
Bulletin 71.2:EZH and EZHSO
6
Figure 3. Type EZHSO (Spring-to-Open Version) Operational Schematic
TYPE EZHSO
TYPE PRX/120
TYPE SA/2
M
V
R
L
S
B
A
PILOT BLEED
RESTRICTION
CHECK VALVE
PILOT LOWER
DIAPHRAGM
PILOT DISK
FILTER
REGULATOR ACTUATOR
DIAPHRAGM
MAIN VALVE
DISK (PLUG)
INLET PRESSURE
LOADING PRESSURE
PILOT SUPPLY PRESSURE
OUTLET PRESSURE
ATMOSPHERIC PRESSURE
TYPE PRX:
S - BLEED PORT
B - SUPPLY PORT
L - LOADING PORT
A - SENSING PORT
TYPE SA/2:
V - SENSING PORT
R - PILOT SUPPLY PORT
M - INLET PORT
Figure 2. Type EZH (Spring-to-Close Version) Operational Schematic
E0873
TYPE EZH
PILOT UPPER
DIAPHRAGM
PILOT DISK
PILOT CONTROL
SPRING
TYPE PRX
A
B
S
L
PILOT
LOWER
DIAPHRAGM
REGULATOR
ACTUATOR
DIAPHRAGM
MAIN VALVE
DISK (PLUG)
V
R
M
FILTER
PILOT BLEED
RESTRICTION
CHECK VALVE
INLET PRESSURE
LOADING PRESSURE
PILOT SUPPLY PRESSURE
OUTLET PRESSURE
ATMOSPHERIC PRESSURE
TYPE PRX:
S - BLEED PORT
B - SUPPLY PORT
L - LOADING PORT
A - SENSING PORT
TYPE SA/2:
V - SENSING PORT
R - PILOT SUPPLY PORT
M - INLET PORT
M1011
Komentarze do niniejszej Instrukcji