Cengar® JSM Air Saw

The Cengar® JSM is an air saw developed for cutting steel sections and pipe up to 300 mm (12″) in diameter in underground coal mining.

The new JSM air saw was designed specifically for use in Coal Mining, but is equally useful in all kinds of mining activities. It is based on the proven JSZ design used in oil and petrochemical sites worldwide and provides the same cutting capability for mining environments.

It is supplied with a pipe and profile clamp and a blade guide, allowing straight cuts through a variety of metal materials.

Blades and Cutting Applications

The JSM air saw uses Cengar Grey Blades, available in lengths of 300 mm or 450 mm, with 6, 8, 10/14, or 14 TPI options.

It is capable of cutting:
Pipe up to 300 mm (12″) in diameter
Steel sections of various shapes and profiles

Industries That Use the Cengar® JSM

The JSM air saw is used in:
Underground coal mining
Other mining operations
ATEX Compliance and Cold Cutting Safety

The JSM air saw is ATEX approved to:

II 2G Ex h IIC T4 Gb

CE EX I M 2 Ex h I Mb

These ratings make it suitable for safety-regulated environments, including mining zones.

Its pneumatic design also supports cold cutting, eliminating the need for a hot work permit in controlled work areas.

Why Choose the Cengar® JSM?

The JSM air is designed for cutting large diameter pipe and steel sections in underground coal mining and other mining operations. It uses long Cengar Grey Blades and is supplied with a clamp and guide system to ensure consistent, straight cutting. Its dual ATEX approvals and cold cutting capability make it suitable for work in tightly controlled, safety-critical industries.

Technical Data

Dimensions 448 mm (L) x 141 mm (H) x 54 mm (W)
Weight 6.9 Kgs 15 Lbs
Strokes per minute 400 & 600
Stroke 57 mm 2 ¼ inch
Standard nosepiece 25 mm 1 inch
Air Consumption 0.168 m³/min 5 ¾ cfm
Air Pressure 5-6 Bars 75-90 psi
Sound Pressure Level 80.5 dB (A)
Sound Power Level 89.9 dB (A)
Vibration level N/A
Atex Certification  II 2G Ex h IIC T4 Gb | I M 2 Ex h I Mb

Please note: The vibration levels shown above will reduce when the saw is used with a clamp.

Brochures & Videos

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