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Arc Welding Transformers Spot Welding Machines:
Pedal Operated 
Pneumatically Operated 
Press Type 
Contact Welders 
High Precision 
Butt Welding Machines:
Micro Butt Welders 
Wire Butt Welders 
Upset Butt Welders 
Band Saw Blade Welders 
Seam Welding Machines
  MIG / Co2 Welding Machines
Arc Welding Rectifiers TIG Welding Machines

Copper Wound Arc Welding Transformers - Air Cooled and Oil Cooled

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Air Cooled & Oil Cooled Mini Arc Welder
Features:
- Welding Transformers available for Single Phase and Two Phase connection as required
- Available in both Air Cooled as well as Oil Cooled versions
- Stepless Variation in Current helps in adjusting suitable current for wide range of jobs
- Suitable for indoor as well as outdoor work

 

Optional Equipment:
- Standard set of accessories: Electrode holder with 15 feet welding cable, 10 feet earthing cable complete with earthing clamp and lug, hand screen with set of glasses, pair of leather gloves, chipping hammer and wire brush
- Power Factor Improvement Capacitors
- Voltmeter, Ammeter

Specifications:

Model: AW-100 AW-150 AW-200 AW-300 AW-400 AW-500 AW-600
Welding Current Range (Amps): 75 - 100 35 - 150 35 - 200 35 - 300 60 - 400 80 - 500 100 - 600
Welding Voltage Range (Volts): 20 - 28 24 - 30 24 - 30 24 - 32 25 - 38 25 - 40 26 - 42
Continuous Hand Welding Current @ 55% duty cycle (Amps): 75 130 150 240 300 400 450
Max. international current @ 35% duty cycle (Amps): 100 150 200 300 400 500 600
Continuous welding current @ 100% duty cycle (Amps):   80 105 170 210 260 340
Open Circuit Voltage (Volts): 40 60 65 65 75 75 75
Electrode sizes (continuous) (Gauge): 12 - 14 10 - 16 8 - 16 6 - 16 4 - 14 2 - 14 0 - 12
Electrode sizes (intermittent) (Gauge):   8 6 4 2 0 0
Rated KVA: 4 6 8 15 21 25 36
Fuse Rating Max. at 400 V (Amps): 18 15 20 45 70 80 100
Power Factor Correction Capacitor (KVAR):     5 7 8 10 12
Input Supply: 230 V 2 lines of 3 phase 415 V 50 Hz A.C.

Spot Welding Machines - Pedal Operated Rocker Arm Type

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Features:
- Electrodes, Electrode Holders and Arms water cooled. Water should be free from residue forming impurities and at a temperature below 30oC. (If water temperature is higher, increased water flow required)
- One Pair Morse Taper 2 straight electrodes supplied as standard with the machine. (Other types available on request)
- Pressure on the Job obtained by means of heavy spring on the pressure rod at the back of the machine 
- Adjustment of Electrode Force by means of a calibrated nut. Force is adjustable and gives a constant force from 100 - 200 kgf. with 30 kgf. applied on the foot pedal.
- Adjustment of Electrode Stroke by vertical adjustment of the lower electrode holder
- Current Control by means of 6 tap change links between 50% and 100%
- Weld Initiation by means of mechanically coupled switch which initiates the weld only after preset pressure is built
- Solid State Electronic Timer and Heavy Duty Electromagnetic Contactor provided as standard equipment with the machine
- Timings: Short Range 5 - 50 cycles. Long Range 1 - 10 seconds (50 to 500 cycles)

Applications:
- Spot Welding, Electro-Brazing, Cross Wire Welding, Resistance Heating and Soldering
- Capable of Welding Stainless Steel, Brass, Phosphor, Bronze, Alloy Steels, etc.

