which cup fits you?

Answer five short questions and we show you which cup, gas lens, collet and electrode fit your torch and your work.

1. Which torch do you have?

WP9/20 WP17/18/26

2. Which electrode thickness do you use?

1.6 mm 2.4 mm 3.2 mm

3. Which material do you mainly weld?

Stainless steel Titanium Aluminium Steel

4. What kind of work do you do?

Tight corners and a narrow weld pool Larger weld pool or a long electrode stick-out Pipework and all-round welding Large or wide weld pool (stainless or titanium pipework)

5. What matters most to you?

I want to see the arc clearly I want a robust cup for lots of heat It must not break when dropped

size chart

How to read the cup size and how the parts fit.

Cup sizes
Size	Opening	Good for
#12	± 19 mm	Steel, stainless, tight corners and a narrower weld pool
#14	± 22 mm	Stainless, larger weld pool and more electrode stick-out
#16	± 25 mm	Stainless, pipework and all-round
#24	± 38 mm	Stainless and titanium pipework, large and wide weld pool
#32	± 51 mm	Very wide weld pool for titanium

Which part on which torch?
	WP9/20	WP17/18/26
PW cups and gas lenses	✓	with 17GL adapter
Threaded gas lens	45V43 / 45V44 / 45V45	17GL116 / 17GL332 / 17GL418
Gas lens with rubber ring (NQ)	45V43NQ / 45V44NQ / 45V45NQ	4GL116NQ / 4GL332NQ / 4GL418NQ
Collet (threaded)	13N22 / 13N23 / 13N24	10N23S / 10N24S / 10N25S
Collet (rubber ring)	2C116GS / 2C332GS / 2C418GS	4C116GS / 4C332GS / 4C418GS
Back caps	9/20	17/18/26

In each row, the three numbers belong to 1.6, 2.4 and 3.2 mm electrode thickness.