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Technical details

 

 
Type
 
Material
Application
 
Vulkanized Bellows


 

Synthetic rubber
SBR NBR CR HNBR
VMQ FVMQ IIR CSM ECO
single piece without joints, absolutely airtight and watertight, resistant against mineral oil and emulsion
Silicone rubber elevated temperatures
Neoprene® rubber Resistant to the effects of the weather

 
Type
 
Material
Resistance
Rubber-Disk Bellow

Chloropren-Kautschuk
CR
Good against acids, sun, ozone, water, mineral and synthetic oil;
sufficient against solvent
Nitril-Kautschuk
NBR
Very good against mineral and synthetic oil;
good against water;
sufficient against acids, sun, ozone, solvent;
Ethylen-Propylen-Dien-Kautschuk
EPDM
Very good against acids, ozone;
good against solvent, water, sun;
unstable against mineral and synthetic oil;
Viton®-Kautschuk Very good against sun, ozone, mineral and synthetic oil;
good against acid;
insufficient against solvent;
Chlorsulfoniertes Polyethylen
CSM
Very good against acids, ozone;
good against sun and mineral oil;
sufficient against solvent, water, synthetic oil;

 
Type
 
Material
Resistance
Fabric Bellows special fabric coated robust in aggressive or rough enviroments
aproved for protection against high enviromental temperatures
Dipping Bellow plasticised PVC against Ozone, UV
Neoprene, Viton are registered trademarks of Dupont.

 

Which one to choose:

 
Vulcanized
Bellow

 
Rubber Bellow
Dipping Bellow
Fabric Bellow
Tool costs No mould or tool costs Low tool costs No mould or tool costs
Mass produced 1 – 20/30 units, in case of small bellows up to 50 units from 20/30 units up to 200/300 units minor units
universal applicability, made to a customer’s design extreme conditions and fittings mainly for dust protection high environmental temperatures, suitable for very strong chemical or physical stress
delivery period:
first sample:
ca. 10 working weeks
Series-production:
ca. 6 working weeks
delivery period:
ca. 2 - 3 working weeks
delivery period:
ca. 4 - 6 working weeks
delivery period:
ca. 3 - 4 working weeks

The quoted delivery periods are standard, but may be longer or shorter depending on bellow type and available resource capacity.

 
              Kühner Handel GmbH • Reutlingen • Phone: 07121/9277 0 • Fax: 07121/9277 10 • E-Mail: info@kuehner.de                     Imprint