Specifications:

Model: SP-6 SP-8 SP-10 SP-15 SP-20 SP-25 SP-30
Rating @ 50% Duty Cycle (KVA): 6 8 10 15 20 25 30
Throat Depth (mm): 350 400 460 460 460 460 460
Nominal Throat Clearance (mm): 220 220 220 220 220 220 220
Welding Range (Thickness) M. S. Sheet Max. 2 x mm 1.6 1.8 2.0 3.0 3.25 3.5 4.0
Min. 2 x mm 0.16 0.2 0.2 0.3 0.5 0.6 0.8
Brass Sheet Max. 2 x mm 0.6 0.7 1.0 1.5 1.6 1.6 1.8
Min. 2 x mm 0.1 0.1 0.1 0.2 0.2 0.3 0.4
Stainless Steel Sheet Max. 2 x mm 1.6 1.8 2.0 2.8 3.0 3.5 4.0
Min. 2 x mm 0.2 0.18 0.2 0.3 0.3 0.6 0.8
Min. available short circuit currents (KA) 5 7 8 8 11 11 12
Insulation Class: F F F F F F F
Nominal Electrode Force - Approximate - (kgf.)  75 100 - 75 100 - 75 100 110 110 125
Electrode Stroke Max. (mm): 40 40 40 40 40 40 40
Mains Supply Voltage: 415 415 415 415 415 415 415
Phases (nos.) 2 2 2 2 2 2 2
Mains Supply Cable Size (Copper mm2): 8 10 12 15 20 20 25
Mains Disconnection Switch (A): 15 20 25 30 45 50 70
Delayed Action Fuse (A): 15 20 25 30 45 50 70
Water at max. temperature of 30oC (Liters/min.) 2 3 3 3 3.5 3.5 3.5

Spot Welding Machines - Pneumatically Operated Rocker Arm Type

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Applications:
- Spot Welding, Electro-Brazing, Cross Wire Welding, Resistance Heating and Soldering
- Capable of Welding Stainless Steel, Brass, Phosphor, Bronze, Alloy Steels, etc.

Features:
- Electrodes, Electrode Holders and Arms water cooled. Water should be free from residue forming impurities and at a temperature below 30oC. (If water temperature is higher, increased water flow required)
- One Pair Morse Taper 2 straight electrodes supplied as standard with the machine. (Other types available on request)
- Adjustment of Electrode Force by means of Air Pressure. Force is adjustable and gives a constant force from 100 - 200 kgf. by Pneumatic Cylinder, adjusted by Regulating Valve.
- Adjustment of Electrode Stroke by vertical adjustment of electrode holder
- Current Control by means of 6 tap change links between 50% and 100%
- Weld Initiation by means of Foot Switch which initiates the weld only after preset pressure is built
- Two Timers provided for squeeze and weld. Timings: Short Range 5 - 50 cycles. Long Range 1 - 10 seconds (50 to 500 cycles)

Specifications:

Model: SP-10P SP-15P SP-20P SP-25P SP-30P SP-40P
Rating @ 50% Duty Cycle (KVA): 10 15 20 25 30 40
Throat Depth (mm): 460 460 460 460 460 460
Nominal Throat Clearance (mm): 220 220 220 220 220 220
Welding Range: S.S. / M.S. Sheet   2 x mm: 2 to 0.2 3 to 0.3 3.25 to 0.32 3.5 to 0.5 3.75 to 0.6 4 to 0.8
Max. available short circuit currents (KA) 6 8 9 11 12 14
Insulation Class: F F F F F F
Nominal Electrode Force - Approximate - (kgf.)  100 - 75 100 100 110 110 125
Electrode Stroke Max. (mm): 40 40 40 40 40 40
Mains Supply Voltage: 415 415 415 415 415 415
Phases (nos.) 2 2 2 2 2 2
Mains Supply Cable Size (Copper mm2): 12 15 20 20 25 25
Mains Disconnection Switch (A): 25 30 45 50 70 80
Water at max. temperature of 30oC (Liters/min.) 3 3 3.5 3.5 3.5 4

Spot / Projection Welding Machines - Pneumatically Operated Press Type

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Features:
- Electrodes, Electrode Holders and Arms water cooled. Water should be free from residue forming impurities and at a temperature below 30oC. (If water temperature is higher, increased water flow required)
- One Pair Morse Taper 2 straight electrodes supplied as standard with the machine. (Other types available on request)
- Adjustment of Electrode Force by means of Air Pressure. Force is adjustable and gives a constant force from 1 - 5 kgc. by Pneumatic Cylinder, adjusted by Regulating Valve.
- Adjustment of Electrode Stroke by vertical adjustment of electrode holder
- Current Control by means of 6 / 8 tap change links between 50% and 100%
- Weld Initiation by means of Foot Switch which initiates the weld only after preset pressure is built
- Thyristorised Synchronous Electronic Sequence Timer consisting of: Squeeze, Weld, Forge, Off and heat control unit range 1 - 99 c/s
- Three Timers provided for squeeze, weld and forge. Timings: Short Range 5 - 50 cycles. Long Range 1 - 10 seconds (50 to 500 cycles)

Applications:
- Spot / Projection Welding, Electro-Brazing, Cross Wire Welding, Resistance Heating and Soldering
- Capable of Welding Stainless Steel, Brass, Phosphor, Bronze, Alloy Steels, etc.

