The 40003918-006 (identically cross-referenced as 40003918-006/U) includes a precision-engineered ball and shaft assembly and a rugged adapter plate

This specifies the exact pressure (measured in water column) required to actuate the internal diaphragm and close the electrical circuit

to prevent acid formation

Common Questions: Is the X22517B7B compatible with balanced port valves

Spence 04-01641-00 Diaphragm Els PW 17895 The 40003918-006 (identically cross-referenced asMaintaining a precise pressure setpoint requires high integrity components, and the Spence 04 01641 00 Diaphragm is the industry standard for 2 1 2" Type E Main Valves. As a veteran technician, you know that the performance of pilot operated regulators hinges on the responsiveness of the stainless steel diaphragm. This OEM replacement part is engineered to withstand the rigorous demands of steam and fluid process control, ensuring a frictionless