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BOSS – Balanced Oil Sealing Solution

The BOSS – Balanced Oil Sealing Solution – is an innovative scraper design. These oil wiper packing is characterized by a high scraping efficiency and tightness that avoids direct oil passage and overflowing process gas from the intermediate distance piece.

The non-metallic oil wiper packing combines two 3-piece main scrapers, a tension ring and a pre-scraper. The scrapers are made of PTFE an PEEK materials produced in-house. Due to the materials the piston rod is preserved.

The BOSS was already registered for a patent.

Design

The two main scrapers of the BOSS are combined with the help of a tension ring in a way that the sealing surfaces are axially tight in the wiper gland, which is intended for the main scrapers. The pre-scraper blocks the first oil flush and the remaining oil can securely be removed from the piston rod.

Mode of operation

Oil wiper packing prevents that the transfer of the lubrication oil from the crankcase via the piston rod to the distance piece. In order to do this, a very accurate manufacturing of the wiper edges is required.

STASSKOL oil wiper packing achieves nearly 100% oil wiping. Thereby the cost saving by reducing the oil consumption.

Mounting instructions

Efficient oil removal is guaranteed by generously dimensioned return grooves. Always use appropriate return grooves in both, packing and corresponding crankcase.
While mounting the oil wiper packing, recommended clearances must strictly be observed.

Because of the split design it is possible to carry out a change of sealing rings and oil wiper rings without disconnecting the piston rod from the cross head and piston. A change of the complete oil wiper packing is only possible by disconnecting the cross head and piston rod.
The use of a mounting sleeve or a mounting cone is required when installing new sealing rings and oil wiper elements. Make sure the sealing and wiper surfaces are undamaged and jamming of segments is prevented, the sealing components must be mounted in the appropriate order and direction also

Customer Feedback

Extract from our customer survey “Global Brand Survey 10/2021
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For technical and commercial enquiries, the staff of STASSKOL GmbH will of course be happy to assist you.

Contact person

Sales Seals for Recips
South Korea
STASSKOL South Korea
Jon Yesner
Jon.Yesner@stasskol.de
South Korea
Japan
STASSKOL Japan
Worldvalve
worldvalve@stasskol.jp
Japan
China
STASSKOL China
Yang Tao
Yang.Tao@stasskol.cn
China
India
STASSKOL India
Shailendra Chougule
Shailendra.Chougule@stasskol.co.in
India
Germany
STASSKOL Germany
Dr. Uwe Morawa
Uwe.Morawa@stasskol.de
Germany
Europe and Africa
STASSKOL Europe and Africa
Philippe de Ramecourt
Philippe.DeRamecourt@stasskol.de
Europe and Africa
North / South
America
STASSKOL North and South America
Ian Evans
Ian.Evans@stasskol.com
North and South America

For technical and commercial inquiries, the employees of STASSKOL GmbH are of course at your disposal. Please contact us by phone: +49 (0) 3925 288-100 or by email: info@stasskol.de.