KBP Series Regulators
Maintenance Instructions
Kit Contents
Seat retainer
Seat
Retainer seal
0 to 250 psig (0 to 17.2 bar) and
0 to 500 psig (0 to 34.4 bar) kits
contain 2 diaphragms.
All other kits contain 1.
Diaphragm
Lubricant (with MSDS)
Tools Required
Tool
Size
Component
Socket
5/8 in.
Seat Retainer
Crow’s foot
2 in.
Cap ring
Torque wrench
capable of
13.0 ft·lb (17.5 N·m, 1.8 m·kg)
Seat retainer
capable of
129 ft·lb (175 N·m, 17.9 m·kg)
Cap ring
WARNING
Before removing a regulator from the system
for service, you must
• depressurize system
• purge the system to remove any residual
system media left in the regulator.
Disassembly
1. Turn
handle
counterclockwise until it stops.
2. Loosen
cap ring
.
3. Remove
cap assembly
and
handle
as one piece and
set aside for later use.
Note: In 0 to 500 psig regulators, the
range spring
and
spring button
may fall from the cap assembly when
lifted. Set aside for later use.
Cap assembly / handle
0 to 500 psig
regulators
Range spring
Spring button
Handle
Cap ring