CS800 Series
RELIEF VALVE STEM CONTROL SPRING
RELIEF VALVE SPRING
VALVE STEM
SECONDARY SEATTM DETAIL
RELIEF SEAT
PRESSURE RETAINING PLUG (DO NOT REMOVE WHILE UNIT IS PRESSURIZED)
PRIMARY DISK
ELASTOMERIC SECONDARY SEATING SURFACE
PRIMARY ORIFICE SEATING SURFACE
NORMAL OPERATION SECONDARY SEATING SURFACE
NORMAL LOCKUP
DEBRIS OBSTRUCTING LOCKUP
SECONDARY SEATTM LOCKUP
SECONDARY SEATTM DETAILED VIEW
M1072
INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE
Figure 5. Type CS805IR with Secondary SeatTM Protection
8
METALLIC SECONDARY ORIFICE SEATING SURFACE
TYPE CS806 SECONDARY SEATTM WITH CONTROLLED BLEED