Mahanidhi Industries

• Wire Diameter Compatibility
• SAW nozzles are sized to match the welding wire diameter. Common ranges: e.g., 1.6 – 5.5 mm (1/16″ – 7/32″) per some SAW torch specs.
• For twin-wire SAW, nozzle geometry depends on two-wire arrangement.
• Insulation Type / Material
• Nozzles may have ceramic insulation: e.g., in Miller / Hobart SAW torches, ceramic insulation is rated up to 350 °C.
• For some high-temperature nozzles, alumina (Al₂O₃) ceramics are used.
• Other ceramics: silicon nitride (Si₃N₄), zirconia, etc., depending on design.
• Nozzle Length / Shape
• In SAW torches, there are “short” and “long” nozzle models. For example: short = 220 mm, long = 360 mm for some single-wire torches.
• Nozzle shape affects flux flow, access, and cooling.

The 15 AK Welding Nozzle is designed for use with MIG welding torches, providing efficient gas coverage and consistent arc stability. Built from high-quality copper alloy, it ensures durability, heat resistance, and long service life. Ideal for professional and industrial welding applications.

Specifications:

• Type: 15 AK MIG Welding Nozzle

• Material: Copper Alloy

• Inner Diameter: 12–15 mm (approx.)

• Length: 53 mm (standard size)

• Connection Type: Slip-on / Threaded (compatible with 15 AK torches)

• Usage: Suitable for MIG/MAG welding operations

• Features: Excellent heat dissipation, smooth gas flow, long-lasting performance

• Co2 Nozzle Name: Mig 15AK 
• Material: Copper
• Compatibility / Torch: 15AK / MB15 MIG/MAG / CO₂ welding torches.
• Nozzle Type: Conical 
• Inner Diameter: 12 mm 
• Outer Diameter: 16 – 19 mm 

The CO₂ Preheater Coil is designed to heat carbon dioxide gas before it enters the regulator during welding operations. When CO₂ gas expands from the cylinder, it causes freezing at the regulator outlet, leading to unstable gas flow and welding defects. This preheater prevents icing, ensures smooth gas flow, and improves welding efficiency. It is widely used in CO₂ / MIG welding applications in fabrication shops, workshops, and industrial plants.

Technical Specifications

Heating Details

• Product Type: CO₂ Gas Pre-Heater / Preheater Coil
• Heating Power: 70 W to 150 W (model dependent)
• Operating Voltage: 110V / 230V AC, 50–60 Hz
• Heating Temperature: Up to 70–80°C (thermostat controlled)
• Warm-Up Time: 10–15 minutes

Gas & Pressure

• Gas Type: Carbon Dioxide (CO₂)
• Maximum Working Pressure: Up to 160 bar
• Maximum Gas Flow: Suitable for standard CO₂ welding flow rates
• Installation Position: Inline between CO₂ cylinder and regulator

Material & Construction

• Body Material: Brass / Aluminum (heavy-duty industrial grade)
• Heating Coil: High-quality insulated resistance coil
• Finish: Corrosion-resistant surface
• Design: Compact and robust for continuous operation

Connections

• Inlet / Outlet: Standard BSP welding cylinder connections
• Mounting: Direct inline fit with CO₂ regulator 

Additional Details

• Usage/Application: CO₂ Welding (MIG Welding)
• Country of Origin: Made in India
• Packaging Type: Box Packing
• Condition: New 

Package Contents

• 1 × CO₂ Preheater Coil
• Power Cable (as applicable) 

Applications

• CO₂ Welding Machines
• MIG Welding
• Fabrication Workshops
• Industrial Welding Plants

Features & Benefits

✔ Prevents regulator freezing
✔ Ensures continuous and stable CO₂ gas flow
✔ Improves welding quality and efficiency
✔ Easy installation and low maintenance
✔ Suitable for heavy-duty industrial use

• Prevents CO₂ regulator freezing during welding
• Ensures smooth and continuous gas flow
• Suitable for CO₂ / MIG welding applications
• Heating power: 70W–150W (model dependent)
• Operating voltage: 110V / 230V AC
• Thermostat controlled heating (up to 80°C)
• Heavy-duty brass / aluminum body
• Inline installation between cylinder & regulator
• Compact design, easy to install
• Ideal for workshops & industrial welding use

• This CO2 preheater is a device that warms up carbon dioxide gas before it is used in an industrial process. The primary purpose of this CO2 preheater is to prevent the temperature of the gas from dropping too low, which can cause freezing and damage to equipment, or lead to inconsistent gas flow.
• This heater is equiped with thermostat for autocut facility.

• Model / Compatibility: Designed for the 36 KD / MB-36KD MIG torch.
• Thread / Size Options: Available in M6 and M8 thread sizes.
• Current Rating / Duty Cycle: For 36 KD torch consumables: Rated current 320 A (CO₂), 290 A (mixed gas) per KO Welding.
• Wire Size Compatibility: Compatible wire diameters: 0.8 mm to 1.2 mm.
• Material: made of brass (for good conductivity and heat resistance). 

• Amperage (CO2 Gas): 250 Amps
• Amperage (Mixed Gas): 220 Amps
• Duty Cycle: 60%
• Cooling Method: Gas-Cooled (Air-Cooled)

MIG Nozzle PSF 250

Durable MIG welding nozzle designed for PSF 250 torches. Provides smooth gas flow, stable arc, and cleaner weld quality. Made from high-grade copper for excellent heat resistance and long life.

Specifications:

• Model: PSF 250

• Material: Copper

• Type: MIG welding nozzle

• Application: Suitable for PSF 250 MIG welding torches

MIG Welding CO₂ Gas Pre-Heater

• Input Voltage: 230 V AC / 50 Hz (Single Phase)

• Power Rating: 200 W

• Gas Type: CO₂ (Carbon Dioxide)

• Flow Rate: 5 – 25 L/min

• Operating Pressure: Up to 4 bar (downstream of regulator)

• Temperature Rise: +20 °C – 30 °C above ambient

• Connection: ¼″ NPT or 8 mm Hose Fitting

• Material: Brass & Stainless-Steel Body

• Mounting: Wall / Bench Type

• Protection: Thermal Cut-out & Fuse

• Weight: Approx. 4 kg

• Warranty: 12 Months

Features:

• Quick heating for smooth gas flow

• Compact, durable, and easy to install

• Prevents weld defects in cold or humid conditions

Category: Welding Accessories / CO₂ Gas Heater

Common Styles (Binzel-style):

• 15AK / MB15AK: Typically for light-duty welding, often around 150 Amps.

• 24KD / MB24KD and 25AK / MB25AK: For medium-duty applications, often around 250 Amps.

• 36KD / MB36KD: For heavy-duty use, often rated around 300 Amps or higher.

• 40KD: For heavier industrial applications.

• Thread: M6 × 1.25
• Length: 45 mm
• Wire Diameter (Bore): 1.2 mm 
• Material: Copper
• Compatibility / Use: Suitable for M6-threaded MIG torches (e.g., Binzel MB25, MB36, SIP MB25/MB36 etc.).
• Tolerance / Inner Diameter: According to Trident, inside-diameter tolerance is held to  for their M6 × 45 tips.
• Finish / Marking: marked with part number and wire size for easy identification. 

Pin Count: 6 pins (3×2 or 1×6 arrangement depending on model)

Gender: Male (plug): has exposed metal pins Female (receptacle): has metal sockets to receive pins

Pitch: 2.54 mm (0.1") 2.50 mm (JST-XH) 2.00 mm (JST-PH) 3.00 mm or 3.96 mm (Molex KK / Mini-Fit Jr.)