Specifications:

Model: SP-15PR SP-20PR SP-30PR SP-40PR SP-50PR SP-75PR SP-100PR
Rating @ 50% Duty Cycle (KVA): 15 20 30 40 50 75 100
Throat Depth (mm): 460 460 460 460 460 460 400
Nominal Throat Clearance (mm): 220 220 220 220 350 350 350
Welding Range: S.S. / M.S. Sheet   2 x mm: 3 to 0.3 3.25 to 0.32 3.75 to 0.6 4.0 to 0.8 4.5 to 1 4.5 to 1 6 to 1
Max. available short circuit currents (KA) 8 9 12 14 20 24 28
Insulation Class: F F F F F F F
Nominal Electrode Force - Approximate - (kgc.)  1 - 2 1 - 3 1 - 4 2 - 4 2 - 5 2 - 5 2 - 5
Electrode Stroke Max. (mm): 40 40 40 40 50 50 60
Mains Supply Voltage: 415 415 415 415 415 415 415
Phases (nos.) 2 2 2 2 2 2 2
Mains Supply Cable Size (Copper mm2): 15 20 25 25 50 50 100
Mains Disconnection Switch (A): 40 50 75 100 150 200 250
Water at max. temperature of 30oC (Liters/min.) 3 3.5 3.5 4 4 4 5

Contact Welders for Contactors, Relays, etc. 
Pneumatically Operated High Precision Bench Mounted

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Features:
- Air Cooled Resistance Welding Transformer
- 4 sequence timers provided for squeeze, weld, forge and off or repeat operations
- Current Control by Transformer Taps. Welding Transformer primary winding provided with taps to allow adjustment of welding current in 6 steps from 55% to 100%
- Weld Initiation by means of Foot Switch connected to low voltage safe initiating circuit
- Upper electrode actuated via a quick follow through device by a heavy duty two-way pneumatic cylinder, controlled by a electrically operated 4-way solenoid valve. Compressed air at 15 to 80 psi (1.06 - 5.62 kgs/cm2)  acting on the pneumatic cylinder provides the necessary electrode force.
- Machine provided with air filter, air lubricator, air pressure regulating valve with gauge throttle valve to prevent the initial impact on electrode closing and all internal air connections 
- Adjustment of Electrode Force by air pressure regulating valve provided
- Adjustment of electrode stroke by vertical adjustment of electrode holders 

Applications:
- Most suitable for making precision spot or projection welds on components requiring short duration high current pulses, such as in welding of silver contacts to brass, Tungsten contacts to steel, Phosphor Bronze to M.S., Spring Steel to M.S., Copper Lead to Aluminium Foils, Copper Lead to Brass Tags, Bi-Metal (S.S. - Brass Copper) etc.

Specifications:

Model: JWALA 3H JWALA 10H JWALA 15H JWALA 30H
Nominal Rating (KVA): 3 10 15 30
Throat Depth (mm): 150 150 150 150
Approx. Working Height (mm): 750 750 750 750
Max. Upper Electrode Stroke (mm): 25 50 50 50
Vertical adjustability of lower electrode holder - up & down (mm) 25 50 50 50
Max. Available Currents (Short Circuit) (Amps): 3000 8000 10000 12000
Standard Cylinder Size (mm) 50 65 75 100
Max. electrode force (Kg/cm2): 1.5 2 2.5 4
Air Consumption @ 100 operations per minute (Ltrs/sec): 1.62 7.5 7.5 13
Cooling Water Required (Ltrs/min): 3 5 10 15
Mains Supply Disconnect Switch Rating (Amps): 15 25 40 70
Main Supply Cable Size (Copper mm2): 8 12 15 25
Net Weight (kgs.): 140 170 200 270

