Standard Needle & Chisel Scalers

The Trelawny standard needle and chisel scalers feature a simple, proven design that delivers both performance and reliability. Ideal for smaller applications, these tools excel at cleaning welds and reaching tight or hard-to-access areas for effective scaling and cleaning. With their robust construction, the standard range offers dependable, long-lasting service and consistent performance.

Applications

Removal of coatings, corrosion and other accumulated materials such as encapsulant paint.
Slag removal and stress relieving welds.
Cleaning concrete prior to repair.
Cleaning mixers, formwork and machinery.
Ideal for surface profiling prior to main coating application.

Features

Light, medium and heavy duty weight options for manoeuvrability and ease of use depending on application.
Non-spark options available.
Optional TVS® vacuum shroud for the range allows the connection of an industrial dust collector for collecting nuisance and hazardous dust for the protection of operators and the environment.
Easily converts between needle and chisel attachments, also available as kits.
Easy and user friendly maintenance, with service kits available.

Downloads

Product Specifications


Model	1B Chisel Scaler	2B Chisel Scaler	2BPG Chisel Scaler	3BPG Chisel Scaler	1B Needle Scaler	2B Needle Scaler	2BPG Needle Scaler	3BPG Needle Scaler
Part Number	114.1200	124.2200	125.2300	135.3300	111.1000	121.2000	123.2100	133.3100
Handle Type	In-line	In-line	Pistol Grip	Pistol Grip	In-line	In-line	Pistol Grip	Pistol Grip
Chisel Shank	1/2" square	1/2" square	1/2" square	1/2" square	-	-	-	-
Piston Stroke mm	30	35.6	35.6	39	30	35.6	35.6	39
Blows Per Minute	3800	3000	3000	2200	3800	3000	3000	2200
Air Consumption Metric (Imperial)	1.42l/s (3.0cfm)	2.6l/s (5.5cfm)	2.6l/s (5.5cfm)	3.8l/s (8.0cfm)	1.42l/s (3.0cfm)	2.6l/s (5.5cfm)	2.6l/s (5.5cfm)	3.8l/s (8.0cfm)
Air Inlet Size inch (BSP)	1/4	1/4	1/4	1/4	1/4	1/4	1/4	1/4
Overall Length mm	313	343	260	339	343	375	315	343
Weight kg	1.5	2	2	3	1.6	2.6	2.6	3.7
Sound Pressure Level Lpa db(A)	85.9	85.6	85.6	92.1	97.4	100.3	100.3	101.5
Sound Power Level Lwa db(A)	98.9	98.6	98.6	105.1	110.4	113.3	113.3	114.5
Vibration m/s²	9.05	19.51	32.19	41.75	12.37	15.31	18.57	19.59
Needle Quantity	-	-	-	-	12	19	19	28