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DYNATITE system successfully exposed to hydrostatic shock test

The DYNATITE sealing system is successfully exposed to a series of hydrostatic shock tests. The shock pressure tests up to 15 bar, were carried out under survey of American Bureau of Shipping (ABS). The test started with shock pressure of 5 bar to be hold for 30 minutes, then releasing the pressure, followed by a shock pressure of 10 bar to be hold for 30 minutes, releasing the pressure and finally a shock pressure of 15 bar to be hold for 2 hours. The pressure was released for 30 minutes and then once again 15 bar shock pressure was applied and hold for 30 minutes. Per 30 minutes the pressure was decreased in intervals of 5 bar to finally 1 bar, bringing the total test time per plug up to 6 hours. Each plug series has been exposed to 5 pressure tests, using per series smallest size (testing minimum and maximum tolerance, medium size (dto) and largest size (nominal).

The DYNATITE sealing system consisted of DYNATITE sealing plugs, DYNATITE flanged conduit sleeves and NOFIRNO gaskets. In this case also the NOFIRNO gaskets are exposed to the extremely high shock pressure loads.

The DYNATITE sealing system is developed for instantaneous (dynamic) pressure loads and can be used also for static pressures. The system can be used in many hazardous areas as blast walls, explosion proof areas, subsea applications and all those situations where a (sudden) substantial pressure might arise and a high degree of (instantaneous) tightness of the sealing system is required.

For optimum performance on long term, the combination of the DYNATITE sealing plugs with the exact fitting, non-corroding DYNATITE conduit sleeves for welding, bolting or screwing have to be used. The DYNATITE conduit sleeves have been tested successfully according to a standard Salt Fog test and will show no corrosion during a 20 years seawater environment exposure. Furthermore the conduit sleeves guarantee sliding performance on very long term due to the passivation process and the additional coatings.