The quick opening blind is mainly used for pressure pipes, and the quick opening of the pressure vessel is the main pressure component. The ring-type quick-opening blind plate is mainly composed of a cylinder flange, a head cover, a rising ring, an opening and closing mechanism and a sealing ring. The ring-type quick-opening blind plate has the advantages of compact structure, light weight, good sealing performance, safety and reliability, and convenient and quick operation. Safe operation of pressure pipes and pressure vessels
a、 Nominal diameter Dn：150 mm－2000 mm
b、 Nominal pressure：1.0－30 MPa
c、 Working medium：Oil、Gas、Water
d、 Operating temperature：-40~200℃
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