BW 25 with BM26A-5000
BW 25 with BM26A-5000
Displacer level transmitter with bypass chamber
All-in-one solution with displacer level transmitter and bypass chamber
Large choice of bypass chamber materials e.g. 316L, 304L, alloy C276, alloy 625
Level or interface indication up to 5.5 m / 18 ft
Ideal for difficult process conditions, e.g. turbulence, foam
Shipping Policy
Return policy
Terms & Conditions
The BW 25 is a loop-powered displacer level transmitter for measuring and/or detecting liquid level or liquid-liquid interface under extreme process conditions. It can deal with corrosive media, high temperatures (up to +400°C / +752°F) and high pressures (up to 400 barg / 5801 psig).
The BW 25 can be used as level indicator without the need of auxiliary power supply. Equipped with a switch module the unit can be used as level switch. With a transmitter module, the unit will function as level transmitter. The three function modes can be combined. Retrofitting the device for receiving add-on functionality is possible without interrupting the process. The BW 25 can also be installed in a bypass chamber, e.g. for applications with agitators.
Features & Options
- Transmitter, level switch and indicator in one device
- Easy adjustable level switch with max. 2 set points
- Can be used as mechanical indicator without auxiliary power supply
- Modular design for retrofitting under process conditions
- Welded process seal with external mount housing
Typical applications
- Tanks with hydrocarbons, solvents, bases at extreme process conditions
- Interface measurement with large emulsion layers
- Bypass chamber for applications with agitators
- Applications in non-hazardous and hazardous areas
Specifications
Depending on selected device configuration
General information
| Product type | Level transmitter |
| Product family name | BW |
| Product positioning | For heavy-duty level and interface applications |
| Measurement variables | Level |
| Measurement principle | Displacer |
| Level measurement type | Continuous measurement |
| Contact to measured medium | Yes |
| Interface measurement | Yes |
| Redundancy | No |
| Measured media | Liquid/liquid interface, Liquids |
| Measuring range (liquids) | 0.3…5.5 m/ 1…18 ft |
| Displacement rod length | 0.3…6 m/ 1…20 ft |
Operating conditions
| Process pressure | -1…400 barg/ -14.5…5801 psig |
Materials
| Gaskets | Ethylene propylene diene monomer (EPDM), Fluoroelastomer rubber (FKM/FPM), Kalrez® 6375 |
| Wetted parts | Austenitic stainless steel (1.4404/316L) |
Process connections
| Flange connections | EN (1092-1): DN50…100 ASME (B 16.5): 2…4" |
Approvals/Standards
| Certificates/Approvals Ex | ATEX, EAC Ex |
| Certificates/Approvals Others | NACE |
| Ingress protection | IP67, NEMA4X |
Communication
| Analogue outputs | 4…20 mA |
| Discrete outputs | Limit switches |
| Digital outputs | HART® |
Accuracy
| Accuracy (full scale) | +1.5% |
BW 25 with BM26A-5000
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BW 25 with BM26A-5000
Displacer level transmitter with bypass chamber
All-in-one solution with displacer level transmitter and bypass chamber
Large choice of bypass chamber materials e.g. 316L, 304L, alloy C276, alloy 625
Level or interface indication up to 5.5 m / 18 ft
Ideal for difficult process conditions, e.g. turbulence, foam