NPK GH50 » General Equipment & Supplies, Inc.

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Features
Specifications

Features

A better design that combines efficiency, reliability and serviceability.

Excellent power-to-weight ratio
Unique gas-charged piston maximizes hammer efficiency
Simple, two-moving-parts design for reliability
Separate ports for the NPK AutoLube system and an air line for underwater use
Bottom tie rod nuts for easier serviceability (GH Models)
Quick-change tool system with single round retainer pin
Variety of tool configurations available
Replaceable cylinder sleeves for easy, economical rebuild
Tool bushings engineered for quick, easy replacement

Specifications

Operating Pressure	2,600 psi	180 bar
Impact Frequency	210 - 280 bpm	210 - 280 bpm
Impact Energy Class ft lbs**	20,000
Carrier Weight Range (tons)	120+ US tons	108+ Metric tons
Oil Flow	92 - 119 gpm	350 - 450 lpm
Working Weight	24,910 lb	11,300 kg
Tool Diameter	8.4 in	214 mm
Tool Working Length	39.7 in	1008 mm