High Precision Spot Welding Machines - Electronically Controlled

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Features:
- Current Control by means of 3 primary and 3 secondary taps on the transformer to provide welding current adjustment in 9 steps. Primary Taps (High / Low / Medium) manipulated by a heavy duty snap action rotary switch
- Weld Pressure provided by a sensitive spring carried on the welding head and regulated by a finely threaded large nut from 2 to 80 lbs. Only a fraction of the actual electrode force required on the padel due to the lever arrangement provided. 
- Weld Initiation by means of a Switch which initiates the weld only after preset pressure is built
- Specially designed low leakage reactance, air cooled transformer having specially insulated coils
- Solid State Electronic Timer provided. Timings: Short Range 5 - 50 cycles. Long Range 1 - 10 seconds (50 to 500 cycles)

Applications:
- Specially designed for precision welding work as encountered in manufacture of Vacuum Tubes, Instruments, Dentures, Fountain Pen Nibs, Artificial Jewelry, Spectacle Frames, Bulb Filaments, etc.
- A versatile machine capable of tackling delicate welds and also M.S. rods up to 12 SWG
- Capable of Welding Stainless Steel, Brass, Phosphor, Bronze, Alloy Steels, etc.

Specifications:

Model: SP-3
Rating @ 50% Duty Cycle (KVA): 3
Throat Depth (mm): 150 - 200 mm
Throat Height (mm): 100
Electrode Gap (mm): 10 to 3 mm
Max. available short circuit currents @ 15% Duty Cycle (Amps): 3600
Mains Supply Voltage: 220
Phases (nos.) 1
Net Weight (kgs.): 110

WELDABILITY 

Low Carbon Steel (MS) Stainless Steel (SS) Brass
SWG TPW* per min. SWG TPW* per min. SWG TPW* per min.
Sheet Min. 56 43 58 43 58 10
Max. 16 7 16 10 28 4
Wire Min. 30 56 26 66 20 20
Max. 12 5 20 28 14 11

*TPW - Thermally Permissible Welds


Micro Butt Welders for Fine Wires

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Welding Process:
- The ends of the wires to be joined are 'prepared' on the special shearing attachment (optional)
- Welding current and initial up-set gap set according to the size of wire, the up-setting pressure being preset at works
- The wire ends are rigidly clamped by special quick acting clamps and viewed through an illuminated magnifying glass (optional), to ensure correct alignment of the wire ends
- By pushing the button, butt welding cycle is initiated and completed automatically by built-in controls
- Weld completed, the job is then declamped and annealed in the annealing device (optional), if necessary

Features:
- Specially designed for Butt Welding of ferrous and non-ferrous wires in the range of 0.30 to 2.50 mm diameter, to withstand subsequent drawing
- The automatic welding process ensures high tensile and uniform welds
- Upset Travel - Movable platen travel on two parallel guides
- Upset Pressure - Provided by a precision spring action on the movable platen, precalibrated
- Electrodes - Special wear resistant copper alloy electrodes provided with precision 'V' grooves, permit rapid and accurate alignment of wires
- Adjustment of welding current by 8 position rotary switch

Specifications:

Model: MBW-31 MBW-515 MBW-720 MBW-825 MBW-0308 MBW-0515 MBW-825c
Nominal Rating (KVA): 1 1 1 1 1 1 3
Input Volts: 230 230 230 230 230 230 230
Frequency (Hz): 50 50 50 50 50 50 50
Phase: 1 1 1 1 1 1 1
Fuse Rating: 6 6 6 6 6 6 13
Shearing attachment for range diameter (mm) 0.3 - 1.2 0.5 - 1.5 0.7 - 2.0 0.7 - 2.5 0.3 - 0.8 0.5 - 1.5 0.8 - 2.5
Dimensions (mm):  213 x 193 x 450
Net Weight: 15.5 20
WELDING DATA 
Material to be welded: Iron, Steel, Nickel Iron, Steel, Nickel Iron, Steel, Nickel Iron, Steel, Nickel Copper, Brass, Bronze, Aluminium Copper, Brass, Bronze, Aluminium Copper, HiCarbon, Aluminium, Mild Steel
Welding Range diameter (mm): 0.3 - 1.2 0.5 - 1.5 0.7 - 2.0 0.8 - 2.5 0.3 - 0.8 0.5 - 1.5 0.8 - 2.5

