Air operated double diaphragm pump with accessible features

A pump comprising:

• a first pumping chamber housing and a second pumping chamber housing, each defining at least in part a pumping chamber;
• a valve body housing disposed between the pumping chamber housings configured to be in fluid communication with each pumping chamber;
• and
• a valve body disposed within the valve body housing, the valve body comprising:
• a pilot valve bore housing a pilot valve assembly, and
• a main fluid valve bore housing a main fluid valve assembly, the main fluid valve bore being different than the pilot valve bore, and
• wherein the valve body is configured to be selectably removeable from the valve body housing, wherein the valve body is configured such that the pilot valve assembly and the main fluid valve assembly remain housed within the valve body during the selective removal of the valve body from the valve body housing.

A pump comprising:

• a first pumping chamber housing and a second pumping chamber housing, each defining at least in part a pumping chamber;
• a valve body housing disposed between the pumping chamber housings;
• and
• a valve body disposed within the valve body housing and in fluid communication with each pumping chamber of the first and second pumping chamber housings, wherein a bottommost surface of the valve body is configured to contact and be supported by an inner lower surface of the valve body housing when arranged within the valve body housing, the valve body being selectably removable from the valve body housing and comprising:
• a pilot valve bore housing a pilot valve assembly, and
• a main fluid valve bore housing a main fluid valve assembly, the main fluid valve bore being different than the pilot valve bore.