General Purpose Pressure Vessels
www.parrinst.com
15
Note: For special material vessels add material code for head, cylinder and/or internal fittings per page 12.
Series 4750
Model Size Head Style
4750 125 mL One opening, TBD
4751 125 mL “A” Socket
4752 200 mL One opening, TBD
4753 200 mL “A” Socket
4754 125 mL “A” Socket & 1/8” NPT
with thermocouple
4755 200 mL “A” Socket & 1/8” NPT
with thermocouple
Working Limits
Maximum Working Pressure (T316SS)
3000 psi (207 bar)@ 350 °C
[200 bar for CE orders]
Maximum Working Temperature 350 °C
Recommended Bolt Torque:
PTFE or Flexible Graphite
15 ft - lbs max
Part No. Description Flat Gasket Seal
428HC3 Head, "A" socket opening
428HC9 Head, two 1/8" NPT
428HC11 Head, "A" socket & 1/8" NPT
428HC22 Head, "A" socket & 1/8" NPT
for thermowell
425HC Cylinder, 125 mL, 4.44" deep
425HC3 Cylinder, 200 mL, 6.94" deep
429HC2 Gasket, PTFE
429HC2KL Gasket, Flexible Graphite
430HC Compression Ring
A431HC Split ring, pair, with cap screws
232HCFDE Cap Screw for above (6 required)
A432HC Drop band with set screw
456HCF2 Set screw for above
A833HC Male Connector for thermocouple
A472E Thermocouple, 7-1/2”, SS
A472E2 Thermocouple, 9-1/2”, SS
A138CA Male Connector for thermowell
A1453HC Thermowell
2920HC4HA PTFE liner, 125 mL
2920HC2 Pyrex liner, 125 mL
2920HC3HA PTFE liner, 200 mL
2920HC3 Pyrex liner, 200 mL
428HC SERIES HEAD
430HC COMPRESSION RING
A431HC SPLIT RING ASSY
429HC2 GASKET
A432HC DROP BAND W/SCREW
A833HC MALE CONNECTOR
425HC CYLINDER, 125mL
425HC3 CYLINDER, 200mL
A472E THERMOCOUPLE, 125mL
A472E2 THERMOCOUPLE, 200mL
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