Models M932.3A, M933.3A

Assembled diaphragm seal

For sanitary applications

Selected documents
Sales contact

WIKA USA

Tel.:
1-888-945-2872
Fax:
1-770-338-5118
info@wika.com

Applications

  • Food & Beverage
  • Pharmaceutical Industry
  • Biotechnology

Special Features

  • 1 1/2" to 4" Sanitary connections
  • Tri clamp®, Cherry Burrell®, other
  • Sanitary documentation standard
  • B40.100 & EN 837-1

Description

Design
All-welded construction in full compliance with ‘3A’ third party standards and meets the most rigorous biopharmaceutical industry specifications. This assembly has all the advantages of the 23X.50 series mechanical gauge (ASME B40.100 & EN 837-1) and WIKA combines it with a superior designed sanitary diaphragm seal. All external stainless steel surfaces are electropolished and the wetted components have full material identification and traceability. The diaphragm and its body have matching convolution patterns to greatly reduce potential diaphragm damage due to mishandling and to minimize temperature effects.

Gauge Nominal Size
2-1/2" or 4" – Lower and Back Mount

Process Connection
1-1/2" to 4" Tri-Clamp® (‘3A’ third party compliant)

Pressure Range
Vacuum and 0 to 15 psi up to 0 to 1000 psi, includes compound ranges (maximum working pressure is limited by installation clamp rating). Clamp provided by customer.

Operating Temperature
Ambient: +25°F to +140°F (-4°C to +60°C) – dry or glycerine filled case

Process: +25°F to +300°F (-4°C to +149°C)

Autoclave: 300°F for one hour (polysulfone window and dry case w/weep holes)

Accuracy (Ref.@ 73°F)
2-1/2": ±2/1/2% of span
4": ±1.0% of span

System Fill (FDA compliant)
Glycerine, KN 7 - Non-vacuum application
Mineral Oil, KN 92 - Vacuum application

Wetted Material
316L stainless steel electropolished

Weather Protection
Weather tight to NEMA 4X / IP65 (without optional autoclave weep holes)

Serial Number and Part Number
Engraved in case of gauge

Material Identification and Heat Numbers
Engraved in seal body or gauge case

Documentation
Calibration Conformance Report supplied with each assembly (not a direct substitute for NIST certificate). Material Conformance documents supplied with each assembly (not a substitute for 3.1 EN 10204 material certificate).

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