Fire extinguisher thread

[ChrisKazoo]

Hi Guys

I've bought a CO2 fire extinguisher to fill up a paint ball tank but can't get anything to screw onto it.



I've bought this fill station:
http://www.ebay.co.uk/itm/2806333908...84.m1439.l2649

But I can't get the US CGA 320 thread to screw on.

I've got a male 1/2" bsp to female 1/2" bsp nipple adapter which the fill station will screw onto but it won't screw onto the extinguisher. It also screws on to the female thread of the horn.

On Woody's website he says:
"1/2" BSP = CGA 320 .... Well it is the same apart from the thread angle. ☺
A female 1/2" BSP .... British Standard Pipe..... fitting will screw nicely onto the male CGA 320 thread. "

It also says about using an American reg on a EU thread that you can buy this http://www.weldability-sif.com/pages...tring=daco2nut.

Am I going to need to buy it and take the fill station apart?

Starting to get the feeling the world doesn't want me to try pneumatics!

[HereticBlue]

Seems to have similar fittings to the plumbing I've worked with from Jewsons. (builders merchants) It might be worth checking the website or your local store before taking a gamble with the internet, but then again I could be completely wrong.

[adz600]

Trev makes co2 nuts he might be able to help U

[Max]

Did the extinguisher not come with the nozzle? The nozzle usually had a CO2 nut on it which can be removed with some encouragement.

[ChrisKazoo]

Might have to try that then

[mightymouse]

Chris,

The nuts are specials at 0.860" x 14 tpi, but 7/8"UNF nuts will fit.

You will not be able to buy from any CO2 supplier unless you can prove you are qualifed.

I have a bag of nuts (c/o Pete Lale) and can machine an adaptor to any thread you want.....pm me.

Trev