The ornamental design for a diaphragmvalve for breathing apparatus, as shown and described.
FIG. 1 is a left side view of a diaphragm valve for breathing apparatus.
FIG. 2 is a right side view of the diaphragm valve for breathing apparatus shown in FIG. 1.
FIG. 3 is a rear view of the diaphragm valve for breathing apparatus shown in FIG. 1.
FIG. 4 is a top plan view of the diaphragm valve for breathing apparatus shown in FIG. 1.
FIG. 5 is a bottom plan view of the diaphragm valve for breathing apparatus shown in FIG. 1.
FIG. 6 is a rear perspective view of the diaphragm valve for breathing apparatus shown in FIG. 1; and,
FIG. 7 is a front perspective view of the diaphragm valve for breathing apparatus shown in FIG. 1.
The broken lines of FIGS. 1-7 are for the purpose of illustrating portions of the diaphragm valve for breathing apparatus and form no part of the claimed design.