Pressure Vessels Selection Guide

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

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Contact us to place an order or inquire about any of our products and services.

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

Series 4750-4755 General Purpose Vessels, 125-200 mL

Series 4750 Ordering Guide

This series comes in two volumes, each with 1.5″ I.D., a choice of head styles, a flat PTFE gasket, and four different alloys.

Click on the selections below to develop a composite identification number which may be used to request a quote or to order a 4750 Vessel.

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

ASeries 4750 Base Model, 1.5″ Inside Diameter
  Part No. Size, mL Head Style
4750 125 One Opening, 1/8″ NPT with plug
4751 125 One “A” Socket
4754 125 “A” Socket and Thermocouple
4752 200 One Opening, 1/8″ NPT with plug
4753 200 One “A” Socket
4755 200 “A” Socket and Thermocouple
BMaterial of Construction
-SS T316 Stainless Steel
-MO Alloy 400
-TI Titanium
-HC Alloy C-276
CGage Block Assemblies for “A” Socket
  Part No. Gage Diameter, inch Range, psi
-4316 3-1/2 0-1000
-4316 3-1/2 0-2000
-4316 3-1/2 0-3000
-4316 4-1/2 0-1000
-4316 4-1/2 0-2000
-4316 4-1/2 0-3000
-4316 4-1/2 0-10000
-XX 0-100, 200, or 600 psi with relief valve available for above
-XXX Thermocouple in gage block
DAvailable Certification
-No Symbol None
-ASME American Society of Mechanical Engineers
-CE-PED European Pressure Directive
-CH China Certification
-Parr 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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