Wire Butt Welding Machine

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Welding Process:
- The welding operation on these machines is automatic and the settings are easy
- Electrode spacing is adjusted by a lever set against a plate calibrated for wire diameter
- Upsetting pressure is adjusted by means of a dial calibrated for wire dia.
- Welding current is selected by a rotary switch
- Wires to be joined should be cut straight, exactly at right angles and free from burrs
- Wire ends are clamped by spring loaded clamping device which can be opened singly or together by foot pedals
- Releasing the foot pedals leaves the wire clamped under adequate pressure
- By the push of the button, welding cycle is initiated and completed automatically by built-in controls
- Weld completed, the job is then declamped and annealed if necessary in the seperate annealing electrodes

Features:
- Upset Travel - Movable platen travel on two parallel guides
- Upset Pressure - Provided by a precision spring action on the movable platen
- Electrodes - Special wear resistant copper alloy electrodes provided with precision 'V' grooves, permit rapid and accurate alignment of wires
- Adjustment of welding current in 6 steps from 50% to 100% by rotary switch

Specifications:

Model: WBW-28 WBW-28C WBW-14 WBW-256
Max. Rating (KVA): 5 8 12 20
Duty Cycle at Max. Rating: 2% 0.73% 0.56% 0.45%
Input Volts: 400 400 400 400
Frequency (Hz): 50 50 50 50
Phase: 1 1 1 1
Fuse Rating: 10 10 15 15
Net Weight with optional movable stand: 57 64 64 64
Dimensions with optional movable stand (mm):  915 x 685 x 1120
WELDING DATA 
Material to be welded: Iron, Steel Alloy Steel and Carbon Steel Copper, Brass Light Alloys

Welding Range - wire diameter (mm):

Steel with less then 0.5% C, unalloyed 2 - 8 2 - 8 1 - 5 3 - 8
Steel with 0.5 to 1% C, alloyed -- 2 - 8 -- --
Copper 2 - 3 -- 1 - 4 2.5 - 6
Aluminium Light Metal 3 - 5 -- 1.5 - 6 4 - 7

Upset Butt Welding Machine

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Application:
- Suitable for upset but welding of all profiles of wires and flats of iron, steel, alloy and carbon steel, copper, aluminium, brass and other light metals and their alloys

Features:
- Upset Travel - Movable platen travel on two parallel guides
- Upset Pressure - Provided by a precision spring action on the movable platen
- Clamps - Lever operated adjustable 'floating' steel clamps of precision quick acting design ensure firm preset clamping pressure. Release quick and easy.
- Electrodes - Special wear resistant copper alloy electrodes provided with precision 'V' grooves, permit rapid and accurate alignment of wires
- Adjustment of welding current by means of a 8 step rotary switch from 50% to 100%
- Electrode Spacing - Obtained with ease by a lever set against an indexing plate, adjusting in 10 steps
- Annealing Facility - Separate annealing electrodes with screw type clamps provided for ease and quick annealing of the welded job

Specifications

Welding Data

Model: UBW-415
Max. Rating (KVA): 20
Duty Cycle at Max. Rating: 5%
Input Volts: 400
Frequency (Hz): 50
Phase: 1
Fuse Rating (Amps): 40
Cable per phase (mm2): 10
Net Weight with optional trolley (kgs.): 155
Dimensions with optional trolley (mm):  710 x 675 x 1340
  H.C. M.S. Cu. Brass Aluminium
Wire Dia. in mm 4 - 10 4 - 15 4 - 8 4 - 10 5 - 10
Cross Section (mm2) 12 - 80 12 - 150 12 - 50 12 - 80 20 - 80
TPW* per hour 75 75 30 75 100

*TPW - Thermally Permissible Welds


VIDEO OF UPSET BUTT WELDING MACHINE


Band Saw Blade & Wire Butt Welding Machine

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Welding Process:
- The Saw Blades or Wire Ends to be joined should be cut straight, exactly at right angles and free from burrs on special shearing attachment (optional equipment)
- Welding Current, Upsetting Pressure and Upsetting Way are set according to the blade width
- The blade ends are rigidly clamped in special quick acting clamps provided on the machine
- By depressing the welding lever, the welding process begins
- The two ends are heated to forging temperatures in a few seconds and are then automatically forged (upset). The welding current switches off automatically
- The job is declamped and the weld completed
ANNEALING: The upsetting way switch lever is now turned to annealing and the job is clamped again with the extended jaw distance which comes in automatically on flipping the lever to annealing position.
- By pressing the annealing switch on which two heat positions are provided, the job is annealed in order to normalize the brittleness of the welded area.

