20130220454 | POSITION-ADJUSTABLE GAS REGULATOR - A pressure regulator for controlling the flow of gas from a high pressure source to a low pressure device includes a body having a high pressure inlet defining a seat. An adjusting collar has a centrally located bore. The collar engages the body at any predefined radial orientation. The collar has a thread and is securable to the body at the selected radial orientation. The regulator also has a threaded bonnet to engage the collar. A locking ring engages the body and secures the adjusting collar to the body. A piston has a central bore and is disposed within a piston chamber that defines a gap between the piston and a wall. The piston is movable between an open condition and a closed condition. A spring moves the piston to the open condition. A pin valve is disposed in the central longitudinal bore in the piston. | 08-29-2013 |