Abstract: A multiple valve control assembly is described. The multiple valve control assembly includes a first cam/lever assembly to close a first valve, and a second cam/lever assembly to close a second valve. A first locking surface of the first cam/lever assembly, when the first cam/lever assembly is in the open position, physically blocks the rotation of the second cam/lever assembly. This provides for a pressure line to be closed by the first cam/lever assembly before the tank line can be closed by the second cam/lever assembly.

Abstract: A multiple valve control assembly is described. The multiple valve control assembly includes a first cam/lever assembly to close a first valve, and a second cam/lever assembly to close a second valve. A first locking surface of the first cam/lever assembly, when the first cam/lever assembly is in the open position, physically blocks the rotation of the second cam/lever assembly. This provides for a pressure line to be closed by the first cam/lever assembly before the tank line can be closed by the second cam/lever assembly.

Abstract: A multiple valve control assembly is described. The multiple valve control assembly includes a first cam/lever assembly to close a first valve, and a second cam/lever assembly to close a second valve. A first locking surface of the first cam/lever assembly, when the first cam/lever assembly is in the open position, physically blocks the rotation of the second cam/lever assembly. This provides for a pressure line to be closed by the first cam/lever assembly before the tank line can be closed by the second cam/lever assembly.

Abstract: A metering device with a protective sleeve or cover is described. The metering device adjusts a flow of a fluid. The metering device includes a valve, a neck, and a stem. The neck includes an opening to receive the stem in a rotational engagement. The stem is engaged to the valve to adjust the valve. The sleeve or cover encloses or covers the opening. The sleeve includes a first opening and a second opening. The first opening attaches to the neck. A knob inserts through the second opening of the sleeve. The knob attaches to the stem, and rotating the knob adjusts the valve.

Abstract: A secure fastener assembly is described. The secure fastener assembly includes a flanged nut and a sleeve. The flanged nut includes a body portion and a flange portion. The sleeve includes an upper opening and a lower opening joined by a wall. The wall includes a shoulder in an inner surface of the wall near the upper opening. The shoulder receives the flange portion. A ball valve using the securing fastener assembly is also described.

Abstract: A non-removable screw nut fastener assembly for affixation to a threaded bolt member comprising a nut member with a round substantially smooth exterior surface having a peripheral snap ring groove, a cap member having one closed end and an interior surface having a peripheral snap ring groove, the cap member being of such size as to fit closely but loosely over the nut member when the nut is fastened to the bolt member substantially enclosing and prevent turning of the nut and a snap ring resting untensioned partly within each of the peripheral grooves to prevent removal of the cap member.