50-60 Hanover Road, Florham Park, New Jersey 07932
ASCO Valves
Page 4 of 4 Form No.V6489R1
Torque Chart
Part Name Torque Value In-lbs Torque Value Nm
solenoid base sub-assembly 175 ± 25 19,8 ± 2,8
bonnet screws 95 ± 10 10,7 ± 1,1
piston spring
piston assembly
lip seal
support
body gasket
pilot gasket
bonnet screws (4)
valve bonnet
piston
snubber
disc
bleed gasket
flow control
(see note)
valve body
solenoid base
sub-assembly
core spring
core assembly
solenoid base gasket
WARNING: To prevent the
possibility of personal injury or
property damage, the valve bonnet
and valve body must be in proper
alignment. When assembling , be
sure that either the letters MB (if
present) on the valve bonnet line up
with IN on the valve body, or that the
word OUT (where applicable) lines
up with OUT on the valve body.
Both MB and the word OUT may be
present on the same valve bonnet.
Indicates Parts Supplied
In ASCO Rebuild Kits
Note:
Concave end of flow control
to face valve bonnet.
Figure 2. Series 8221 valve without solenoid, DC construction shown.
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