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Member Since 8 Years
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Hydraulic operated with manual feeding under pressure drilling machine is used for drilling to take branch connections from large diameter cast Ductile Iron and mild steel pipes, trepanning vessels & blank flanges while under pressure
OPERATION
The first operation is to mount a welded steel flange or cast iron tee on the main to drilled and pressure it carries. Place the valve for stopping-off operation to permanent for a branch connection . A combination of cup drill and center drill expand beneath the coupon after drilling and cutting. The drill shaft is retracted and coupon brought back the cutting portion with the drill head, tight the valve and machine can be removed.
Prod. No. | 232A | 232B | 232C | 232D | 232E |
| Size(mm) | 100(4") | 150(6") | 200(8") | 250(10") | 300(12") |
| Wt.(Kg.) | 275.0 | 325.0 | 375.0 | 425.0 | 475.0 |
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New Rohtak Road, Delhi 
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