E QUIPMENT II
AES enlarges Convertor II m e c h a n i c a l seals
Used in b o t h new i n s t a l l a t i o n s a n d to r e p l a c e p a c k i n g s o r twopiece seals, t h e s t a n d a r d d u t y C o n v e r t o r II size r a n g e from AES E n g i n e e r i n g h a s been ext e n d e d to fit shaft o r sleeve sizes u p to 4" (100 m m ) . The new a n d l a r g e r Convert o r II seals a r e a v a i l a b l e in t h e s a m e m a t e r i a l c o m b i n a t i o n s as t h e s m a l l e r seals a n d have been d e v e l o p e d using t h e s a m e technology F E A p r o g r a m m e to ensure o p t i m u m p e r f o r m a n c e . All AES c a r t r i d g e m e c h a n i c a l seals a r e s t a t i c a l l y t e s t e d (to 8 b a r ) to e n s u r e leak-free operation and they are pre-assembled to their precise w o r k i n g length to facilitate ins t a l l a t i o n a n d give e x t e n d e d p u m p service-life. A c c o r d i n g to AES, t h e clean s i m p l e profile of t h e c o m p e t i tively p r i c e d C o n v e r t o r II enables this b a l a n c e d seal to be
WORLD PUMPS NOVEMBER 1995
f i t t e d i n t o a w i d e r r a n g e o f ances for i m p r o v e d o p e r a t i o n a l r o t a t i n g e q u i p m e n t w i t h o u t reliability. C o n d i t i o n m o n i t o r ing is also a v a i l a b l e t h r o u g h modifications. Sarlin P u m p M a n a g e r systems Contact: Cathy Leatherbarrow, a n d it is c o m p a t i b l e with leadAES Engineering Limited, Mangham Road, Barbo! Hall ing t e l e m e t r y systems. Sarlin says t h a t t h e s t a t i o n ' s Industrial Estate, Rotherham S61 4RJ, UK. Tel: +44 1709 design is as flexible a s t h e u s e r 369966; Fax: + 44 1709 720788. n e e d s it t o b e a n d s p e c i a l r e q u i r e m e n t s c a n be r e a d i l y t a k e n into account.
UK d e b u t for Integra p u m p i n g station Sarlin P u m p s ' I n t e g r a p u m p i n g s t a t i o n h a s been l a u n c h e d in t h e UIC This p r e f a b r i c a t e d u n i t arrives on t h e b a c k of a lorry, r e a d y to install, c o m p l e t e with p u m p s , p i p e w o r k a n d all t h a t is n e e d e d to c o m p l y with 'Sewers for A d o p t i o n -- E d i t i o n 4'. M a n u f a c t u r e d from GRP, it h a s a f o o t p r i n t of 7 m 2, a n d t h e whole p a c k a g e is d e s i g n e d for u n d e r g r o u n d i n s t a l l a t i o n which, says t h e campany, can be perf o r m e d in a m a t t e r of days. Compared with a traditional c o n c r e t e structure, t h i s is said to be m u c h f a s t e r a n d m o r e c o s t - e f f e c t i v e , a n d in s o m e cases, up to 30% c o s t savings have been achieved over concrete p u m p i n g stations. Underground siting is also u n o b t r u s i v e a n d d e t e r s vandals. The I n t e g r a f e a t u r e s a w e t / d r y well design, w i t h t h e p u m p s a n d c o n t r o l e q u i p m e n t cont a i n e d in a dry, c l e a n , a i r c o n d i t i o n e d e n v i r o n m e n t . Access to t h e w e t well is s e l d o m necessary. The s e a m l e s s c h a m b e r s do n o t leak, t h e y r e q u i r e m i n i m a l extra support and are resistant to a wide r a n g e of effluents. They are also r e s i s t a n t to clim a t i c c o n d i t i o n s t h a t a r e far tougher than those experienced in the UtC P r e f a b r i c a t e d stat i o n s of t h i s s o r t a r e widely used, a n d in s o m e p a r t s o f S c a n d i n a v i a this d e s i g n is t h e norm. Some of the earliest Sarlin pumping station p a c k a g e s have been in use for twenty years. E a c h u n i t is fully-equipped with s t a i n l e s s steel p i p i n g a n d Sarlin s u b m e r s i b l e p u m p s feat u r i n g a d j u s t a b l e w e a r clear-
Contact: Jon Nix, Sarlin Ltd, Highcliffe Road, Hamilton Industrial Estate, Leicester LE5 1TY, UK. Tel: +44 116 246 1527; Fax: +44 116 246 0813.
Stuart Turner expands submersible p u m p range S t u a r t T u r n e r h a s a d d e d ano t h e r m o d e l to its high h e a d r a n g e of s u b m e r s i b l e p u m p s . D e s i g n a t e d Diver 4, t h i s fourstage, centrifugal p u m p j o i n s the two-stage Diver 2 and three-stage Diver 3 models. The c o m p a n y h a s also l a u n c h e d a r a n g e of p o r t a b l e j e t p o w e r p u m p s , ideal for a wide r a n g e of domestic applications. The Diver 4 produces h e a d s u p to 46 m a n d flows up to 95 l/rain, m a k i n g it ideal for p r e s s u r e r e q u i r e m e n t s such as p u m p i n g w a t e r from a well o r a w a t e r source to taps, o r a n y clean w a t e r e n v i r o n m e n t requiring a high h e a d o f water. The Diver 3 a n d 4 p u m p s a r e available with a ' B o o s t a m a t i c ' option, d e s i g n e d to p r o v i d e a p r e s s u r i s e d w a t e r s y s t e m for i n s t a l l a t i o n s w h e r e m a i n s pressure is i n a d e q u a t e o r unavailable. Using t h i s option, t h e y a r e i d e a l for i r r i g a t i o n o r w a t e r supply applications where the p u m p can be located, for e x a m ple, in a well o r pond. Autom a t i c s t a r t i n g a n d s t o p p i n g is achieved by t u r n i n g on a t a p s o m e d i s t a n c e away. The c o m p a n y ' s family of subm e r s i b l e p u m p s i n c l u d e s cleana n d d i r t y - w a t e r r a n g e s alongside t h e high h e a d Diver range. C a p a b l e of h a n d l i n g solids u p to 30 m m in d i a m e t e r , t h e t h r e e p u m p s in t h e Vort d i r t y - w a t e r range are ideal for a p p l i c a t i o n s