Ashcroft All-welded Diaphragm Seal, 510/511
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510/511 All-Welded Diaphragm Seal

Brand: Ashcroft Inc

The Ashcroft 510 and 511 compact, all-welded 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 or the potential to clog an instrument connection. 

An ideal selection for applications when space and safety are stressed.
Features
  • Compact size 
  • Light weight 
  • All-welded design 
  • 1,500 psi rating standard, 10,000 psi rating optional 
  • Continuous duty design 
  • Minimized fill volume 
  • Male connections eliminate adapters/fittings 
  • Available flushing connection (Type 511) 
  • Dual inch and metric wrench flats 

Process Connection Size

Process Connection Size

Seal Type

Seal Type

Diaphragm Material

Diaphragm Material

Bottom Housing Material

Bottom Housing Material

Instrument Connection Size

Instrument Connection Size

Fill Fluid

Fill Fluid
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Optional Features

Optional Features
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Part Number / SKU

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  • Process Connection Size

    1/2” Male NPT

  • Seal Type

    All-welded Threaded Compact Seal, with no Flushing Port

  • Diaphragm Material

    316L Stainless Steel

  • Bottom Housing Material

    316L Stainless Steel

  • Instrument Connection Size

    1/2” Female NPT

  • Fill Fluid

    Glycerin Direct Mounted, -18° to 204° C (0° to 400° F)

Specifications

Brand

Pressure Rating

  • psi: 10,000 (kPa: 68,950, bar: 689) at 37.7° C (100° F) - Typical 510
  • Vacuum to psi: 5,000 (kPa: 34,500, bar: 345) at 37.7° C (100° F) - Typical 511

Mounting

  • Direct Mounting

Special Cleaning & Packaging

  • Cleaned for Oxygen Service

Fill Material

  • Glycerin: -18° to 204° C (0° to 400° F)
  • Halocarbon -56° to 149° C (-70° to 300° F)
  • Silicone -40° to 315° C (-40° to 600° F)
  • Syltherm 800: -40° to 400° C (-40° to 750° F)

Approvals & Certifications

  • CRN - Canadian Registration Number
  • Positive Material Identification (PMI)

NACE & NIST

  • NACE

Enclosure, Body Material

  • 316L Stainless Steel
  • Hastelloy C-276
  • Monel 400

Diaphragm Material

  • 316L Stainless Steel
  • Hastelloy C-276
  • Monel 400

NPT Connection

  • 1/2" NPT Female
  • 1/2" NPT Male

Accuracy

  • Seal Will Add 0.5 % Typical to the Stated Full Scale Accuracy of the Instrument Attached

  • Biogas & Biodiesel
  • Chemical & Petrochemical
  • Controlling Fugitive Emissions
  • Corrossive Processes
  • Elevated Process Temperatures
  • NACE Compliant Processes (Sour Gas Separation)
  • Oil & Gas Applications
  • Oil & Gas Fracking
  • Refineries (Hydroflouric/Sulfuric Alkalines)
  • Suspended Solids
  • Water & Wastewater

Documentation

Data Sheets

Industry Brochures

Installation & Maintenance

Product Information

Selection Guides

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