E QUIPMENT NEWS

lers hydraulically balanced to avoid excessive loads

?? multi-stage pumps with shaft coupled to the engine fly- wheel via a flexible joint and supported by oil lubri- cated bearings and hydrauli- cally balanced impellers.

Rovatti flanged pumps are sui- table for irrigation, and civil and municipal applications.

Contact: Rovatti A. & Figli Pompe SpA, 42042 Fabbrico RE, Italy. Tel: +39 522 665000; Fax: +39 522 665020.

Compact progressing cavity pump range grows

Mono Pumps has extended its Monobloc B Range of compact progressing cavity pumps.

A total of 33 single, two and four stage models is now avail- able, capable of achieving capa-

The Monobloc 6 range is designed for cost efficiency and compactness.

cities up to 225 m3/h and differential pressures up to 24 bar.

The range is designed speci- fically for applications where space saving is crucial, for ex- ample in the water and waste treatment industries.

FOR DEEP WELLS

The pumps are designed for high performance:

and long life

The submersible motor: of4”- 6”- 8”art

manufactured to work ir heavy conditions with tht

maximum reliabi

PALMA THE PUMPS FOR YOUR FUTURE

Via Brodolini, 35/A - 42040 Campegine - (RE) Italy Tel. 05221677209 - Fax 05221677633

Monobloc B pumps, are sui- table for handling highly vis- cous liquids, including thickened sludges and slurries. They are also suitable for fi- brous or raggy solids, solids in suspension, and abrasive parti- cles such as sand and gravel making them ideal for a range of applications in the paper, ceramics, chemical, mining, food and beverage industries.

Other features of the Mono- bloc B range are good suction lift capability of over 8 m, positive displacement for pro- cess control, and variable speed for accurate dosing.

Contact: Mono Pumps, Martin Street, Audenshaw, Manchester M34 5D0, UK. Tel: +44 161 339 9000; Fax: + 44 161 344 0727.

Dosing pump range extended

PDP Worldwide has introduced a range of dosing pumps to augment its existing product family.

Designated the ‘D’ range, the new pumps are suitable for flow requirements from 0.25 l/h to 400 l/h. They are available with piston or diaphragm heads to ensure highly accurate dosing with provision for manual dos- ing control of 0% to 100%. Maximum working pressure for piston heads is 4 to 20 bar and for diaphragm heads 4 to 10 bar.

- WORLD PUMPS JULY 1996

E QUIPMENT NEWS

On piston pumps, standard head materials are PVC and AISI 316. If necessary, glanding arrangements can be supplied with water washed seals. Other features include jacketed heads, variant piston seals and single and double valve ball assemblies.

Contact: PDP Worldwide, Dem- bleby, Nr Sleaford, Lincoln- shire NG34 OEL, UK. Tel: +44 1476 77677; Fax: + 44 1476 75233.

Accuracy and control improved

Watson-Marlow’s range of 700 series peristaltic pumps has been upgraded to include two new IP55 cased drives, the 704S/R and 704U/R. The pumps’ microprocessor control and motor drive circuits have been redesigned to increase the

PDP pumps ensure highly accurate dosing.