Bulroc Hyper 181 QL200s Hammer

Hyper 181 / QL200 S Valveless Hammer - 24" to 28" diameter holes

The Bulroc Hyper 181 hammer is a valveless DTH hammer designed to operate efficiently at pressures ranging from 100 to 225 psi. The Hyper 181 is supplied with an 8 5/8" API regular pin backhead as standard, but an 8 5/8" API regular backhead can be supplied.

Technical Specifications

		Component Parts
		Ref.	Description
		1	Backhead 8 5/8" Regular Pin
		2	Backhead 'O' Ring
		3	Check Valve
		4	Check Valve Spring
		5	Valve Chest
		6	Compression Buffer
		7	Buffer Cover
		8	Tube Holder
		9	Tube Buffers (2)
		10	Tube 'O' Ring
		11	Control Tube
		12	Piston
		13	Wearsleeve
		14	Bit Retaining Ring
		15	Chuck
		16	Chuck Bearing
		17	Breakout Washers (2)
		18	Foot Valve
		19	Drive Pins
		Hammer Specifications
		Weight (less bit)	3846 lbs.
		Length (less bit)	90.66"
		Outside diameter	16"
		Bore diameter	12.25"
		Piston weight	730 lbs.
		Stroke	5.75"
		Air Consumption
		PSI	CFM
		100	1097
		150	2016
		175	2541
		200	3105
		225	3705

Important Information: When fitting the drive pins inside the chuck slots, it is recommended to put grease on the reverse side of each pin to help secure in position when placing the chuck over the bit. Note the lead chamfer on the pin should, when in position, always face toward the chuck end.

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