Models 981.22, 981.52, 981.53

In-line diaphragm seal with sterile connection

With clamp connection (Tri-clamp)

Selected documents
Sales contact

WIKA Instrumentation Taiwan Ltd.

Tel.:
+886 3 420 6052
Fax:
+886 3 490 0080
info@wika.com.tw

Applications

  • Sanitary applications
  • Gases, compressed air, vapour; liquid, powdery and crystallising media
  • For flowing, pure media
  • Ultra-pure steam systems
  • Pressure/vacuum monitoring, e.g. filter monitoring

Special Features

  • For direct, quickly removable installation in pipelines
  • Self-draining in all mounting positions
  • Quick cleaning, without residue
  • Suitable for SIP and CIP
  • Dead-space free installation in pipes

Description

Diaphragm seals are used for the protection of pressure measuring instruments in applications with difficult media. In diaphragm seal systems, the diaphragm of the diaphragm seal effects the separation of the instrument and the medium.

The pressure is transmitted to the measuring instrument via the system fill fluid which is inside the diaphragm seal system.

For the implementation of demanding customer applications, there is a wide variety of designs, materials and system fill fluids available.

For further technical information on diaphragm seals and diaphragm seal systems see IN 00.06 "Application, operating principle, designs".

The model 981.22, 981.52 and 981.53 in-line diaphragm seals are suitable for use in the measurement of flowing media. In addition to avoiding potential blockages in the process, inline measurement technology also contributes to

The diaphragm seal systems can withstand the cleaning vapour temperatures occurring in the SIP processes and thus ensure a sterile connection between the medium to be measured and the diaphragm seal.

Assembly of the diaphragm seal and measuring instrument is made via a direct assembly as standard or optionally via a cooling element or a flexible capillary.

For the material selection WIKA offers a variety of solutions, in which the upper body and the diaphragm are made of identical materials. Stainless steel 316L (1.4435) is used as standard material, other special materials are available on request.

Measuring systems with model 981.22, 981.52 and 981.53 WIKA diaphragm seals are successfully used in the life science industry, in food production, pharmaceutical and biotechnology applications.

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