Data Sheet

Bulletin 71.1:CS200
6
INLET PRESSURE
OUTLET PRESSURE
ATMOSPHERIC PRESSURE
RELIEF VALVE STEM
CONTROL SPRING
RELIEF VALVE
SPRING
RELIEF SEAT
PRESSURE RETAINING
PLUG (DO NOT REMOVE)
VALVE STEM
SECONDARY SEAT™
DETAIL
INLET PRESSURE
OULET PRESSURE
ATMOSPHERIC PRESSURE
Type CS200IR Regulator with Relief
MXXXX
March 2008
Type CS200
Figure 4. CS200 Series with Secondary Seat Protection
M1132
SECONDARY SEAT DETAILED VIEW
4
CP200 Series with Secondary Seat
TM
Protection
CONTROL SPRING
RELIEF V LVE STEM
VALVE STEM
SECONDARY SEAT DETAIL
NORMAL OPERATION NORMAL LOCKUP DEBRIS OBSTRUCTING
LOCKUP
SECONDARY SEAT
LOCKUP
TYPE CS206
SECONDARY SEAT WITH
METAL TO METAL BLEED
SECONDARY ORIFICE
SEATING SURFACE
PRIMARY DISK
PRIMARY ORIFICE
SEATING SURFACE
SECONDARY SEATING
SURFACE