FIELD: machine building.
SUBSTANCE: invention relates to automatic ring valves intended for use in reciprocating compressors. Valve 10 comprises valve seat 12 having group of gas flow passages 14 disposed in at least one circular row, at least one gate comprising at least one annular portion 18 for the gas flow passages 14 selective closing and opening, and at least one counteracting member for the gate annular portion opening movement counteraction. Said gate annular portion includes the fibers reinforced matrix 40. Gate annular portion includes continuous fibers, and at least some of the said fibers extend for at least of 360 ° of the annular section circular extension.
EFFECT: disclosed are automatic ring valve, gates for the automatic ring valves and the said gates manufacturing method.
25 cl, 8 dwg
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