Patriot - Model RC50 -Down Hole Hammer

Valveless down hole hammer design. Designed to operate at pressures to 500 PSI (34.5 BAR). Reversible non-ported piston case for extended life. Ability to drill efficiently against high heads of water. Superior directional stability in horizontal applications. Ejecting cuttings through the collection tube eliminates traditional hole cleaning problems. Environmentally sensitive - no foam required for hole cleaning & lubricants are not free to contaminate the formation. Collection tube is easily replaced without hammer disassembly. Metering sleeve facilitates sample flow through collection tube