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Mechanical single/dual pressure switch
Repeatability ±1.0 % at constant temperature
Features
► Bourdon tube pressure switch
► All welded parts wetted
► Direct acting, no friction, high accuracy
► Approvals: Ex ia, Ex d, UL, CSA, SIL 2/3 (IEC 61508)
Adjustment ranges
5.3 ... 496 bar
Applications
Petrochemicals industry,
Process technology,
Shipbuilding technology,
Alarm applications
Index: G / 923-1500
B1X/B2X Bourdon Tube Press. Switches `B1X/B2X
Technical Data
Wetted parts:
Process connection:
Bourdon tube:
Repeatability:±1 % at constant temperature
Switching rate:max. 20/min
Temperature range:-40 °C... +75 °C
Protection class:IP65
Housing:Explosion proof housing, aluminum
Process connection:1/4" NPT female thread except
Electrical connection:Internal terminal strip (0.5 - 2.5
Electrical rating and
hysteresis:
Pressure Ranges
Pressure range
code
12SS5.3... 833.4... 81100.125.0.96.1.86.
20SS13.7... 13711.0... 134250.330.2.68.5.44.
32SS22.4... 22016.5... 215400.500.2.75.5.90.
72SS*79.3... 49641.4... 459600.950.16.90.37.90.
Increasing press.Decreasing press.(short term)H, GH [bar]M, GM [bar]
Stainless steel 1.4401
Stainless steel 1.4401
anodized and lacquered
ranges marked with*). These
switches have proof pressures
above 500 bar and are provided
with high pressure thread with
adapter G1/4'' IG.
2
mm
), approved cable gland has to
be provided by the customer
Many micro switch versions with
different switching powers and
hysteresis are applicable and make
it possible to make customized
changes.
Adjustment range [bar]
Max. operating
pressure [bar]
Weight:B1X-...: approx. 3.9 kg
Set point adjustment:Turn the adjustment screw
Intrinsically safe:The switches are designed for
Approval:Ex: Ex d II C T6 acc. to ATEX
Proof pressure
[bar]
B2X-...: approx. 3.9 kg
clockwise to decrease the set
point.
intrinsically safe applications.
Please add "Exi" to your ordering
details when placing an order. To
comply with the intrinsically safe
approval following max. ratings
must not be
exceeded:
Umax = 28 V Imax = 50 mA
cULus:
Class I, Groups B, C, D
Class II, Groups E, F , G acc.
to Underwriter Laboratories Inc.
and Canadian Standard Assn.
Max. hyst. of the different switches in
bar (end of range)
Barksdale
Subject to technical changes.
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