Pressure Vessels Selection Guide

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Series 4651-4653 High Pressure/High Temperature Vessels, 250-1000 mL


Series 4650 Pressure Vessel Specifications
Shaded bar indicates specifications that change within series.
Model Number 4651(FH)* 4652(FH)* 4653
Sizes, mL 250 500 1000
Maximum Pressure @ 350 °C 6000 psi (410 bar)
Maximum Temperature 600 °C
Max. Pressure at Max. Temperature 4200 (290)
Closure Split-Ring (8 Cap Screws)
Gasket Flat – FG
Vessel Dimensions
Inside Diameter, inches 2.5
Inside Depth, inches 3.25 6.63 13.13
Weight of Vessel, pounds 30 36 48
Head Style


Valve, Gage, and Rupture Disc (VGR), Thermowell
Options Optional Valve and Dip Tube available
Mounting Bench Top with Moveable or Fixed Head Mounting Bench Top
Maximum Head Openings 6
*Add the following suffix to these model numbers to specify vessels with the described feature:
FH Fixed Head design
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