Emerson Fisher 63EGLP Instruction Manual page 6

Type 63EGLP/63EGLP-16
PORT A (EXHAUST)—THE MAIN VALVE LOADING PRESSURE IS DISCHARGED TO THE MAIN VALVE OUTLET OR TO ATMOSPHERE PRESSURE.
PORT C (LOADING)—A LOADING PRESSURE SIGNAL IS SENT FROM THIS PORT TO THE MAIN VALVE DIAPHRAGM CASING.
PORT D (CONTROL)—THE MAIN VALVE INLET PRESSURE IS SENSED AT THIS PORT.
15A6002XW22
3X 11A3740 (2 MNPT NIPPLE)
6
PORT C
(LOADING)
PORT D
(CONTROL)
Figure 5. Pilot Port Functions (bottom view)
1/4 NPT PLUG IN SIDE TAP
TYPE 63EGLP-16 WITH TOP VIEW FOR 2 MNPT
TYPE 63EGLP-16 BOTTOM WITH INTERNAL SECTION FOR 2 MNPT
Figure 6. Type 63EGLP-16, 2 MNPT
PORT A
(EXHAUST)
TUBING