Can tap

A can and tap system for dispensing refrigerants comprising:

• a can tap comprising:
• a housing having a body, a lower end having an inlet, an upper end having an outlet, a throat between the lower end and the upper end;
• a pin located within the housing having an upper end secured to the housing body, a lower end having a blunt depressor suitable for contact with a can having a top in which is positioned a self-sealing valve, wherein the blunt depressor is capable of operating the valve of the can, and a flow portion between the upper end and the lower end of the pin located within the housing throat wherein the flow portion allows fluid to flow between the housing and the pin wherein the pin has a rotatable handle and a gasket mounted around the pin maintaining a fluid-tight engagement between the pin and housing and the pin further comprises a pin limiter having at least one shoulder and the housing further comprises a stop positioned along a housing throat at the housing inlet wherein the at least one shoulder and the stop are sized such that the at least one shoulder contacts the stop to limit a distance the pin can descend when the pin is engaged;
• a gasket positioned adjacent to the housing at the housing inlet and further positioned so as to be capable of contacting a can when the tap is affixed to a can;
• a tap outlet in fluid communication with the housing outlet at the upper end of the housing;
• and
• wherein the can tap has a threaded portion which is affixed to a can through a threaded portion of the top of the can, wherein the can has an upraised crown with an opening through which depressor of the pin can pass,
• wherein the valve has an o-ring seal which seals the top of the valve and a plug which presses against the o-ring seal;
• and wherein the can and tap assembly can be attached and detached from a can.