9 - 11 April 2019 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2017
Zoom product LOGO_Rotary Valve with Contact Detection System

Rotary Valve with Contact Detection System

LOGO_Rotary Valve with Contact Detection System

Rotary Valve with Contact Detection System

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Detection systems are required to stop a rotary valve instantly if it detects rotor to housing contact, avoiding valve damage and consequent product contamination. Also, internal damage almost certainly invalidates ATEX certification for flame containment requirements.  The Gericke RotaVal, RotaSafe RM2 detection circuit is Intrinsically Safe and therefore suitable for all Zones.

The RM2 features innovative control electronics, effectively eliminating the incidence of false contact signals which have been a feature of other contact systems due to their inability to deal with electrical noise from unavoidable sources. The new system accurately measures contact resistance, providing a new level of detection which effectively distinguishes differences between genuine signals and product or CIP fluid conductivity.

The Gerice RotaVal - RotaSafe is a 'Patented Design' Rotalign™ (GB Patent No. 2 522 293) (EU262344) RotaSafe™ RM2(GB 2470 902)


Detection systems are required to stop a rotary valve instantly if it detects rotor to housing contact, avoiding valve damage and consequent product contamination. Even relatively minor internal valve damage almost certainly invalidates ATEX certification requirements by opening a flame path. Significant reduction of this problem can save considerable expense in repair or replacement of affected valves. The RotaSafe RM2™ detection circuit is intrinsically safe and therefore suitable for all ATEX Zones.

RotaSafe RM2™ has innovative control electronics, effectively filtering unwanted electrical noise from unavoidable sources that produce false signals. The system is unique in that it can be adjusted to measure contact resistance at very low values, to reliably distinguish between a genuine fault contact such as product or CIP fluid conductivity.

By avoiding nuisance tripping, manufacturers can cut unnecessary production stoppages and benefit through enhanced protection from costly product contamination. Gericke RotaVal is a major manufacturer of rotary and diverter valves.

Hygienische Kleinmengendosierwaage DIW-PE-GZD200

LOGO_Hygienische Kleinmengendosierwaage DIW-PE-GZD200

Multiflux® Mischer GMS C von Gericke

LOGO_Multiflux® Mischer GMS C von Gericke

Gericke CSM1542 Twin Sifter, sized for the largest applications

LOGO_Gericke CSM1542 Twin Sifter, sized for the largest applications

Gericke Continuous Mixer GCM 800 ECB and 1200 ECB

LOGO_Gericke Continuous Mixer GCM 800 ECB and 1200 ECB
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