SF1 and SF3 Scaling Hammers

Trelawny’s SF range of scaling hammers excels at the rapid removal of heavy scale and coatings. Designed to be lightweight and easy to handle, these hammers are ideal for accessing tight spaces behind structures and up against bulkheads. The single-head model is suitable for smaller, hard-to-reach areas, while the triple-head model offers increased efficiency for larger, open spaces, delivering faster production.

Applications

Removal of thick coatings, rust, and other accumulated materials.
Preparation before blasting.
Oil platform maintenance.
Pipe cleaning in preparation for inspection and repair.
Coating spot repairs.
Use ATEX certified options for Ex Gas and Dust Zone Applications on rigs, petrochemical plants.

Features

Easy to change cutter heads to minimise downtime.
Low vibration model (single) maximising operator productivity.
Non-Spark and ATEX Options available, for use without hot work permits.
Ergonomic handle for ease of use – also available with a short handle and/or inline for tight areas.
Standardised components overall SF Ex models for cost effective maintenance.

Downloads

Product Specifications


Model	SF1 Vibro-Lo Single Head EX	SF3 Triple Head EX	SF1 Vibro-Lo Single Head	SF1 Vibro-Lo Single Head Single Piece	SF3 Triple Head	SF3 Triple Head Single Piece
Part Number	196.5110	153.5310	196.5095	196.5080	153.5300	153.5380
Number of Pistons	1	1	1	1	3	3
Piston Type	Taper Fit with replaceable head	Taper Fit with replaceable head	Taper Fit with replaceable head	Single piece steel cruciform	Taper Fit with replaceable head	Single piece steel cruciform
Head	Non- Sparking Cruciform Taper fit	Non- Sparking Cruciform Taper fit	Cruciform Taper fit	N/A	Cruciform Taper fit	N/A
Piston Stroke mm	26	26	26	26	26	26
Blows Per Min	3000	3000	3000	3000	3000	3000
Air Consumption Metric (Imperial)	4.25l/s (9.0cfm)	5.2l/s (11.0cfm)	4.25l/s (9.0cfm)	4.25l/s (9.0cfm)	5.2l/s (11cfm)	5.2l/s (11cfm)
Air Inlet Size inch NPT (BSP)	3/8 (1/2)	3/8 (1/2)	3/8 (1/2)	3/8 (1/2)	3/8 (1/2)	3/8 (1/2)
Head diameter	-	-	-	27	-	27
Weight kg	2.5	3.7	2.5	2.5	3.7	3.7
Overall Length mm	515	450	465	485	485	485
Working Height mm	140	152.5	140	152.5	152.5	152.5
Working Width mm	55	115	55	55	155	155
Sound Pressure Level Lpa db(A)	92.5	92.7	92.5	92.5	92.7	92.7
Sound Power Level Lwa db(A)	105.5	105.7	105.5	105.5	105.7	105.7
Vibration m/s²	9.9	13.4	9.9	9.9	13.4	13.4
IMPA Part No.	-	-	59.03.84	N/A	N/A	N/A
ISSA Part No.	-	-	55.093.20	N/A	55.093.10	N/A