Scion Instruments 436-GC Service Manual page 179

436-GC/456-GC 780 Vici valves
Manual controlled Sampling Valves
Special PN
Purged head Sampling Valves (suffix –PH)
Hasteloy C Sampling Valves (suffix –HC)
NOTE: Hastelloy C and Purged Head Valves use the same Air
actuator and rotor material as standard valves
SCION Instruments Page: 178
436-GC/456-GC Service Manual Revision B February 2019