Parr Instrument 4700 - Manual (Page 14)

General Purpose Pressure Vessels
P a r r I n s t r u m e n t C o m p a n y 14
Series 4740
Model Size Head Style
4740 75 mL “A” Socket
4742 22 mL “A” Socket
Working Limits***
Maximum Working Pressure** (T316SS)
8500 psi (586 bar) @ 350 °C
1850 psi (124 bar) @ 600 °C
Maximum Working Temperature 600 °C
***See Manual No. 294M for more information.
Recommended Bolt Torque:
PTFE or Flexible Graphite
8500 PSI 15 ft - lbs
*For special material vessels add material code for head, cylinder or internal fittings per page 12.
**Required for max work pressure 5700 psi at 600 °C temp. for vessel of T316SS
Part No. Description Flat Gasket Seal
1827HC Head , "A" Socket opening
A1828HC Cylinder, 75 mL, w/ A33HD2 screw cap
A1828HC2 Cylinder, 22 mL, w/ A33HD2 screw cap
1829HCKL Gasket, Flexible Graphite
1826HC Compression Ring
A33HD2 Screw cap with cap screws, alloy steel
33HDF2 Cap screw for above (6 required)
A33HD2CH** Screw Cap, Hastelloy C
40HD
Pyrex Liner, 75 mL
1826HC
COMPRESSION RING
GASKET, GRAFOIL
1829HCKL
1827HC HEAD
SCREW CAP
A33HD2
COMPRESSION BOLTS
(6) 33HDF2
A1828HC (4740)
CYLINDER, 75mL
A1828HC2 (4742)
CYLINDER, 25mL