137
P a r r I n s t r u m e n t C o m p a n y
1 - 8 0 0 - 8 7 2 - 7 7 2 0
6
N o n - S t i r r e d P r e s s u r e V e s s e l s
Series xxxx Pressure Vessels
Series 4660 General Purpose Vessels: 1 & 2 Gallon
Series 4660 Pressure Vessel Specifications
Shaded bar indicates specifications that change within series.
Model Number
4661*
4662*
4665*
4666 *
Sizes, Gallon (Liter)
1 (3.75)
2 (7.5)
Maximum Pressure
1900 psi (130 bar)
Maximum Temperature
with FKM O-Ring
225 °C
with PTFE Flat Gasket
350 °C
Closure
Split-Ring (10 Cap Screws)
Gasket
Flat - PTFE
Vessel Dimensions
Inside Diameter, inches
6.0
Inside Depth, inches
8.6
17.2
Weight of Vessel, pounds
75
80
85
90
Head Style
Opening
Rupture Disc Only
VGR
Rupture Disc Only
VGR
Thermowell
No
Yes
No
Yes
Heater (Calrod)
For Moveable Head: Model / Wattage
4928 / 2250
4929 / 2750
For Fixed Head: Model / Wattage
4971 / 2250
4972 / 2750
Mounting
Moveable Floor Stand or Fixed Head Stand
Maximum Head Openings
12
* Add the following suffixes to these model numbers to specify vessels with the described features:
No suffix: Moveable Head
Q: Add the suffix Q to specify vessels with an O-Ring seal and a split ring pair without cap screws (Not available on HP Vessels)
FH: Add the suffix FH to specify a Fixed Head design.
4661-4666 Cross Section
4661Q-4666Q Cross Section
Model 4662, 1 Gallon Vessel, in 4929 Heater with
4848 Process Controller.
Model 4666, 2 Gallon Vessel, Fixed Head
Floor Stand, with a Welded Jacket.
