What makes MTU’s brush seals so special is that the sealing element and seal housing are designed separately, which permits the seals to be optimally adapted to the specific installation conditions and the requirements of our customers. This high level of flexibility results in a variety of design options.
HXX (Haynes) sealing element
Haynes 25
- Wire diameter 0.07 mm: 100 Bpmm (bristles per mm)
- Wire diameter 0.07 mm: 200 Bpmm (bristles per mm)
- Wire diameter 0.10 mm: 140 Bpmm
- Wire diameter 0.15 mm: 50 Bpmm
Design features:
- Wire direction optional (radial/axial)
- Sealing element form optional (also three-dimensional)
- No limitation as to size
KXX (Kevlar) sealing element
Aramide (Kevlar)
- Bristle diameter 0.012 mm: 4,000 Fpmm (fibers per mm)
- Bristle diameter 0.012 mm: 6,350 Fpmm (fibers per mm)
Design features:
- Angular direction optional (radial/axial)
- Sealing element form optional (also three-dimensional)
- No limitation as to size
Inconel 718
Inconel 718
- Wire diameter 0.07 mm; 100 Bpmm (bristles per mm)
- Wire diameter 0.07mm; 200 Bpmm (bristles per mm)
Design features:
- Wire direction optional (radial/ axial)
- Sealing element form optional (also three-dimensional)
- No limitation as to size
In the next step, these two sealing element types (HXX and KXX) are fitted in housings to produce the various MTU brush seal types.
Housing types
HBU
Housing: sheet-metal part
Material: metal
Diameter (mm): < 300
HDU
Housing: turned part
Material: metal
Diameter (mm): < 650
KBU
Housing: sheet-metal part
Material: metal
Diameter (mm): < 300
KDU
Housing: turned part
Material: metal
Diameter (mm): < 650
KKU
Housing: injection-molded part
Material: PEEK
Diameter (mm): < 250
HBS
Housing: sheet-metal part
Material: metal
Diameter (mm): > 300
HDG
Housing: turned part split
Material: metal
Diameter (mm): > 150
HBE
Housing/material: without housing; installed in customer part with push-fit metal strip
Diameter (mm): > 300
HXS
Housing/material: without housing; installed directly in customer part
Diameter (mm): optional
Contact experts
Our experts are at your disposal anytime to answer your detailed questions relating to special applications.
