An apparatus suitable for pressurized liquid transfusion, comprising: a casing including a channel for routing a liquid from a pressured source; a receptacle including an internal volume, the receptacle further includes an inlet opening and an outlet opening smaller in dimension than the inlet opening , wherein the inlet opening is at a high pressure end of the receptacle , and the outlet opening is at a low pressure end of the receptacle where the liquid exits; a cap for covering the inlet opening , the cap further includes a through hole for the liquid to enter the internal volume of the receptacle ; a nozzle accommodated by the receptacle and including an outer perimeter and an internal, narrowing nozzle bore fluidly connecting the inlet opening and the outlet opening of the receptacle ; an elastomeric ring holding the nozzle , wherein a height of the elastomeric ring is greater than that of an inner wall of the receptacle , the elastomeric ring is accommodated by the receptacle and includes an internal contour in contact with the outer perimeter of the nozzle ; and a check nut engageable with the casing , wherein the elastomeric ring is tensioned to receive the nozzle , wherein when the casing and the check nut are engaged, the cap presses towards the receptacle and a proper seal is created between the elastomeric ring , the nozzle and the cap such that: (i) the liquid will be directed from the pressured source via the casing towards the nozzle in a controlled manner, and (ii) the liquid is prevented from leaving the receptacle except from the outlet opening , wherein the nozzle and the elastomeric ring occupy the internal volume except for at least a void at the inlet end of the nozzle . a casing including a channel for routing a liquid from a pressured source; a receptacle including an internal volume, the receptacle further includes an inlet opening and an outlet opening smaller in dimension than the inlet opening , wherein the inlet opening is at a high pressure end of the receptacle , and the outlet opening is at a low pressure end of the receptacle where the liquid exits; a cap for covering the inlet opening , the cap further includes a through hole for the liquid to enter the internal volume of the receptacle ; a nozzle accommodated by the receptacle and including an outer perimeter and an internal, narrowing nozzle bore fluidly connecting the inlet opening and the outlet opening of the receptacle ; an elastomeric ring holding the nozzle , wherein a height of the elastomeric ring is greater than that of an inner wall of the receptacle , the elastomeric ring is accommodated by the receptacle and includes an internal contour in contact with the outer perimeter of the nozzle ; and a check nut engageable with the casing , wherein the elastomeric ring is tensioned to receive the nozzle , wherein when the casing and the check nut are engaged, the cap presses towards the receptacle and a proper seal is created between the elastomeric ring , the nozzle and the cap such that: (i) the liquid will be directed from the pressured source via the casing towards the nozzle in a controlled manner, and (ii) the liquid is prevented from leaving the receptacle except from the outlet opening , wherein the nozzle and the elastomeric ring occupy the internal volume except for at least a void at the inlet end of the nozzle . <EOS>