , c o n s t a n t flow rate reduces RO membrane fouling when c o m p a r e d to p i s t o n p u m p s . The p u m p s can generate 250 psi and are d e s i g n e d to handle u p to 1250 psi m a x i m u m casing p r e s s u r e (at discharge) w h e n p l a c e d in a series. Wet e n d parts are 316 stainless steel. T h e p u m p s are CIPable and d e s i g n e d for easy t a k e d o w n and assembly. Flush t y p e seals are standard. Contact: Waukesha CherryBurrell, 611 Sugar Creek Road, Delavan WI 52115, USA. Tel: +1 414 728 1900; Fax: +1 414 728 4904.
Low-cost, highhead m a g n e t drive p u m p s Liquiflo E q u i p m c n t C o m p a n y has i n t r o d u c e d the Centry range of magnet-drive centrifugal p u m p s w h i c h offer substantial savings in p u r c h a s e p r i c e and p r o v i d e m o r e efficicnt o p e r a t i n g p e r f o r m a n c e than c o n v e n t i o n a l centrifugal pumps. Centry p u m p s are available in t h r e e sizes with conventional impellers, and t w o sizes w i t h a high-head "Turbo" impeller. C e n t r y features f l o w rates from 2 g p m to 120 gpm. T h c y o p e r a t e at t e m p e r a t u r e s of-60°F to +600°E flanged o r threaded, and are fabricated in 316 SS, Alloy 20 and Alloy C. Efficiencies o f u p to 70% are a c h i e v e d at a p r i c e r e d u c t i o n o f 30% w h e n c o m p a r e d w i t h ANSI 1 ~/2 x 1 x 6 p u m p s . L o w e r m a g n e t i c losses p r o v i d e annual power savings a n d l o n g e r b e a r i n g life in m o s t applications. High h e a d c a p a b i l i t y (to 300 ft) a n d c l o s e c o u p l e d designs are o t h e r features o f the C e n t r y series. A p p l i c a t i o n s i n c l u d e transfer, circulation, blending, u n l o a d i n g a n d h e a t transfer. Major c h e m i c a l s that may b e p r o c e s s e d i n c l u d e sulfuric acid, h y d r o g e n p e r o x i d e , isocyanate,
m e t h a n o l c h l o r i d e and miscellaneous h y d r o c a r b o n s . Contact: Liquiflo Equipment Company, 443 North Avenue, Garwood NJ 07027. Tel: +1 908 518 0666; Fax: +1 908 518 1847; www.liquifio.com.
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Two additions to disc p u m p range
Discflo has d e v e l o p e d t w o n e w series o f p u m p s to c o m p l e m e n t its e x i s t i n g r a n g e o f disc pumps. The new pump models are based, respectively, a r o u n d 12 inch a n d 17 inch Discpacs, the unique non-impingement p u m p i n g m e c h a n i s m at t h e h e a r t of the disc p u m p . T h e y c o m p l e t e the s t a n d a r d range o f disc p u m p s , w h i c h are b a s e d a r o u n d a 10 inch, 14 inch and 20 inch Discpacs. T h e n e w series will allow Discflo to m e e t t h e n e e d s o f users m o r e closely, a n d p r o d u c e a m o r e e f f i c i e n t s o l u t i o n to their p u m p i n g p r o b l e m s . At the h e a r t of the Discflo p u m p is a series o f parallel discs, called the Discpac, w h i c h moves product using thc combined principles of b o u n d a r y layer a n d v i s c o u s drag - essentially friction. T h e savings in repairs, d o w n t i m c and maintenance using the Discflo p u m p , c o m p a r e d to a c o n v e n t i o n a l p u m p sized for t h e s a m e a p p l i c a t i o n , are as m u c h as 90% - a figure that has b e e n p r o v e n in n u m e r o u s fullscale industrial installations. The Discflo p u m p is available in various models, including in-line, frame m o u n t e d , API-610 version, sump, submersible, cantilever, dry pit, serf-priming, a n d c l o s e c o u p l e d , to m c c t f l o w rates from 2 to 10 000 g p m and discharge pressures up to 1200 ft. Contact: Discflo Corporation, 1817 John Towers Ave, El Cajon, CA 92020, USA. Tel: +1 619 596 3181; Fax: +1 619 449 1990. www.discflo.com.
NEWS
greater flow and higher heads are n e e d e d . A v a i l a b l e in 3, 5, 7V2, 10, 15 a n d 20 h p w i t h h e a d s to 270 ft a n d f l o w s to 325 gal/min. O t h e r features include: •
Heavy d u t y cast i r o n ASTM A48 class 30 casing w i t h built-in drain and p r i m i n g p l u g s a n d bolt-on s u c t i o n flange. Extra-large p r i m i n g c h a m b e r for fast, troublefree p r i m i n g . • Bolt-on s u c t i o n flange available in a variety o f sizes to a c c o m m o d a t e specific f l o w and horsepower requirements. • Built-in check valve prevents siphoning and n e e d for r e p r i m i n g . N o e x t e r n a l c h e c k valve is required. • Bronze e n c l o s e d impeller, single piece design, b a l a n c e d a n d t r i m m e d for a specific o p e r a t i n g range. • R e n e w a b l e b r o n z e shaft sleeve is k e y e d to t h e m o t o r shaft. • M e c h a n i c a l shaft seals c a r b o n and c e r a m i c faces, plus stainless steel c o m p o nents eliminate maintenance problems. Contact: Griswold Pump Company, 107 Plantation Oak Drive, Thomasville, GA, USA.
