FLUID CONTROL

Versatility seals world’s first claim

The US arm of seals maker John Crane claims to have developed the world’s first truly universal cartridge seal. Designed to fit pumps conforming to American ANSI and German DIN standards , the 5600 series seal is modular and can be customised to suit various applications The concept is based on five basic seal configurations.

JOHN CRANE INTNL ON EXPRESS ENQUIRY CARD 200

* The risk of contamination has been removed from a range of pumps which do not need a separate shaft seal because this has been integrated into the housing design. Targeting drinks vending machinery, medical and pharmaceutical equipment, the electromagnetic pump from Siebe subsidiary ACL-Drayton causes less turbulence and mechanical damage to pumped fluids.

ACL-DRAYTON ON EXPRESS ENQUIRY CARD 201

* A shock absorber that provides car drivers with greater comfort and safety is based on a new fluid that changes its flow properties when it is subjected to an external electrical field.

Developed by Carl Schenck and Bayer, the Rheobay shock absorber responds in less than 10 milliseconds to braking, cornering and changes in vehicle load.

SCHENCK ON EXPRESS ENQUIRY CARD 202

* Butterfly valves coated with a special green finish satisfy the corrosion protection requirements of health and safety legislation covering potable water.

WOUTER WITZEL ON EXPRESS ENQUIRY CARD 203