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Ashcroft Type 300 Series Diaphragm Seals Clamped

Type 300 Clamped

  • Broad selection of materials for meeting various service applications, including Teflon, Viton and Kalrez diaphragms.
  • Elastomeric diaphragm is clamped securely between the top and bottom housings by clamp rings, assuring positive seal.
  • Top housing is contoured to match diaphragm, minimizing distortion of the diaphragm should the pressure instrument be removed.
  • Continuous duty.
  • Fill/bleed connection is standard.
  • Top housing and diaphragm are nonremovable.
  • Teflon, Viton and Kalrez diaphragms available in threaded and flanged inlet connection

Model Index for Diaphragm Seals

Type 300

Bonded Viton, Kalrez and Teflon

The diaphragm is bonded permanently to the top housing and is the removable type

Type 301

Threaded with Flushing Connection

The diaphragm seal connects directly to the process by means of a female NPT thread

Type 302

Raised Face Flanged

The diaphragm seal is attached to the process by means of a flange as specified in ASME B16.5

Type 303

Raised Face Flanges

The diaphragm seal is attached to the process by means of a flange as specified in ASME B16.5