310-315 Mini-Diaphragm Seals

The Ashcroft® 310 and 315 mini-diaphragm seals protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibit pulsation and the potential for plugging or freeze-up. An ideal choice for limited space installations.

Key Features:
  • Compact and lightweight design
  • All-welded construction
  • Choice of diaphragm and lower housing materials
  • Pressure rated up to 2,500 psi at 100°F
  • Volumetric displacement allows attachment to: 3 1/2″ gauges (60 to 1,000 psi)
    transducers and switches

Process Market:
Oil and Gas
Chemical and Petrochemical

Industrial Markets:
Engineered Systems (Instrument Skids)
Hydrogen Systems

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. 

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Materials Selector

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

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Unit Converter

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

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Product Information

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

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