www.bulroc.com
P-41 DTH HammerTechnical Brochure
Certificate Number 2446700
ISO9001
Technical Specification
Bulroc P-41 Hammer 110mm - 127mm dia. HolesThe Bulroc P-41 is a high performance D.T.H Hammer designed for drilling 110mm - 127mm (4.33” - 5”) diameter holes over a wide range of operating air pressures. With a patented design, the P-41 has been designed primarily for Quarry drilling but offers excellent performance across a wide range of drilling applications.
The P-41 is supplied with a 2⅜” API reg. pin Backhead as standard and is manufactured, to the highest standards, in the UK.
The P-41 Hammer can be supplied to accept QLX-40 button bits, and an increased diameter deep-hole version is available for applications such as geothermal and water well drilling.
Component Parts
Ref Description Part Number
1 Backhead HSP413801M
2 Check Valve IPRCV02
3 Check Valve Spring IPRCVS02
4 Compression Buffer HSP4128
5 Valve Seat HSP4130
6 Diverter HSP4120
7 Inner Cylinder HSP4101
8 Choke plug HSP4119
9 Wearsleeve HSP4100
10 Piston DHD-340 HSP4103091
11 Piston Retaining Ring HSP4132
12 Bit Bearing HSP4186091
13 Bit Bearing O Ring HSP4115
14 Bit Retainers HSP4137091
15 Bit Retainer O Ring IPBROR01
16 Chuck Release Washer HSP4126
17 Chuck HSP4135091
Complete Hammer BRP41H01
Air Consumption
Ref BAR C.F.M Cu. Mtr/min
150 10.3 130 3.7
200 13.8 200 5.7
250 17.2 280 7.9
300 20.7 368 10
Key Information
Imperial C.Metric.M
P-41-Quarry
Weight (less bit) 85.98lbs 39kg
P-41 DH
Weight (less bit) 95.59lbs 42kg
Bulroc (UK) LtdTurnoaks Business Park, Burley Close, Chesterfield, Derbyshire, S40 2UB UK
T: +44 (0)1246 544700 F: +44 (0)1246 544701
E: [email protected] www.bulroc.com
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