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GOETZE is part of Tenneco Inc. USA which is headquartered in Lake Forest, Illinois. Their production plant in Friedberg, Germany, excels in highly automated large scale, close-to-zero ppm production, manufacturing world-class MECHANICAL FACE SEALS & PISTON RINGS covering a wide range of applications including construction machinery, conveyors, mining machinery, concrete and cement mixers, tunnel boring and agricultural equipment.
Tenneco is one of the world’s Leading Designers, Manufacturers and Marketers of Ride Performance Clean Air products & technology solutions for diversified markets, including Light Vehicles, Commercial truck, Off-highway equipment and the Aftermarket.
For decades, Goetze ® branded Mechanical Face Seals have been utilized with outstanding success in transmissions, pumps, axles and drive mechanics. The Special GOETZE cast iron materials have provided extra ordinary wear-resistant solutions for a variety of demanding applications such as construction machinery, conveyors, mining machinery, concrete and cement mixers, tunnel boring and agricultural equipment. Their face seals ensure lubricant retention within wheel hubs and axles, track rollers, transmissions and many more components.
They manufacture face seals with a diameter of up to 1,425 mm – in fact the world’s largest cast iron face seals.
GOETZE offers a full range of Piston Rings from 15 upto 1100mm. Low emissions, low wear and fuel economy are the main drivers in ring design and are crucial for ring applications in a market segment that covers different industrial applications such as transmissions, pumps, compressors, hydraulics and industrial engines.
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| Product Image | Product Name | Description | Product Type | Material |
|---|---|---|---|---|
 | 76.93 | Mechanical face seal type 76.93 are special designs (versions A and B) including inverted seal rings and designs specifically for applications with extreme mud impact. | Asymmetric Face Seal | Duronit or Coronit cast iron |
 | 76.90H | Mechanical face seal type 76.90H consists of two geometrically identical metallic seal rings, located against the respective housing bores by means of large-volume O-rings. | O-Ring Face Seal | Duronit or Coronit cast iron |
 | 76.95H | Mechanical face seal type 76.95H modifies 75.95 seals for the prevention of axial displacement caused by dirt encrusted elastomer parts. Furthermore, it prevents the metal and elastomer parts from spinning at higher break-away and friction torque. | Square Bore Face Seal | Duronit or Coronit cast iron |
 | Installation tool | Slotted plastic ring, slipped around a specific sized seal, to aid installation without damage to the seal. | Seal Installation Tool | Plastic |
 | 76.91 | Adapter Ring 76.91 is a deep-drawn sheet ring encased in oil-resistant elastomer material with static sealing and torque transmission guaranteed by an outer wave-profile of elastomer. Adapter rings facilitate quick repairs with refinishing unnecessary. | Adapter Ring | Sheet metal with vulcanized rubber |
| 76.95 | Mechanical face seal type 76.95 consists of two metallic angular seal rings with identical geometrical contours, assembled with trapezoid elastomer parts positioned against the housing bore. Requires slightly less installation space than standard designs. | Square Bore Face Seal | Duronit or Coronit cast iron |
| 76.97H | Mechanical face seal type 76.97H is similar in design and interchangeable with 76.90H except that the outer profile is not ground, giving it the benefit of even better torque transmission. | O-Ring Face Seal | Duronit or Coronit cast iron |
Depending on the application, our top and second rings can have various running surface topographies, including the barrel faced type and the keystone type. The end gap can be a straight cut, angled cut or gas tight type for improved sealing.
Radial pressure distribution greatly influences ring performance. Based on our know-how, we modify the pressure distribution according to the individual application.
The wear-resistance and running-in behavior of the outer ring surface is defined by selecting from various coating options, which include our high-performance electroplated, thermally sprayed and PVD coatings. Our modern oil control rings scrape off oil from the cylinder wall, leaving just the required amount for lubrication.
The running surface is the contour of the ring facing the cylinder surface. The objective of this running surface profile is to create a lubrication slot with a hydrodynamic film which the piston ring can slide on without touching the other surface. An optimized asymmetrical-barreled running surface ensures low lubricant consumption even after a very long running time.
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