Products ⇒ Shaft Seals

Shaft Seals

PTFE- Seals was introduced in the early 1970’s. The seals were designed to bridge the gap between conventional elastomer lip seals an mechanical face seals. Hostile environments such as extreme temperatures, aggressive media, high surface speeds, high pressures and lack of lubrication previously forced the designer to specify the expensive and complicated mechanical face seals.

ATD GmbH and partners distributes the PTFE seals in materials and sizes suited for most rotating equipment. Due to our unique manufacturing capabilities, we are able to quickly supply the geometry and material which best meets your requirements. This is accomplished by utilizing modern computer- controlled equipment, flexible tooling and the stocking of semi.- finished components.

PTFE- Seals solve difficult applications which are not addressed by conventional elastomer seals.

PTFE- Seals exceed the performance of elastomer lip seals in the following areas:

• Greater chemical resistance
• Lower friction
• Capable of surface speeds to +30 m/s
• Works to temperature extremes (-20 °C to +200 °C)
• Has extended seal life in dry or abrasive media
• Handles pressure in excess of 32,5 MPa
• Large diameter capability with custom designs available

Shaft Seals

• Shaft diameter: up to 1200 mm
• Casing material: steel or stainless steel
• Lip material: NBR, silicon or FKM

               

Shaft seals with texture strengthening back

• Shaft diameter up to 2350 mm
• Material: NBR or FKM

          

PTFE lip seals              up

• Shaft diameter: up to 500 mm
• Casing materials: steel, stainless steel or aluminium
• Lip material: several PTFE compounds

          

PTFE lip seals with turned lips

This special developed ATD PTFE lip seal was designed for customer oriented problems.

• Shaft diameter up to 500 mm
• Casing materials Steel or stainless steel
• Lip material PTFE or PTFE- FDA (white)

V- Rings              up

The V- ring is a all- rubber seal for rotary shafts. He’s mounted directly on the shaft.
The V- Ring provides a perfect solution to ingress of dust, dirt or water while positively retaining grease. With it design and performance the V- ring protects a wide range of bearing types. It can be also used as secondary seal to protect primary seals that do not perform well in hostile environments.

• Shaft diameter: up to 1300 mm
• Materials: NBR or FKM

     

Shaft protection sleeve              up

All “ATD sealing systems” are provided with special PTFE- compound Lips. These lips have to run on a special shaft protection sleeve balanced to the PTFE- Lips. It is very important for a dry- running sealing system.
For all our ATD sealing systems we are customizing these shaft protection sleeve.