Model 660B Tapping Machines can be either air or hydraulically operated and are used for making pipe and tank taps from 3" to 12" (DN 80 to DN 300). Its maximum working pressure is 1,480 psi (100 bar) at 100°F (38°C). Its operating temperature is -20°F (-29°C) to 700°F (371°C) at 700 psi (48 bar) for intermittent service. Its maximum continuous rating is 350°F (177°C) at 1,025 psi (48 bar).
This model features a split frame for lower maintenance costs and ease of packing replacement.
The basic machine includes:
- Lower-in crank
- Measuring rod
- Retainer rod pusher
- Ring gasket
- Bleeder valve and nipple
- Motor adapter
- Set of bolts and nuts
- LOCK-O-RING® bypass gauge