This document is a data sheet for a bourdon tube pressure gauge for diaphragm seals, the model is BH42, the maximum measuring range is DN100, the working temperature is 200 degrees Celsius, and the product features include reduced volume measuring element, small temperature error, stainless steel case and pressure element assembly.
This document is a technical datasheet for the Labom Type EL Bourdon tube pressure gauge, specifically the BH42 series. It is constructed for operation with diaphragm seals (Product Group D5) to minimize temperature errors caused by reduced-volume measuring elements.
The gauge features a high-quality stainless steel case (Mat.-No. 1.4301/304) and pressure element assembly (Mat.-No. 1.4571/316Ti). It offers various degrees of protection, including IP 65 and IP 66 with blow-out devices, and is available with liquid filling options like glycerine or water.
| Application Areas | Food industry, Pharmaceutical industry, Biotechnology |
|---|---|
| Case Material | Stainless steel mat.-no. 1.4301 (304) |
| Pressure Element Material | Stainless steel mat-no. 1.4571 (316Ti) |
| Accuracy Class | Class 1.0 per EN 837-1 |
| Degree of Protection (IP) | IP 65 without case filling; IP 66 with case filling and blow-out device |
| Operating Temperature (Ambient) | -20...+60 °C (without liquid filling); -20...+50 °C (with liquid filling) |
| Nominal Ranges | -1...3 bar up to 0...400 bar |
The pressure gauge type series BH42.. has been especially constructed for the operation with diaphragm seals.
Yes, it includes a blow-out device per EN 837-1, which is part of the IP 66 protection rating with case filling.