Accessories for plastic fans
HLU offers a wide range of accessories to meet your individual needs
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Accessories for plastic fans
From connection accessories, seals to prevent media leakage, and safety guards to prevent the ingress of foreign bodies, to electronic components, HLU offers a wide range of accessories to meet your individual needs.
Shaft seals
experts since 1928

Felt ring seal
Application
- protects against leakage at the shaft passage

Kera/Viton seal
Application
- protects against leakage at the shaft passage
- high sealing requirement
- high-quality sealing system with lip seal made of fluoroelastomer and highly corrosion-resistant Kera shaft sleeve (duroplastic phenolic resin reinforced with carbon fibres).
- resistant to all inorganic acids, alkalis and hydrocarbons commonly used in chemical plant construction, including hydrogen fluoride (HF)
- surface antistatic < 10–5 ohms

Hastelloy/Viton seal
Application
- protects against leakage at the shaft passage
- high sealing requirement
- high-quality sealing system with lip seal made of fluororubber and shaft sleeve made of highly corrosion-resistant nickel-based alloy
- resistant to all inorganic acids, alkalis and hydrocarbons commonly used in chemical plant construction
- highly suitable for humid media

Top-sealed Hastelloy seal
Application
- protects against leakage at the shaft passage
- extremely high sealing requirement
- multi-stage sealing system: intermediate space with suction return to the fan suction nozzle to prevent the medium from escaping into the atmosphere
- optionally available with connection for on-site sealing gas
Protection grid
experts since 1928

Protection grid
Application
- protects against the ingress of foreign bodies
Repair switch
experts since 1928

Repair switch
Application
- protects during maintenance and repair work
Sleeves
Experts since 1928

Sleeve with VA tightening straps
Application
- for easy flexible connection to duct

Flange connection
Application
- recommended for higher demands on tightness and at higher pressures

Sleeve with flanges
Application
- for flexible connection with higher demands on tightness and at higher pressures