10.
11. Test for set pressure.
12. To adjust set pressure, relieve system
pressure and loosen
lock nut
.
∙
To increase set pressure,
tighten
cap
as needed.
∙
To decrease set pressure,
loosen
cap
as needed.
13. Repeat steps 10 through 12 as
necessary to obtain desired set
pressure.
14.
15.
Lock nut
Cap
Tighten
against
cap
Lock nut
Tighten to
100 in.·lb.
(11.3 N·m.)
Body
Lockwire
Cap
Lead seal
1. Follow steps 1 through 4 in the Spring
Installation section. Springs A, B, or C
can be reused in step 3.
2.
3.
4.
Plug
Pull rod
Spring
Rest on
bonnet
Cap
Bonnet
Manual Override Conversion
Red handle
Manual Override Kit
R3A Series Externally Adjustable
Relief Valves Maintenance
Instructions
Spring Installation
1.
2.
3.
Lock nut
Loosen
Cap
Loosen
Cap
Bonnet
A Swagelok Pre-Engineered Subsystem Fast Loop Module
31
