
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
26
Series 4660
Model
Size
Head Style
4661
3.78 L
One opening, TBD
4662
3.78 L
VGR, thermowell
4665
7.99 L
One opening, TBD
4666
7.99 L
VGR, thermowell
Working Limits
Maximum Working Pressure
(T316SS)
1900 psi (131 bar)
Maximum Working Temperature
with PTFE
350 °C
Part No.
Description Flat Gasket Seal
657HC103
Head, VGR (two valves) & thermowell
657HC100
Head, one 1/4” NPT opening
660HC
Cylinder, 7.99 L (2 gal), 17.2” deep
660HC6
Cylinder, 3.78 L (1 gal), 8.62" deep
655HC
Gasket, PTFE (6” ID)
655HC3KL
Gasket, Flexible Graphite (6” ID)
659HC
Compression Ring
A754HC
Split Ring with compression bolts
754HCFDE
Compression Bolts (10 required)
48HC
Thermowell gasket, silver
48HCCN
Thermowell gasket, nickel
48HCFG
Thermowell gasket, gold plated
265HC4
Thermowell, 8" deep
A935HC
Thermowell, 16.68" deep
A472E6
Thermocouple, 15-1/2”, 1 G
A472E5
Thermocouple, 21-1/2”, 2 G
56HCPD
Pressure gauge, 4-1/2", 0-1000 psi
56HCPF
Pressure gauge, 4-1/2", 0-2000 psi
56HCPG
Pressure gauge, 4-1/2", 0-3000 psi
A131VB
Angle Valve, 1/4" NPT (M)
A129VB
Valve, Straight, 1/4” NPT(M) X 1/4”T
A147VB
Valve, Straight, 1/4” NPT(M)
658HC
Valve Extension
208HC15
Gage Adapter, (2) 1/4” NPTF
94CA
Plug, Hex Head 1/4” NPT, Brass
686HC
Dip Tube, 1 G
686HC3
Dip Tube, 2 G
A92HWAD
Connector for Dip Tube
A707HC2
Rupture Disc Assembly (Manual 231M)
708HCP10CT Rupture disc, Inconel, 1000 psi
708HCP20CT Rupture disc, Inconel, 2000 psi
708HCP30CT Rupture disc, Inconel, 3000 psi
2587HC
Head/Cylinder Service Fixture
894HC
Pyrex Liner, 1 G
894HC2
Pyrex Liner, 2 G
894HC4HA
PTFE Liner, 1 G
894HC5HA
PTFE Liner, 2 G
Note:
For special material vessels add material code
for head, cylinder and/or internal fittings per page 12.
Recommended Bolt Torque:
PTFE Gasket
25 ft - lbs
Flexible Graphite
35 ft - lbs
THERMOWELL, 1 GAL
A935HC
THERMOCOUPLE, 1 GAL
A472E5
48HC SERIES GASKET
NOT SHOWN:
THERMOWELL, 2 GAL
GAGE ADAPTER
208HC15
A707HC2
265HC4
686HC3 DIP TUBE, 2 GAL
(OPTIONAL)
(OPTIONAL)
A92HWAD MALE CONNECTOR
94CA
686HC DIP TUBE, 1 GAL
PLUG
SERIES R/D
708HCP
R/D HOLDER ASSY
A472E6
THERMOCOUPLE, 2 GAL
209HC4
ADAPTER BUSHING
659HC
COMPRESSION RING
ADAPTER
420HC2
657HC103
HEAD
CYLINDER, 2 GAL
660HC6
ANGLE VALVE
A131VB
GASKET
655HC
A131VB
ANGLE VALVE
ADAPTER, VALVE
658HC
SPLIT RING ASSY
A754HC
660HC
CYLINDER, 1 GAL
658HC
ADAPTER, VALVE