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Cabrinha/Slingshot Valve size

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CanadianGringo
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Cabrinha/Slingshot Valve size

Postby CanadianGringo » Sun Nov 22, 2020 10:21 pm

Lost my valve for my rpm and my drifter. I have always used the same valve for both these kites. To be more
Specific the drifter is 2019.

The local kite shops are out - and hope to order one up Amazon prime ASAP.

I know these are so called “Boston Valves” and quite generic - but does anyone know the exact size?

Thanks

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Re: Cabrinha/Slingshot Valve size

Postby GregK » Sun Nov 22, 2020 11:41 pm

Boston valves are similar to the Slingshot & Cabrinha kite inflate/deflate valves, but not identical. Boston valves have a slightly larger plug ( the first part threaded into the base of the valve that acts as the deflate plug ) and the cap or 1-way valve top section requires an adapter to connect to the pump hose. The Cab/SS cap has the same O.D. ( outer diameter ) as a pump hose adapter and the bayonet pins to connect directly to the pump hose without the need of an adapter.

The Cab/SS plug & cap you need is here - https://pksdistribution.com/proddetail. ... rlock2_cap
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Herman
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Re: Cabrinha/Slingshot Valve size

Postby Herman » Mon Nov 23, 2020 11:09 am

I only have old kites but it seems there is no industry standard and so you may be wise to get an OEM replacement. From my kites with Boston style valves I have the following observations.

Cab and spleene seem similar and use an adaptor that screws into the valve for pump hose connection. The adaptors came attached to the kite.

Ozone uses the large adaptors for the pump hose that comes with the pump. Inlet slightly bigger and not threaded on the internal bore like the Cab.

PS anybody tested to see if the ozone valve can be screwed into a cab base/port??
Last edited by Herman on Tue Nov 24, 2020 11:04 am, edited 1 time in total.

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GregK
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Re: Cabrinha/Slingshot Valve size

Postby GregK » Tue Nov 24, 2020 3:42 am

Herman - your Gen1 Cab Airlock inflate valve will not accept a plug from a Boston valve from a Ozone, older Naish, Airush, and several other brands. Hole diameter and probably thread pitch are different.

Boston valve plugs can be connected to a pump hose either with a large tapered pump adapter nozzle:
Image

or there's also hose adapters that screw onto the plug's cap threads :
Image
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