User Guide
50-60 Hanover Road, Florham Park, New Jersey 07932
ASCO Valves
Page 3 of 4Form No.V6493R3
core
(small end up)
plugnut
solenoid base gasket
adapter
disc holder spring
adapter gasket
solenoid base
sub-assembly
assembly
valve seat
body gasket
disc
snubber
piston
bonnet screw (6)
valve bonnet
valve body
piston spring
piston assembly
lip seal
bleed gasket
bleed washer
flow control
(see note)
support
Note:
Concave end of flow control to
face valve bonnet.
disc holder
assembly
Indicates Parts Supplied
In ASCO Rebuild Kits
Part
Torque Value
In-lbs
Torque Value
Nm
solenoid base
sub-assembly
and adapter
Torque Chart
valve seat
bonnet screws
175 25
65 15
144 15
19,8 2,8
7,3 1,7
16,3 1,7
±
±
±±
±
±
Name
Special Wrench Adapter
For Solenoid Base
Sub- Assembly
(Order Kit No. K218950)
1 1/2 NPT valve shown
Figure 1. Series 8221 valve without solenoid, 1, 1 1/4 or 1 1/2 NPT, construction shown.