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LU63C<br />

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Logic valve<br />

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Hydraulic symbols<br />

Restriction<br />

contraction<br />

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Restriction<br />

contraction<br />

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M8 screw for<br />

restriction contraction<br />

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Counterboring diameter 25, counterboring depth 1,<br />

screw diameter G1/4, screw depth 12For port Z1<br />

Restriction contraction M8-1.2<br />

Counterboring diameter 38, counterboring depth 1,<br />

Screw diameter G1/2, screw depth 14 ( For ports X, Y)<br />

Pilot area ratio<br />

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6Locating pin<br />

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O-ring3-JIS B2401 P18 Hs90<br />

(For ports X, Y, and Z1)<br />

50<br />

LU 63D<br />

A<br />

B<br />

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Hydraulic symbols<br />

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<br />

<br />

Restriction<br />

contraction<br />

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<br />

<br />

<br />

<br />

<br />

<br />

<br />

<br />

Restriction<br />

contraction<br />

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Note 1, 2<br />

A M8 plug and a screw for restriction<br />

contraction<br />

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Screw depth 12<br />

Counterboring diameter 38, counterboring depth 1,<br />

Screw diameter G1/2, screw depth 14 ( For ports X, Y)<br />

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Details for pilot valve mounting portion<br />

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Screw depth <strong>10</strong><br />

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6<br />

Locating pin<br />

O-ring “S”<br />

(For ports X, Y)<br />

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50<br />

Note1For type LU 63DA-<strong>10</strong>/*, a hexagon socket head cap set screw (M8) is provided to B port.<br />

50<br />

Note2For type LU 63DB-<strong>10</strong>/*, a hexagon socket head cap set screw (M8) is provided to A port.<br />

Nominal Dimension <br />

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O-ring dimension “S”<br />

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5-19

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