Bulroc Hyper 125/300 DTH Hammer

Hyper 125/300 Valveless Hammer - 13" to 17 1/2" diameter holes

The Bulroc Hyper 125/300 Hammer is designed to operate over a wide range of operating air pressures. A 6 5/8" API regular pin backhead is supplied as standard. The Hyper 125/300 is fitted with a positive seating water check valve and is supplied as standard, fitted with a solid choke.

The Hyper 125/300 is primarily designed to be used with the Numa 125, but other shanks will be considered on request.

Technical Specifications

		Component Parts
		Ref.	Description
		1	Backhead 6 5/8" Regular Pin
		2	Backhead 'O' Ring
		3	Check Valve
		4	Check Valve Spring
		5	Diverter
		6	Compression Buffer
		7	Control Tube Holder
		8	Control Tube Buffers (2)
		9	Control Tube 'O' Ring
		10	Control Tube
		11	Piston
		12	Wearsleeve
		13	Guide Bush Retaining Ring
		14	Bearing Guide Bush
		15	Bit Bearing
		16	Bit Retainer (pair)
		17	Bit Retainer 'O' Ring
		18	Chuck (N125 c/w drive plate slots)
		19	Chuck Bearing
		20	Breakout Washer (chuck)
		21	Breakout Washer (backhead)
		22	Drive Plate N125
		Hammer Specifications
		Weight (less bit)	1973 lbs.
		Length (less bit)	74.39"
		Outside diameter	12"
		Bore diameter	8.5"
		Piston weight	275 lbs.
		Stroke	5"
		Air Consumption
		PSI	CFM
		100	592
		150	1087
		200	1674
		250	2338

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