FIELD: machine building.
SUBSTANCE: shutoff valve comprises body with inlet and discharge pipes 2, 3, guide 4 with openings 8, 9, packing gland 18, pressure bush 27 with flange 28, pressure device 21 with box 24, rod 16 with shutoff member 17, spindle 12 with drive 13, coupling 14, and seat 32. Pressure bush 27 has axial circular split 29. Pressure device box 24 features diameter exceeding transverse size of coupling 14. Pressure device bottom end side has annular groove 30 to receive pressure bush flange 28 that serves to lock and locate said bush.
EFFECT: faster and easier replacement.
2 cl, 4 dwg
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