4
Swagelok — TM Swagelok Company
© 2010, 2015 Swagelok Company
October 2015, R1
MS-CRD-0134
For additional information, see
www.swagelok.com
.
Reassembly
NOTICE
Ensure all parts and tools are free of debris or
damage.
8. Insert the
retainer seal
into the
seat retainer
with the
groove facing away. Insert the
seat
into the seat retainer.
9. Invert the body and thread the
seat assembly
into the
body
.
10. Tighten the
seat assembly
to 11.2 ft·lb (15.2 N·m,
1.6 m·kg).
11. Place the
piston seal
onto the
piston
.
12. Place the
piston assembly
into the
body
until it seats
against the seat retainer.
NOTICE
Do not damage the piston seal. Leakage could
result.
13. Reinsert the
range spring
into the
cap assembly
with the
painted spring end visible if necessary.
14. Thread the cap assembly
into the body and tighten the
body cap
to 25 ft·lb (34 N·m, 3.5 m·kg).
15. Test the regulator for proper operation.
16. If using an antitamper nut, thread the antitamper nut onto
the stem after the set outlet pressure is reached. Tighten
the nut to 13.0 ft·lb (17.5 N·m, 1.8 m·kg).
Body cap
Seat
Seat retainer
Retainer seal
Groove
Seat assembly
Body
Piston assembly
Body
Range spring
Cap assembly
Piston seal
Piston
Threads only