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Metric port fittings ED seal tightening torque spec ISO 9974

Mar 27, 2020

Metric ports  / adaptors with type E seal or O-ring with collar (heavy  duty S series)

Port type

Adaptor  type

ISO 9974-1

ISO 9974-2 (S series)

 

Metric thread

Torque  into aluminium  body

(Nm)

Torque  into ferrous  body

(Nm)

M12 x 1,5

31 - 37

45 - 50

M14 x 1,5

35 - 40

60 - 66

M16 x 1,5

45 - 50

80 - 88

M18 x 1,5

55 - 60

100 - 110

M20 x 1,5

65 - 71

140 - 154

M22 x 1,5

75 - 82

150 - 165

M27 x 2

95 - 108

200 - 220

M33 x 2

158 - 169

380 - 418

M42 x 2

197 - 210

380 - 418

M48 x 2

220 - 235

380 - 418

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