310-315 Mini-Diaphragm Seals

The Ashcroft® 310 and 315 mini-diaphragm seals or isolation devices protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibits high temperature, 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 diaphragm and lower housing materials
  • Pressure rated up to 172 bar at 38 °C
  • Volumetric displacement allows attachment to:
    3 1/2″ gauges (0 … 4 bar to 0 … 60 bar)
    Transducers and switches
Specifications:
  • Style:
    Type 310: threaded
    Type 315: threaded with flushing port
  • Process size:
    Type 310: 1/4″ and 1/2″ NPT female and male
    Type 315: 1/4″ and 1/2″ NPT female

The 310 and 315 mini-diaphragm seals are ideal where corrosion protection and limited-spacing are essential.

Process Market:
  • Oil and Gas
  • Chemical and Petrochemical
Industrial Markets:
  • Engineered Systems (Instrument Skids)
  • Heavy Vehicles
  • CRN
  • GOST
  • NACE
 

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Tools

  • Distributor Locator

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  • Materials Selector

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

    Need to convert measurement units? Check out our quick and easy approach to pressure, temperature and flow unit conversions.

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