Optional Equipment:
- Shearing Attachment: Special shears with arrangement for mounting on the front of the machine 
- Grinding Attachment: Mounted on top of the machine for removal of welded flash

Specifications:

Model: BBW-325 BBW-535 WBW-15
Job Band Saw Blades Band Saw Blades Wires
Band Saw Blade Width (mm): 3 to 25 5 to 35 --

Welding Wire Dia. Range (mm):

Iron & Steel -- -- 0.8 - 5
Copper -- -- 1 - 3
Aluminium -- -- 1.5 - 3
Nominal Capacity (KVA) 3 5 3
Grinder (KVA): 0.12 0.12 0.12
Input Voltage: 230 V / 50 Hz 230 V / 50 Hz 230 V / 50 Hz
Max. Current (Amps): 13 18 13
Duty Cycle at Max. Rating: 2% 2% 2%
Net / Gross Weight (kgs.): 25 / 35 28 / 38 25 / 35
Dimensions (mm):  275 x 235 x 225 275 x 255 x 225 275 x 235 x 225

Seam Welding Machines

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Features:
- Transformer fitted inside the body and upper electrode arm mounted directly on to the body
- Water Cooled welding transformer having core of high grade electrical steel, primary and secondary coils of solid electrolytic copper of ample section, heavy duty class 'F' insulated and vacuum impregnated, suitable to withstand continuous temperatures of 155oC
- Current Control by transformer taps - welding current adjustable in 8 steps from 55 to 100%
- Electrode control system - Upper ram actuated via a quick follow through device by a two-way pneumatic cylinder, controlled by a electrically operated solenoid valve. Compressed air at 15 to 110 psi acting on the pneumatic cylinder provides the necessary electrode force
- Circular disc type Top and Bottom Welding Wheels electrodes
- Variable Speed, reversible knurl / gear drive provided on top / bottom / both wheels as required. Drive power from a built-in 400 V, 3 Phase D.C. Motor, through variable speed reduction gearing to provide smooth and stepless variation of the welding speed
- Thyristorized electronic control consisting of Sequence Timers such as Squeeze, Weld, Cool, Hold Heat control unit

Application:
- Suitable for seam welding a variety of materials including Mild Steel, Stainless Steel, Aluminium, Galvanized Steel, Tin Plate, Terne Plate, etc.
- For all types of Drums, Barrels, Cans, Tins, Fuel Tanks, Mufflers, Utensils, Small Pipes, etc.

Specifications:

Model: SMW-50 SMW-75 SMW-100 SMW-150 SMW-200
Nominal Rating @ 50% Duty Cycle (KVA) 50 75 100 150 200
Standard Throat Depth (mm): 450, 600, 750 450, 600, 750 450, 750, 1050 450, 750, 1050 450, 750, 1050
Max. Length of Job at min. Job dia. (mm): 300, 450, 600 300, 450, 600 300, 600, 900 300, 600, 900 300, 600, 900
Working Height - Approx. (mm): 900 900 1050 1050 1050
Min. Lower Arm Work Clearance Diameter (mm) With Knurl / Gear Driven Electrodes: 380 380 430 430 430
With Idling Electrodes: 230 230 280 280 280
Electrode Wheels Diameter (Standard) (mm): 178 178 203 203 203
Electrode Wheels Thickness (Standard) (mm): 9.5 9.5 12.5 12.5 12.5
Upper Electrode Cylinder Stroke (max) (mm): 50 50 50 50 50
Vertical Adjustability of ram (mm): 50 50 75 75 75
Max. total upper electrode stroke (mm): 75 75 100 100 125
Max available currents (Short Circuit) (Amps): 450 mm Throat: 19000 23000 27500 34000 38000
600  mm Throat: 18000 21000 -- -- --
750  mm Throat: 17000 21000 26000 30000 33000
1050  mm Throat: -- -- 22000 28000 30000
Standard Cylinder Size (mm): 100 100 150 150 150
Max. electrode force (lbs) 
@ 80 psi / 5.62 kgs/cm2 inlet:
1000 1000 2250 2250 2250
Air consumption @ 50 operations/min (Cft/min - lts/sec): 25 - 11.8 25 - 11.8 50 - 23.6 50 - 23.6 50 - 23.6
Standard Welding Speed Range (Ft. per min / cms per sec): 2 - 9 / 1 - 4.5 2 - 9 / 1 - 4.5 2 - 9 / 1 - 4.5 2 - 9 / 1 - 4.5 2 - 9 / 1 - 4.5
Min. Cooling Water required (Gallons/min - Liters/min): 3 - 13.6 4 - 18 5 - 22.7 6 - 27.2 7 - 31.8
Mains Supply: 2 Lines of 3 Phase 415 V, 50 Hz supply
Cable copper conductor (per mm2): 50 95 150 250 400
Mains supply disconnect switch rating (Amps): 150 250 300 400 600
Welder Protection Fuses Rating (Amps) - Delay Action Type: 125 175 225 300 450

