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WC-03338 4m MIG/TIG Gas Hose Kit: Contents & Configurations

The Weldclass WC-03338 universal 4m gas hose kit for Argon or CO² gas includes a range of fittings, to suit almost any brand or model of MIG or TIG welder.

The following instructions illustrate different assembly configurations / options.

This hose kit is primarily intended for connecting the gas regulator (cylinder) to the welding machine, however it can also be used to extend existing gas hoses.

If you require longer hose length or bulk options, see the range of Weldclass MIG/TIG gas hoses here.

Kit Contents

Ref	Description	Image
A	Gas Hose 5mm ID x 4m
B	Hose 8mm ID x 100mm
C	Nipple for 5mm ID hose x 2
D	Nut 5/8" UNF RH x 2
E	Quick-Connect Female Socket suit 5mm ID hose x 1
F	Quick-Connect Male Plug suit 5mm ID hose x 1
G	Joiner / Reducer Fitting suit 5mm & 8mm ID hose x 1
H	Hose Clamps suit 5mm & 8mm ID hose x 5

How to fit hose clamps

Hose clamps can be crimped with pincers or side-cutting pliers.  Kit will include 2 sizes of clamps slightly different in diameter, use the smaller diameter on the 5mm ID x 4m hose (A) and the larger diameter clamps on 8mm ID hose (only required for configuration 4 as below).

Assembly Configurations

As follows are some of the many different configurations that are possible with this hose kit.

Configuration 1: Suit welders with Quick-Connect gas inlet

Suits machines with common Ø9mm male quick-connect plug.

Configuration 2: Suit welders with 5mm Nipple inlet

Configuration 3: Suit welders with 5mm Nipple inlet, converts to quick-connect

Cut a short (50-100mm) length of hose from the 4m hose (A), and fit to machine. Remainder of 4m hose can then be attached to this via the quick-coupling fittings.

Configuration 4: Suit welders with 8mm Nipple inlet

Fit the 100mm length of 8mm ID hose (B) to the machine, then use the reducer fitting (G) to attach the 5mm ID x 4m hose (A).
Suits some Weldclass 160MST, 180MST and 200MST welding machines. 

Configuration 5: Suit welders with 5/8" Male Threaded inlet

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