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£Ź£Ę£Ī£±£µ£°£Ó£³
72MPa(720kgf/cm2)
£Ź£Ę£Ī”Ź£Ņ”Ėtype Low profile jack””£Ó”Źspring return”Ėtype
two type jack: JFN and JFNR(swivel head)
Application:replacing shoes laid on between bridge girders under Railway
bridge and highway bridge.
Jacks are of spring return, capacity from 1000kN to 3000kN.
£±”„Receive load evenly on whole area of jack head and base.

£²”„Coupling thread: Rc3/8

£³”„Available both hand and electric pumps.

£“”„Safety nut is equipped for load holding.

£µ”„Applicable for fine adjustment of installing machines and
jack up use at narrow spaces..


”””””””””””””””” Items
Model

Capacity
kN(ton)

Stroke
mm

Closed height
mm

Outer dia.
mm

Weight approx.
kg
JFN100S3 1000(100) 30 106 175 25
JFN150S3 1500(150) 30 123 215 42
JFN200S3 2000(200) 30 134 245 55
JFN300S5 3000(300) 50 200 305 125
JFNR100S3 1000(100) 30 135 175 28
JFNR150S3 1500(150) 30 150 215 46
JFNR200S3 2000(200) 30 165 245 63
JFNR300S5 3000(300) 50 230 305 135





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OSAKA JACK CO.,LTD.
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e-mail””trade-info@osaka-jack.co.jp