Arc Welding Rectifiers

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Features:
- Stepless transducting controlled Arc welding rectifier, for critical welding using low hydrogen and stainless steel electrodes
- Smooth Arc with feedback and filter transductor choke to minimize ripples and give quality welds and clear X-Rays
- Low Maintenance Three Phase Silicon Rectifier insures a stable D.C. output which improves Arc characteristics
- No rotating parts except cooling fan
- Designed to withstand acidic as well as off-shore weather conditions
- Varitrans provided for setting current. Setting can be changed during welding also.
- No Fuss striking due to start surge current
- Perfect open circuit voltage giving good strike properties
- Large reserve voltage permitting longer welding cables  

Specifications:

Model: DCR-300 DCR-400 DCR-500 DCR-600
Welding Current (Amps): 30 - 300 40 - 400 50 - 500 60 - 600
Welding Current at 60% Duty Cycle (Amps): 300 400 500 600
Welding Current at 100% Duty Cycle (Amps): 230 310 385 460
Open Circuit Voltage: 70 - 80 70 - 80 70 - 80 70 - 80
Max. Power (KVA): 22 30 38 45
Primary Current: 32 40 53 64
Connection Voltage: 380 - 440 Volts / 3 Phase / 50 Hz
Cable Section (Cu) (mm2): 10 10 16 16
Cooling Forced
Insulation Class: B
Approximate Net Weight (kgs.): 330 375 410 425
Approximate Machine Dimensions  (mm): 700 x 590 x 750 720 x 610 x 1000 750 x 660 x 1070 785 x 685 x 1100

MIG / MAG Welding Machines

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Features:
- Constant potential rectifiers suitable for Dip and Spray metal transfers
- Superb welding characteristics with separate multi position D.C. choke for all position welding
- Separate lightweight wire-feeder gives better reach
-Smooth wire feeding by Thyristorised D.C. drive
- Wire feeder incorporates 2 stroke / 4 stroke operations and Burn-Off control for easy welding 
- High Reliability, all position capability, ease of use, low cost and high productivity make MIG / MAG a natural choice for many welding applications

Specifications:

POWER SOURCE

Model: MIG-180 MIG-250 MIG-350 MIG-400
Maximum Welding Current (Amps) Load 100% 120 200 230 315
Load 60% 140 250 275 400
Load 40% 180 -- 350 --
Welding Current Min. - Max. (Amps) 30 - 180 50 - 250 50 - 350 60 - 400
Power Consumption (KVA): 6.2 9 13.5 20
Voltage Level: 9 10 20 36
Input Supply: 220 V / 1 Phase / 50 Hz 380 - 415 V / 3 Phase / 50 Hz
Off Load Voltage (VDC): 15 - 34 17 - 36 17 - 38 18 - 50
Inductance Tapping: 2 2 2 3
Insulation Class: H
Cooling Fan
Fuse Rating (Amps): DP 16 / 25 TP 16 TP 16 / 25 TP 25 / 32
Cross Section of Input Cable (mm2)