This file introduces the basic information of D Barksdale 28 series mechanical single/dual pressure switch, including product features, applicable range, working temperature, weight, etc.
The Barksdale B1T and B2T series are mechanical single/dual pressure switches that use a stainless‑steel Bourdon tube. All welded parts are wetted, providing direct‑acting operation with high accuracy and repeatability of ±1 % at constant temperature.
The switches are designed for a wide range of industrial applications such as pump control, die‑casting machines, press control and power plants. They feature IP65 protection, intrinsically safe ratings (Umax = 28 V, Imax = 50 mA), and various electrical connection options including WAGO terminals and PG13.5 cable glands.
| Weight | ≈ 1.1 kg (B1T) / ≈ 1.2 kg (B2T) |
|---|---|
| Switching rate | max 20 switches/min |
| Operating temperature range | 40 °C … 475 °C |
| Protection class | IP65 |
They are rated IP65, providing protection against dust and water jets.
The switches can operate at up to 20 cycles per minute.