invention can be used with a fill station containing a suitably rated female fitting when the high pressure bottle is empty the filing station containing the female fitting is connected to the valve body assembly at the high pressure inlet male fitting and high pressure gas air or nitrogen is transferred from the filling station through the valve body assembly and into the high pressure bottle 0032 fig1 shows the valve body assembly parts interconnected with each other in accordance with the present invention the valve spring 14 is placed into a spring cavity 30 inside the valve body 12 the valve pin 16 is also placed inside the spring cavity 30 such that the back end of the valve pin 16 makes contact with the valve spring 14 the valve spring 14 acts to keep the valve pin 16 from making contact with the back side 32 of the spring cavity 30 the seat seal 18 and seat seal retainer 20 are configured and positioned inside the valve body 12 such that the spring 14 forces the pin 16 towards the seat seal 18 the pin 16 will rest at the seat seal 18 the hollow hex allen seat seal retainer set screw 22 is screwed into the valve body 12 to set the seat seal retainer 20 and the seat seal 18 in place 0033 fig3 shows a sectional view of the front or main body assembly 34 in accordance with the present invention as will be described in detail herein the main body assembly 34 attaches to the pistol grip of the marker and is.