WH4" - DTH HAMMER TECHNICAL BROCHURE

Product catalog summary

Overview: The WH4” DTH Hammer is a newly designed tool for well drilling, focusing on efficiency and durability. It features minimized fuel consumption, optimized air flow, and a robust design.

Technical Specifications: The hammer is suitable for drilling holes with diameters ranging from 110 mm (4⅜”) to 127 mm (5”). It operates effectively at medium to high air pressures up to 35 bar (508 psi). The design is simple and rugged, minimizing components and overall length for easier maintenance. It includes a 2⅜” API reg. pin backhead and TD40 bit shank fitting.

Component Parts: The hammer consists of several key components, each with specific part numbers for easy identification and replacement. These include the air feed tube, aligner, backhead, bit retaining ring, check valve, chuck, inner cylinder, lock ring, make-up ring, piston, seating ring, wear sleeve, and various 'O'-rings and a spring.

Performance Metrics: The hammer weighs 106.4 lbs (39.7 kg) without the bit and measures 37.6” (956 mm) in length. The outside diameter is 3.94” (100 mm), and the piston weighs 19.8 lbs (7.4 kg). Air consumption varies with pressure, ranging from 2.83 m³/min (100 ft³/min) at 100 PSI (6.9 bar) to 23.50 m³/min (830 ft³/min) at 500 PSI (34.5 bar).

Contact Information: For further inquiries, Robit Group can be contacted at their office in Lempäälä, Finland, via phone or email.

Catalog excerpts

WH4” – DTH HAMMER TECHNICAL BROCHURE 01/06/2018 WELL DRILLING HAMMER (pat.pend.) . Minimized fuel consumption . Optimized air flow . Robust des

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Technical Specification Robif WH4 Valveless Hammer 110 mm (4%") - 127 mm (5") dia. Holes The new highly dependable Robit WH4" hammer is designed for drilling 110 mm - 127 mm (4%" to 5") diameter holes. The simple yet rugged design minimises the amount of components and overall length for ease of maintenance. For optimum performance the WH4" is most effective at medium to high air pressures ranging up to 35 bar (508 psi). It comes with industry standard 2%" api reg. pin backhead and TD40 bit shank fitting. Component parts Air consumption Hammer specification Outside diameter -4-4- Imperial Metric...

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WH4" - DTH HAMMER TECHNICAL BROCHURE

WH4" - DTH HAMMER TECHNICAL BROCHURE

Catalog excerpts

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