Pressure Vessels Selection Guide

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

Customer Service

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 4740-4742 High Pressure/High Temperature Pressure Vessels, 25-75 mL

Series 4740 Ordering Guide

This series comes in two volumes, each with a 1″ I.D., an alloy steel screw cap with six cap screws, a flat flexible graphite gasket, and an “A” Socket head style.

Click on the selections below to develop a composite identification number which may be used to request a quote or to order a 4740 Vessel.

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

ASeries 4740 Base Model, 1″ Inside Diameter
  Part No. Size, mL Head Style Material of Construction
4740 75 One “A” Socket T316 Stainless Steel*
4740CH 75 One “A” Socket Alloy C-276*
4742 25 One “A” Socket T316 Stainless Steel*
*Other Alloys available on request. Please call.
 
BMaterial of Construction
-SS T316 Stainless Steel
-MO Alloy 400
-NI Nickel 200
-IN Alloy 600
-HC Alloy C-276
 
CAvailable Options
-HCHS Alloy C-276 Screw Cap
 
DCertifications
-No Symbol None
-ASME American Society of Mechanical Engineers
-CE/PED European Pressure Directive
-CH China Certification
-P Parr Certification

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.

Contact Us