Parr Instrument - page 236

134 P a r r I n s t r u m e n t C o m p a n y
w w w . p a r r i n s t . c o m
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
These 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.