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- The Drill Head locks into a recess on the Control Valve ensuring automatic alignment.
- In the raised position, the drill shaft is held in an internal Locksquare to prevent accidental damage to the gate.
- High speed precision holesaws and Skip-tooth taps load together for time saving and accuracy.
- Specially designed ALH taps ensure a high quality thread pattern.
- Stops on the tap head automatically ensures a perfect taper thread is developed without measure ment, ensuring a leak free final seal when the plug is installed.
- Although power equipment is available for drilling, tapping loads are still low enough to manually cut 2½" taper threads.
- A magnetic coupon retention system is available for situations where dropping the coupon would present a problem as in bag insertion or core sampling.
The key to a successful mains entry operation is to ensure that the entry tap is true and accurate. The
System-One Drill Head locates into a machined cavity on the upper surface of the ALH Control Valve. The
valve is positioned precisely on the main with individual polymer faced aluminum saddles for each main diameter.
The result is a rock steady drilling platform.
This precision fit allows easy reassembly of the equipment over a fitting for removal or replacement.
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