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CUTTING NOZZLES

THE TRADEMARK FOR HIGH QUALITY CUTTING

Koike Cutting Nozzles

Koike oxy fuel cutting nozzles are designed and manufactured to provide high quality cutting, safe operation, longer cutting life, high speed cutting and save gas costs. In addition our 100 series cutting nozzle can be used to replace Airco® style cutting nozzle.

All Koike 100 Series cutting nozzles are designed to mix the fuel and the oxygen used for preheating inside the nozzle. This is recognized as one of the safest methods. 

Selecting Koike oxyfuel cutting nozzle

By gas type:

Acetylene
102 HC Standard nozzle
102 D5 High speed divergent nozzle for 5-bar cutting oxygen pressure
102 D7 High speed divergent nozzle for 7-bar cutting oxygen pressure
402 ST Special nozzle for IK-82 portable cutting machine

Propane (LPG) / Propylene / Butane
106 HC Standard nozzle
106 D5 High speed divergent nozzle for 5-bar cutting oxygen pressure
106 D7 High speed divergent nozzle for 7-bar cutting oxygen pressure
106 M Heavy preheat nozzle (standard tip)
106 M7 Heavy preheat nozzle (high speed 7-bar divergent tip)
406 NT Special nozzle for IK-82 portable cutting machine
EPOCH 300 Out-mixing nozzle for cutting thickness 100 – 300mm mild steel (Propane only)
EPOCH 600 Out-mixing nozzle for cutting thickness 300 – 600mm mild steel (Propane only)

 

 

Natural gas / Methane
107 Standard nozzle
107 D7 High speed divergent nozzle for 7-bar cutting oxygen pressure

 

 

Etylene
103 D7 High speed divergent nozzle for 7-bar cutting oxygen pressure

By application:

Standard --- Hand and mechanized cutting
102 HC For Acetylene
106 HC For Propane (LPG) / Propylene / Butane
107 For Natural gas / Methane
High speed --- High speed mechanized cutting
102 D5 For Acetylene; 5 bar cutting oxygen pressure
102 D7 For Acetylene; 7 bar cutting oxygen pressure
103 D7 For Etylene; 7 bar cutting oxygen pressure
106 D5 For Propane (LPG) / Propylene / Butane; 5 bar cutting oxygen pressure
106 D7 For Propane (LPG) / Propylene / Butane; 7 bar cutting oxygen pressure
106 M7 For Propane (LPG) / Propylene / Butane; 7 bar cutting oxygen pressure & Heavy preheat
107 D7 For Natural gas / Methane; 7 bar cutting oxygen pressure

 

 

Heavy preheat --- Bevel cutting and other processes requiring high heat input
106 M For Propane (LPG) / Propylene / Butane; Standard nozzle design
106 M7 For Propane (LPG) / Propylene / Butane; High speed nozzle design

 

 

 

Heavy thickness --- Special out-mixing nozzle for cutting thickness up to 600mm
EPOCH 300 Out-mixing EPOCH style nozzle for cutting thickness 100 – 300mm. To be used with Propane only.
EPOCH 600 Out-mixing EPOCH style nozzle for cutting thickness 300 – 600mm. To be used with Propane only.
IK-82 series --- Special nozzle for Koike IK-82 series cutting machine
402-ST For Acetylene
406-NT For Propane (LPG) / Propylene / Butane

 

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Trademark of Quality
All genuine KOIKE cutting nozzles are marked with Koike Japan logo.

High speed Divergent Technology [D5, D7 and M7 -series]

The cutting oxygen outlet of the high-speed divergent nozzles is called a divergent shape and it is designed through a high technical calculation.

In order to make the most of the divergent shape for a long term of the operation, Koike employs the unique patented stainless steel lining. The state-of-the-art divergent nozzle design provides faster cutting and long life time compared to the standard nozzles.

 

  • Up to 28% cutting speed increase
  • Up to 26% gas consumption reduction
  • Up to 5 times longer life time.

Heavy Preheat Nozzles [M-series]

The M-series cutting nozzles are designed for applications that require higher heat input for stable cutting.

With the deeper slits on preheating gas lines, preheat flame of M-series nozzles spreads wider than standard or divergent nozzles. Also the nozzle provides larger heat coverage around the cutting oxygen stream by heavier preheating.

M-series nozzles are especially useful for bevel cutting applications where flame easily deflects from the work piece and requires higher heat input compared to perpendicular cuts.

 

  • Designed for bevel cuts
  • Wider and heavier preheat flame

Heavy duty Out-mixing Nozzle [EPOCH-series]

EPOCH is a specially designed out-mixing nozzle series to cut heavy thickness steel safely and efficiently. 

  • Out-mixing nozzle that is safe and no flashback
    Preheat oxygen and fuel gas is mixed after Out-mixing eliminates any possibility of flashback
  • Good stand-off height
    EPOCH nozzle is designed to have higher torch position, 50-70mm off the plate. higher position helps preventing overheat of the torch system especially when cutting extra thick materials
  • Cool-running; no overheating
    Lasts longer because it is engineered to run cool during cutting
  • Excellent cutting surface
    Minimal or no slag; top edges are squared.