Reclosable blow-out flaps are not a contradiction in terms, but robust, reliable and maintenance-free venting devices optimized for the everyday operation of technical installations, which protect containers and industrial facilities against damage in the event of an explosion.
Normal pressure fluctuations in the operational process lead to a slight raising of the flap cover allowing the overpressure to escape. While conventional rupture discs are destroyed each time they open, blow-out flaps are easily reclosable and the dust-proof sealing is restored.
Only a strong explosion will cause deformations that make it necessary to replace the device.
Cost and downtime are reduced, as is the impact on the environment.
Our blow-out flaps are patented and certified according to Directive 2014/34/EU and EN 14797:2006.
The innovative mounting frames developed by rexotec enable the fast and easy replacement of outdated pressure venting devices with blow-out flaps because there is no need for exactly sized wall openings or new fixing holes. The blow-out flaps are mounted into customized mounting frames, which in turn are 'clamped in place' within the existing wall openings and fixed with bolts (a practical application is shown at Completed Projects).
Plant owners benefit from shorter assembly times, which are reduced by 50% on average (compared to commonly used upgrading methods).
However, the system can also help to reduce efforts and costs in new projects. Designing and building a silo, for instance, becomes much easier because no built-in frames are required for mounting the blow-out flaps.
For special requirements, we offer a walk-on sandwich version of the blow-out flap, which is safe to support even "heavyweights".
It allows you to save space, e.g. on silo roofs. Inspection and maintenance jobs can be safely carried out without taking costly and time-consuming safety precautions, installing working platforms etc.
Please have a look at our Completed Projects page.
In combination with the blow-out flap, the adapter makes sure that the pressure wave is discharged upwards. This can be particularly relevant in locations where horizontal venting would cause safety hazards due to lack of space.
The adapter can be mounted, for example, to buildings or filters (see picture).
We can supply adapters for all standard-size blow-out flaps.
We will be glad to help you plan and design the appropriate explosion protection solution for your plant and determine the devices that best suit your specific needs. Contact us to discuss your options and receive a non-binding offer—our competence and cost-efficiency will convince you.
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rexotec AG
Mergners 23
91282 Betzenstein
Fon: +49 (0)9244 – 982 677 0
Fax: +49 (0)9244 – 982 677 77
E-Mail: info@rexotec.de
Internet: www.rexotec.de
Registered Office: Betzenstein
Company Registration No: HRB 5935
at the Local Court of (Amtsgericht) Bayreuth
VAT Reg. No.: DE263746147
Chairwoman of the Supervisory Board:
Carola Schuster
Chairman of the Executive Board:
Dipl.-Ing. Peter Reitinger
according to article 5 of the German Telemedia Act
(nach § 5 TMG Telemediengesetz)
rexotec AG
Mergners 23 . 91282 Betzenstein
Fon: +49 (0)9244 – 982 677 0
Fax: +49 (0)9244 – 982 677 77
Internet: www.rexotec.de
Registered Office: Betzenstein
Company Registration No: HRB 5935
at the Local Court of (Amtsgericht) Bayreuth
VAT Reg. No.: DE263746147
Chairwoman of the Supervisory Board:Carola Schuster
Chairman of the Executive Board:Dipl.-Ing. Peter Reitinger
Technische Umsetzung:
rexotec AG
Mergners 23
91282 Betzenstein
Tel.: +49 (0)9244 – 982 677 0
Fax: +49 (0)9244 – 982 677 77
E-Mail: info(at)rexotec.de
Internet: www.rexotec.de
Sitz der Gesellschaft: Betzenstein
Amtsgericht Bayreuth: HRB 5935
USt-IDNr.: DE263746147
Aufsichtsratsvorsitzende: Carola Schuster
Vorstand: Dipl.-Ing. Peter Reitinger
nach § 5 TMG (Telemediengesetz)
rexotec AG
Mergners 23
91282 Betzenstein
Tel.: +49 (0)9244 – 982 677 0
Fax: +49 (0)9244 – 982 677 77
Internet: www.rexotec.de
Sitz der Gesellschaft: Betzenstein
Amtsgericht Bayreuth: HRB 5935
USt-IDNr.: DE263746147
Aufsichtsratsvorsitzende: Carola Schuster
Vorstand: Dipl.-Ing. Peter Reitinger
Technische Umsetzung: