mounting base 14 with holes 16 for mounting the differential pressure control 10 in any desired location the housing 12 defines a central chamber 18 having opposed high pressure and low pressure inlets 20 and 22 respectively at its open ends that are adapted to carry connectors 24 26 having threads or other means to which pressurized fluid lines not shown may be attached in this embodiment the connectors 24 26 are formed separately of a polysulfone compound udel and are secured to the housing 12 by screws 28 see fig2 each connector 24 or 26 further includes a relatively small diameter 0 062 inch in this example hole 30 for allowing pressurized fluid to enter the central chamber 18 between each inlet 20 22 and the central chamber 18 is disposed a diaphragm 32 that in this example is formed of 0 005 inch thickness polyether material the diaphragm 32 is secured in a sealed relationship relative to the chamber 18 between the housing 12 and an o ring 34 disposed in an annular trough 36 about each of the connectors 24 26 each o ring 34 in turn seals the corresponding connector 24 26 to the housing 12 note that each connector 24 26 includes a flared opening 38 proximate the chamber 18 to facilitate a wide fluid contact surface for its.