Rapid screw coupling are made both in Carbon Steel and Stainless Steel (AISI 316)

The standard threaded is BSPP but NPT threaded is available on request.

Gaskets are available in Viton or PTFE.

Generally used for high pressure.

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Our "Screw 30" Series is made exclusively in Stainless Steel AISI 316. Also the inner springs are in the same material.
The connection system is carried out by screwing the threaded sleeve assembled on the male part. This assures a gradual movement of the inner valve and a wide margin of safety also with under-pressure fluids.
The easy way of connection by sleeve rotation explains the great spreading of this kind of couplings in many countries of the world.
Our Series 30 provides a wide range of sizes: from 1/4" to 1"1/2.


Our "Screw 40" Series is engineered for very high pressure industrial uses
They have very thick components and a connection system by screw. The coupling is carried out by rotating the threaded sleeve assembled on the female part (just the opposite of our Screw 30 Series, where the sleeve is on the male part).
As well as our "Screw 30", also this Series of couplings assures a safe and gradual movement of the valve and the possibility of connection with under pressure fluids