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WIKA

981.51 In-Line Diaphragm Seal

The WIKA 981.51 in-line diaphragm seal with aseptic connection per DIN 11864 can be mounted directly into the pipeline, meaning no special measuring point connection is required. Through the integration into the process line, turbulences, dead spaces, corners and other obstructions can be avoided.

Prijs en bezorgtijd worden verstrekt op aanvraag
Type of process connection Aseptic connection per DIN 11864
Measuring ranges 0 ... 40 bar
Material Stainless steel 1.4435 (316L)
Surface roughness of wetted parts Ra ≤ 0.76 µm per ASME BPE SF3 (except for weld seam)
Level of cleanliness of wetted parts Oil and grease free per ASTM G93-03 level E (WIKA standard) and ISO 15001 (< 550 mg/m2)
Connection to the measuring instrument Axial weld-in connection

The WIKA 981.51 in-line diaphragm seal with aseptic connection per DIN 11864 can be mounted directly into the pipeline, meaning no special measuring point connection is required. Through the integration into the process line, turbulences, dead spaces, corners and other obstructions can be avoided. For this diaphragm seal, WIKA uses a completely round diaphragm, which, due to the unobstructed flow of the media, produces an automatic cleaning of the chamber. 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 main 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 WIKA 981.51 WIKA diaphragm seals are successfully used in the life science industry, in food production, pharmaceutical and biotechnology applications.

Datasheet WIKA 981.51 In-Line Diaphragm Seal Datasheet WIKA 981.51 In-Line Diaphragm Seal.pdf

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Bart de Haan

Managing Director

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