The 904 Drilling Machine is a manual or power-driven machine which taps into pipe while under pressure. It is used for making 1/2-inches through 4-inches (DN 15 - DN 100) taps without shutdown. It can be used to install 2-inch and 3-inch completion plugs in tapping nipples to permit recovery of tapping valves and to install TDW PIG-SIG® Scraper Passage Indicators.
The Model 904B Drilling Machine is available in the XL Model with 28-inches of travel. The 904B Drilling Machine meets NACE Standard MR0175-2002, sulfide stress cracking resistant metalic material for oilfield equipment. The maximum working pressure is 2,220 psi (153 bar) at 100°F (38°C). Its operating temperatures are -20°F (-29°C) to 180°F (82°C) for intermittent service. The maximum continuous rating is 180°F (82°C) at 1,025 psi (48 bar). The 904B Drilling Machine is a high pressure balanced machine. At this high pressure, it is limited to a maximum of 4-inch (DN 100) taps. For special requirements, such as higher pressure or temperature, consult the factory.
Other features include:
- Lightweight 85 pounds (39 kg)
- Versatile 1/2- through 4-inch taps
- Operates to 2,220 psi