Elastomer Bellows Seal Style Type BA
Burgmann® MG1, MG12, MG13 Replacements
General Purpose, Rotating Single Spring
The Flexaseal Type BA, an unbalanced general purpose seal, is an industry standard across many OEM equipment throughout the world. It serves well in a broad range of applications and provides a cost-effective sealing option.
The static seal between the elastomer bellows and the shaft coupled with the free movement of the bellows prevents sliding action and shaft damage from fretting.
- Automatic compensation for normal shaft run-out and axial movements
- Unbalanced design
- Non-clogging single-spring
- Bi-directional rotation
- Shaft remains protected over entire seal length
- Can be applied with nearly any type of mating ring
- Equivalent* to Eagle Burgmann MG1, MG12, MG13
* Flexaseal Engineered Seals and Systems, LLC supplies replacement seals to fit a wide range of OEM equipment. Any use of other manufacturer names, marks, or model numbers is for reference only.

Flexaseal Type BA
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Specifications
Materials of Construction
Standard Metallurgy: | 304 SS, 316 SS, 18-8 Stainless, Alloy C-276 |
Seal Faces: | Carbon graphite (resign impregnated), Silicon Carbide, Tungsten Carbide |
Stationary Seats: | Alumina ceramic, Ni-resist, Silicon Carbide, Tungsten Carbide |
Bellows: | Neoprene, NBR, FKM, EPDM, TFE/P |
Secondary Seal: | Neoprene, NBR, FKM, EPDM, TFE/P |
Operating Parameters
Max Temp: | -4°F to 285°F (-20°C to 140°C) |
Max Pressure: | 170 psi (12 bar) |
Max Speed: | 2000 FPM (10 m/s) |