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Leading Trade Fair for Powder & Bulk Solids Processing and Analytics

30.08. - 01.09.2022 // Nuremberg, Germany

New Date: POWTECH 2022 from 30 August - 01 September 2022

+++ The entries in the exhibitor & product database correspond to the registration status for POWTECH 2019. +++

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Exhibitors & Products POWTECH 2019




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Effective protection solution for technology equipment and industrial plants, to prevent explosion propagation.


HRD barriers are characterized by extremely fast discharge of an extinguishing agent into pipes connecting pieces of technological equipment. During explosion pressure propagates through pipes first followed by a flame front. Both of these phenomena can be detected by special detectors – both optical and pressure ones that were developed for the purpose.


- High reaction speed of the system from detection to extinguishing

- High reliability of the system

- Independent archiving of data coming from detector

- Variability of detector, control unit and action member use

- High quality components

- Customization according to customer wishes

- Capability to be used in inside and outside areas

B-FLAP I is a mechanical device designed to prevent propagation of flame and pressure between pieces of technology equipment during explosion. B-FLAP I is, together with other safety measures, a part of a system that protects technologies intended for operation in an explosion danger environment. Economical solution of protection against propagation of explosion between pieces of technology equipment is the B-FLAP I back flap.


• Wide variety of sizes from DN 100 to DN 800
• Mechanical device that does not need electrical energy or activation system
• Low pressure losses
• High pressure resistance
• Optional position indicator
• Optional signalization of dirt on flap seating surface
• Simple installation, inspections and maintenance
• Low maintenance costs
• Mechanical shut-down when the flap closes
• Suitable for technologies working with light metal dust
• Possibility of complementing with the mechanism RPD (Reducer of Pressure Drop)


Slide valves are used for complete closure of a pipe in the case of explosion, and therefore they are suitable for protection of production technologies with danger of dust explosion.


- For pipe sizes from DN 50

- Pressure resistance of up to 21 bars

- Extremely fast reaction time of 0.04 s

- Short installation distance

- After activation immediately ready for another one


The fast-closing float anti-explosion valve prevents propagation of flame and pressure during explosion to other production equipment. This valve is intended for protection of pipe transport systems.


- For pipe sizes from DN 100

- For equipment with temperature of up to 250°C

- Does not need electrical energy or activation system

- Low activation pressure and pressure losses

- Short installation distance

- Simple maintenance

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