Pressure Vessels Selection Guide

Need help picking out a pressure vessel? Visit our new Pressure Vessels Selection Guide.

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Parr Instrument Company 211 Fifty Third Street
Moline, Illinois 61265-1770
(800) 872-7720 or
(309) 762-7716
Fax: (309) 762-9453

Series 4661-4666 General Purpose Vessels, 1-2 Gallon

Series 4660 Ordering Guide

This series is available in two volumes, each with a choice of head styles and comes standard with a flat PTFE gasket, a split-ring closure with ten cap screws.

Click on the selections below to develop a composite identification number which may be used to request a quote or to order a 4660 Vessel.

Please note that all options and combinations are not compatible with all models.

ASeries 4660 Base Model, 6″ Inside Diameter
Part No. Size, L Head Style
4661 3.75 One Opening, size TBD
4662 3.75 Two valves, rupture disc, gage, and thermowell
4665 7.5 One Opening, size TBD
4666 7.5 Two valves, rupture disc, gage, and thermowell
BConfiguration Options
-No symbol Standard configuration, Moveable Head, 350 °C Rating
-FH Fixed Head Vessel
CGasket / Maximum Temperature
-T PTFE Gasket, 350 °C
-Q FKM O-ring, 225 °C
-QQ FFKM O-ring, 275 °C
DMaterial of Construction
-SS T316 Stainless Steel
-MO Alloy 400
-NI Nickel 200
-IN Alloy 600
-HC Alloy C-276
EAvailable Certification
-No Symbol None
-ASME American Society of Mechanical Engineers
-CE-PED European Pressure Directive
-CH China Certification
-P Parr Test Certificate

Please note that all options and combinations are not compatible with all models.

If you do not find the pressure, temperature, volume, or options you are looking for here, let us customize a system for you.

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