Models M932.25, M933.25

Assembled diaphragm seal

For sanitary applications

Selected documents
Sales contact




  • Pharmaceutical Industry
  • Biotechnology
  • Food & Beverage

Special Features

  • 3/4" Tri Clamp® connection
  • Flush welded diaphargm
  • Sanitary documentation standard


External, flush diaphragm with Tri-Clamp connection, requires hydraulic fluid to transmit pressure to instrument. Unit is autoclaveable when dry case and polysulfone window are specified.

Process Connection
¾" Tri-Clamp

Pressure Ranges
1,500 psi maximum, limited by installation clamp rating

Operating Temperature
Media: +10°F to 100°C (standard)
(>100°C available - consult factory)

Ambient: +10°C to +60°C


Gauge Size
2½", lower mount

Accuracy (Ref. 73°F)
±2/1/2% full span (ASME B40.100, Grade A)

Wetted Parts
316L SS, electropolished

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

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

Serial Number
Engraved on back of case

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