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The mains are manufactured in our company are checked for:
tightness
resistant to bursting pressure
resistance to pulsing pressure
Check valves, connecting elements, and hydraulic mains meet the requirements of legally binding technical regulations, standards and principles. Work safety and functionality under the above mentioned conditions is approved and certified by a technical assessment no. 20/T/2002 issued by the certifying body "CenVvm Mining Mechanisation Centre".[...]