FIELD: machine building.
SUBSTANCE: connecting fastening part contains housing stretching in axial direction with head, leg and flexible, made in a form of a skirt, sleeve gasket located between the head and leg and annular seal washer that is designed for sealing along sleeve gasket contour edge. Seal washer has lower surface directed to the opposite side of gasket sleeve with annular jaw or bead that forms sealing line on washer lower surface. Seal washer is designed for installation by changeable manner on sleeve gasket contour edge and contains upper surface that is opposite the lower surface that forms annular shoulder that projects on sleeve gasket side and supports sleeve gasket contour edge. Annular shoulder forms another sealing line at washer upper surface.
EFFECT: improvement of connection pressure tightness.
12 cl, 6 dwg
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