Ashcroft In-line Diaphragm Seals

  • 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 104

In-line Threaded Process Connection
Threaded diaphragm seal connects directly to the process by means of a female NPT thread

Type 204

In-line Threaded Process Connection
The welded or bonded diaphragm seal connects directly to the process by means of a female NPT thread

Type 105

Saddle Weld On
Threaded diaphragm seals for flow thru applications

Type 205

Saddle Weld On
Various Types of welded-in diaphragm seals for flow thru applications

Type 106

In-line Flanged Process Connection
The threaded diaphragm seal is attached to the process by means of a flange as specified in ASME B16.5

Type 206

In-line Flanged Process Connection
The welded or bonded diaphragm seal is attached to the process by means of a flange as specified in ASME B16.5

Type 107

In-line Socket Weld
Threaded diaphragm seals for flow thru applications

Type 207

In-line Socket Weld
Various Types of welded-bonded diaphragm seals for flow thru applications

Type 108

In-line Butt Weld Process Connection
Threaded diaphragm seals for flow thru applications

Type 208

In-line Butt Weld Process Connection
Various Types of welded-in diaphragm seals for flow thru applications

Type 320

320 In-Line Quick Connect
Compatible with Tri-Clover® and Cherry Burrell® S line - All-welded connections