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MK 3A/4/5

Group Number: 2231

The GCE BUTBRO MK3A/4/5 is a high pressure, sturdily constructed and well balanced welding and cutting torch replacing the GCE BUTBRO MK 2, together with additional improved progressive features. Each component (shank, mixer, cutting attachment) is inter-changeable with other leading makes of type 3/4/5 equipment.
It has front mounted colour coded control valves, employing stainless valve spindles fitted with both ‘O’ ring and nylon seals; providing fine adjustment and leak-free conditions.
The shank is common to both welding and cutting heads, the same quick positive positioning and leak-free means of attachment being used for both. GCE BUTBRO torches and nozzles conform to BS EN ISO 5172.

WELDING AND HEATING

Designed for welding work from 18 swg to over 1“ thickness using type 3/4/5 swaged nozzles sizes 1 - 90 litres. The mixer seats on serrated toothed faces allowing the operator a selection of positive nozzle positioning through 360°. Also can be used for heating, with either acetylene or propane heating nozzles, together with a heating neck.

CUTTING

The cutting head is nozzle mixing, enabling the operator to use either acetylene or propane fuel gases by fitting the appropriate nozzle. A range of ANM and PNM nozzles are available for clean efficient cutting of material thickness from sheet metal to 50 mm (2“) using both acetylene, and propane fuel. It’s versatility allows gouging, flame cleaning etc., to be supplied to customer’s requirements.

PROPANE SUPER HEATING

Using a propane super heating mixer and 10“ or 28“ stainless steel super heating neck an intense heat output of up to 600,000 Btu/H is obtained. Ideal for heating castings and similar large articles.

SHANK

Art. Nr. Description
0766241 MK 3A/4/5 shank

MIXER

     

Art. Nr. Description
0766243 Welding mixer
78333 HD welding mixer (size 45-90 nozzles)
0766253 Propane superheating mixer

CUTTING ATTACHMENT

Art. Nr. Description
0766242 Cutting attachment

BRASS HEATING NECK

Art. Nr. Description
68666 MK 3 brass heating neck (for AHT heating nozzles)
68777 MK 3 long brass heating neck (for AHT heating nozzles)

WELDING ATTACHMENT

Art. Nr. Welding range (mm)
68501 to 1
68502 1 - 1,5
68503 1,5 - 2
68505 2 - 2,5
68507 2,5 - 3
68510 3 - 4
68513 4 - 5
68518 5 - 6
68525 6 - 8
68535 8 - 10

SUPERHEATING NECK - OXYGEN-PROPANE

Two superheating necks are available to accommodate the range of five super heating nozzle sizes 1H to 5H which guarantee an immediate and highly intense heat output from 70,000 to 600,000 Btu/h on castings and large articles.

Art. Nr. Description Heating Nozzles
0766254 Superheating 10” neck 1H-5H (½” × 25 UNS)
0766255 Superheating 28” neck 1H-5H (½” × 25 UNS)

TECHNICAL DATA

Description: MK 3A/4/5
Hose connections: 3/8” (other threads available on request)
Welding capacity: 25 mm
Cutting capacity: 50 mm
Welding nozzles: Type 2/3/4/5 Swaged Welding Nozzles Sizes 1-90
Cutting nozzles:

ANM (Acetylene) Cutting Nozzles

PNM (Propane) Cutting Nozzles

ASNM Sheet Metal Nozzles

AGNM Gouging Nozzles

ARCNM Rivet Cutting Nozzles

Heating nozzles: AHT (Acetylene) Heating Nozzles
Super heating nozzles: Super Heating Nozzles (Propane) Sizes 1H-5H

 

 

 

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