
Bulletin 74.1:Y693
3
Figure 2. Type Y693 Regulator Construction Features
ALUMINUM LOWER CASING VERSION
STEEL OR STAINLESS STEEL LOWER CASING VERSION
W6240-1
VENT
LOWER
CASING
CLOSING CAP
ADJUSTING SCREW
CONTROL SPRING
SPRING CASE
DIAPHRAGM
ORIFICE
SOFT DISK
W6239-1
VENT
LOWER
CASING
CLOSING CAP
ADJUSTING SCREW
CONTROL SPRING
SPRING CASE
DIAPHRAGM
ORIFICE
SOFT DISK
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