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differential pressure switch / bellows / for marine applications / for railway applications



  • Technology:

    differential, bellows

  • Applications:

    for marine applications, for railway applications

  • Other characteristics:

    stainless steel, compact, rugged, IP65

  • Process temperature:

    Min.: -40 °C (-40 °F)

    Max.: 125 °C (257 °F)

  • Pressure range:

    Min.: -0.6 bar (-8.7 psi)

    Max.: 40 bar (580.15 psi)


Picostat Pressure Switch PST4B 9B4
Measuring principle: Bellow
Applications: Shipbuilding; Engine manufacturing; Railways; Machine tools
Approval / conformity: ABS, BV, CCS, DNV-GL, GL, KRS, LRS,NKK, RINA, RMRS,
EN60730-1/ EN60730-2-6: Typ 2.B.H
Main features: Improved vibration resistance; Compact design; Rugged housing; Protection IP65; Any mounting position possible
Measuring range: -0.6 ... 3.4 to 4 ... 40 bar
-8 ... 45 to 60 ... 500 psi
The 9B4 of the Picostat series is based on our long lasting experience in the shipbuilding and railway sector. This further improved version offers high vibration resistance within a compact body and is suitable for a wide temperature range.
Data sheet:

Other Trafag AG products

Pressure switch