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P a r r I n s t r u m e n t C o m p a n y
Series 4600-4620 GP & HP Vessels: 1 & 2 Liters
Series 4600 - 4620 Pressure Vessel Specifications
Shaded bar indicates specifications that change within series.
General Purpose Vessels
Model Number
4601*
4611*
4621*
4602*
4612*
4622*
Sizes, mL
1000
2000
Maximum Pressure (MAWP)
1900 psi (130 bar)
Maximum Temperature
with FKM O-Ring
225 °C
with PTFE - Flat Gasket
350 °C
Vessel Dimensions
Inside Diameter, inches
4.0
High Pressure Vessels
Model Number
4601HP*
4611HP*
4621HP*
4602HP*
4612HP* 4622HP*
Sizes, mL
970
1900
Maximum Temperature / Maximum Pressure (MAWP)
with PTFE - Flat Gasket
350 °C / 2900 psi (200 bar)
with PTFE - Flat Gasket
300 °C / 3000 psi (200 bar)
Vessel Dimensions
Inside Diameter, inches
3.75
Common to these General Purpose and High Pressure Models
Closure
Split-Ring (No Cap Screws*) or Split-ring (6 Cap Screws)
Head Style
Opening
1/8" NPT w/plug
VGR & Thermowell
1/8" NPT w/plug
VGR & Thermowell
Thermowell
No
No
Yes
No
No
Yes
Vessel Style
Moveable, or Fixed Head on Bench Top
Maximum Head Openings
6-10
Heater (Calrod)
For Moveable Head: Model / Wattage
4914 / 1000
4913 / 1500
For Fixed Head: Model / Wattage
4941 / 1000
4942 / 1500
Vessel Dimensions
Inside Depth, inches
5.32
10.44
Weight of Vessel, pounds
19
27
* 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.
4621 Cross Section
T
hese vessels are avail-
able from Parr as either
a General Purpose or High
Pressure Vessel. Please note
that in the high pressure
version the maximum temp-
erature decreases with the
higher pressure.