High-pressure multistage centrifugal pump ut
....,
. . . .
_
.
.
.
.
.
.
.
W a u k e s h a C h e r r y - B u r r e l l has i n t r o d u c e d its n e w 200MS Series high-pressure multistage centrifugal pump. Especially designed for recirculating service in r e v e r s e o s m o s i s and o t h e r m e m b r a n e systems, t h e 200MS Series p u m p s p r o v i d e l o w start-up a n d r u n costs. T h e 200MS Series p u m p s are e q u i p p e d w i t h a balanced, double-shaft seal w i t h b u f f e r fluid p o r t s o n t o p a n d b o t t o m for c o m p l e t e removal of air/vapor from the scal
WORLD PUMPS JANUARY 1998
chamber. The s m o o t h , c o n s t a n t flow rate reduces RO membrane fouling when c o m p a r e d to p i s t o n p u m p s . The p u m p s can generate 250 psi and are d e s i g n e d to handle u p to 1250 psi m a x i m u m casing p r e s s u r e (at discharge) w h e n p l a c e d in a series. Wet e n d parts are 316 stainless steel. T h e p u m p s are CIPable and d e s i g n e d for easy t a k e d o w n and assembly. Flush t y p e seals are standard. Contact: Waukesha CherryBurrell, 611 Sugar Creek Road, Delavan WI 52115, USA. Tel: +1 414 728 1900; Fax: +1 414 728 4904.
Low-cost, highhead m a g n e t drive p u m p s Liquiflo E q u i p m c n t C o m p a n y has i n t r o d u c e d the Centry range of magnet-drive centrifugal p u m p s w h i c h offer substantial savings in p u r c h a s e p r i c e and p r o v i d e m o r e efficicnt o p e r a t i n g p e r f o r m a n c e than c o n v e n t i o n a l centrifugal pumps. Centry p u m p s are available in t h r e e sizes with conventional impellers, and t w o sizes w i t h a high-head "Turbo" impeller. C e n t r y features f l o w rates from 2 g p m to 120 gpm. T h c y o p e r a t e at t e m p e r a t u r e s of-60°F to +600°E flanged o r threaded, and are fabricated in 316 SS, Alloy 20 and Alloy C. Efficiencies o f u p to 70% are a c h i e v e d at a p r i c e r e d u c t i o n o f 30% w h e n c o m p a r e d w i t h ANSI 1 ~/2 x 1 x 6 p u m p s . L o w e r m a g n e t i c losses p r o v i d e annual power savings a n d l o n g e r b e a r i n g life in m o s t applications. High h e a d c a p a b i l i t y (to 300 ft) a n d c l o s e c o u p l e d designs are o t h e r features o f the C e n t r y series. A p p l i c a t i o n s i n c l u d e transfer, circulation, blending, u n l o a d i n g a n d h e a t transfer. Major c h e m i c a l s that may b e p r o c e s s e d i n c l u d e sulfuric acid, h y d r o g e n p e r o x i d e , isocyanate,
m e t h a n o l c h l o r i d e and miscellaneous h y d r o c a r b o n s . Contact: Liquiflo Equipment Company, 443 North Avenue, Garwood NJ 07027. Tel: +1 908 518 0666; Fax: +1 908 518 1847; www.liquifio.com.
[]
Two additions to disc p u m p range
Discflo has d e v e l o p e d t w o n e w series o f p u m p s to c o m p l e m e n t its e x i s t i n g r a n g e o f disc pumps. The new pump models are based, respectively, a r o u n d 12 inch a n d 17 inch Discpacs, the unique non-impingement p u m p i n g m e c h a n i s m at t h e h e a r t of the disc p u m p . T h e y c o m p l e t e the s t a n d a r d range o f disc p u m p s , w h i c h are b a s e d a r o u n d a 10 inch, 14 inch and 20 inch Discpacs. T h e n e w series will allow Discflo to m e e t t h e n e e d s o f users m o r e closely, a n d p r o d u c e a m o r e e f f i c i e n t s o l u t i o n to their p u m p i n g p r o b l e m s . At the h e a r t of the Discflo p u m p is a series o f parallel discs, called the Discpac, w h i c h moves product using thc combined principles of b o u n d a r y layer a n d v i s c o u s drag - essentially friction. T h e savings in repairs, d o w n t i m c and maintenance using the Discflo p u m p , c o m p a r e d to a c o n v e n t i o n a l p u m p sized for t h e s a m e a p p l i c a t i o n , are as m u c h as 90% - a figure that has b e e n p r o v e n in n u m e r o u s fullscale industrial installations. The Discflo p u m p is available in various models, including in-line, frame m o u n t e d , API-610 version, sump, submersible, cantilever, dry pit, serf-priming, a n d c l o s e c o u p l e d , to m c c t f l o w rates from 2 to 10 000 g p m and discharge pressures up to 1200 ft. Contact: Discflo Corporation, 1817 John Towers Ave, El Cajon, CA 92020, USA. Tel: +1 619 596 3181; Fax: +1 619 449 1990. www.discflo.com.