
Index: E / 923-1494
Type B1S/B2S Bourdon Tube Pressure SwitchesType B1S/B2S
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
Adjustment ranges
4.8 ... 950 bar
Applications
Pump control,
Die-casting machines,
Press control,
Power plants,
Alarm functions
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:IP00
Housing:Without housing for installation
Process connection:1/4" NPT female thread except
Electrical connection:Lead wire PVC 1.5 mm
Connection Chart
Pressure range
code
12SS4.8 ... 823.4 ... 8190.100.0.96.1.86.
32SS13.7 ... 22011.0 ... 217250.280.2.68.5.44.
48SS22.4 ... 33016.5 ... 325370.415.2.75.5.90.
65SS*30.3 ... 44822.5 ... 440500.560.3.58.7.92.
120SS*79.3 ... 82741.4 ... 790850.103516.90.37.90.
180SS*79.3 ... 95041.4 ... 950999.138016.90.37.90.
Stainless steel 1.4401
Stainless steel 1.4401
in control panels:
ranges marked with *). These
switches have proof pressures
above 500 bar and are provided
with high pressure thread with
adapter "G1/4 female".
2
length appr. 450 mm
Adjustment range [bar]Max. operating
Increasing press.Decreasing press.(short term)H, GH [bar]M, GM [bar]
,
Electrical ratings and
hysteresis:
Weight:B1S-...: approx. 0.6 kg
Set point adjustment:Turn the adjustment screw
Intrinsically safe:The switches are designed for
Approval:---
pressure [bar]
Test pressure
[bar]
A large variety of micro switches
offers different electrical ratings
and hysteresis for many
applications.
B2S-...: approx. 0.7 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
Max. hysteresis of switch types in
bar (end of range)
Barksdale
Subject to technical changes.
1