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Reducer sleeves for square and double-square drives – Range of 24 models
ISO brackets, couplings and reducers
automazione-valvole-giunti-adattatori

Reducer sleeves for square and double-square drives – Range of 24 models

Sintered AISI 316 stainless steel sleeves that adapt the internal square or double square of the actuator to the valve stem, to ISO 5211.

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Direct mounting even with different squares

A part-turn actuator can often be mounted directly on the valve, but its square drive socket is larger than the valve stem. The reducer sleeve fits into the socket and brings the square down to the stem size, with no need for extra couplings or machining.

The sleeves come in two versions: with a square outer profile for actuators with a square socket, and with a double-square outer profile (octagon) for actuators with a star socket. In both cases the bore is square.

They are made of sintered stainless steel 1.4408 (AISI 316) with rounded edges. Sizes range from 9 mm to 36 mm outer square and are supplied in packs of 5, 10 or 25; other sizes and versions are available on request.

  • Sintered AISI 316 stainless steel
  • Square or double-square outer profile
  • Outer square 9 to 36 mm, inner square 6 to 27 mm
  • Other sizes on request
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# General Type: Reducer sleeves for square and double-square drives Available models: 24 Application: reducing the square or double-square socket of actuators Reference standard: ISO 5211 Material: sintered stainless steel 1.4408 (AISI 316) Edges: rounded # Sleeves with square outer profile Outer square: 9, 11, 13.95/14, 17, 22, 27, 36 mm Inner square: 6 to 27 mm Height: 10 to 36 mm # Sleeves with double-square outer profile Outer double square: 11, 14, 17, 22, 27 mm Inner square: 9 to 22 mm Height: 11 to 27 mm # Supply Packing unit: 5, 10 or 25 pieces depending on size Other sizes and versions: on request
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Reducer sleeves for square and double-square drives – Range of 24 models