Emerson Fisher 63EGLP Series Instruction Manual page 4

Type 63EGLP
aCTiVE
PiLOT
SPRinG
VaLVE
DiaPHRaGM
TyPE 63EGLP aT nORMaL COnDiTiOn
(BOTH Main VaLVE anD aCTiVE PiLOT aRE CLOSED)
inaCTiVE
PiLOT
HanDLE aSSEMBLy
inLET PRESSuRE
OuTLET (ExHauST) PRESSuRE
aTMOSPHERiC PRESSuRE
LOaDinG PRESSuRE
4
inaCTiVE
PiLOT
HanDLE aSSEMBLy
Main SPRinG
VaLVE PLuG
BULK STORAGE TANK
aCTiVE
PiLOT
HanDLE aSSEMBLy iS aLWayS POinTinG aWay FROM THE aCTiVE PiLOT.
ROTaTiOn OF HanDLE aLLOWS CHanGinG OF aCTiVE PiLOT.
Figure 3. Type 63EGLP Operational Schematics
aCTiVE
PiLOT
PiLOT
DiSCHaRGE
TyPE 63EGLP aT OVERPRESSuRE COnDiTiOn
(aCTiVE PiLOT DiSCHaRGES LOaDinG PRESSuRE, Main VaLVE
DiSCHaRGES ExCESS inLET PRESSuRE)
aCTiVE
PiLOT
inaCTiVE
PiLOT
HanDLE aSSEMBLy
Main VaLVE
DiSCHaRGE
BULK STORAGE TANK
inaCTiVE
PiLOT
HanDLE aSSEMBLy