330 All-Welded Flush Mini Diaphragm Seal

The Ashcroft® 330 all-welded flush mini-diaphragm seal protects pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibit pulsation and a potential for plugging or freeze-up. An ideal choice for limited space applications.

Key Features:
  • Compact and lightweight design
  • All-welded construction
  • Flush diaphragm; eliminates clogging or process accumulation
  • Volumetric displacement; For use with 3 1/2″ pressure gauges or smaller (60 to 3,000 psi)
  • Pressure rated up to 3,000 psi
Applications:

Process Market:
Pulp and Paper
Chemical and Petrochemical

Medical & Life Sciences Market:
Pharmaceutical
Food and Beverage

Specifications

Certifications & Approvals

Data Sheets & Instruction Manuals

Drawings & Product/Technical Information

Resources & Tools

Min/Max Guide

IMPORTANT! When selecting a diaphragm seal or isolation ring, refer to the Min/Max Guide (PI page) for compatibility with this gauge. 

Learn More

Materials Selector

Use the selector to review compatible wetted materials and requirements of your application.

Learn More

Unit Converter

Need to convert measurement units? Check out our quick and easy tool to convert pressure, temperature and flow units of measure.

Learn More

Product Information

To learn more about the technical details for options available, review our product information (PI) pages.

Learn More

Take the Next Step

Contact Ashcroft

Ashcroft is a trusted source for pressure, temperature, and test instruments around the world. Learn more about how we can help you protect your people, processes, and profits.

Contact Us