Screw nut TR90X8 with safety system and hose addition with external thread G6/4. Thanks to the safety system(key/keyhole) on the screw nut the nut can be tightened only on the flange provided for the same liquid gas. The screw nut contains little balls which enable turning of the hose connection. The screw nut and the hose connection are made of brass and the balls are made of stainless steel. It is used in liquid gas intake ducts.
The screw nut is produced in accordance with EIGA 909/03/E standard(EIGA CRYOGENIC GASES COUPLINGS FOR TANKER FILLING).