BARRIERTA L 55

Rolling and plain bearings subject to high temperatures

One of the well-known strengths of the BARRIERTA L 55 series is the products' suitability for the lubrication of bearings and guides operating under extreme temperatures. A low evaporation rate enables longest grease lives and hence longest relubrication intervals.

Typical applications include:

conveyors (load and turn rollers)
kiln cart wheel bearings
calender bearings
fan bearings
chain bearings in film stretching stenters

BARRIERTA L 55/2 is most frequently used for initial and long-term lubrication.

For relubrication softer grades of NLGI class 1 or lower are recommended.

Friction points under the influence of media

BARRIERTA L 55 greases offer exceptionally long service lifetimes even when exposed to any of a large number of aggressive media such as concentrated acids, lyes, organic solvents or gases.

In addition to their resistance to media, BARRIERTA L 55/2 and BARRIERTA L 55/3 offer also good adhesion and a sealing effect, which makes them suitable for application in

valves, fittings and installations e.g. in the chemical industry
pneumatic components
level gauges, e.g. for fuels or chemicals
seals (static, dynamic)
extraction systems

Food-processing and pharmaceutical industries

All BARRIERTA L 55 greases are registered as NSF-H1 and are therefore in compliance with FDA 21 CFR § 178.3570.

The additional certification according to ISO 21469 supports the compliance with the hygienic requirements in your production plant.

White-coloured BARRIERTA L 55 special lubricants can therefore also be used on friction points where incidental contact with food products cannot be ruled out for technical reasons, e.g. in rolling and plain bearings and guides operating under high thermal loads in

automatic baking ovens
cooking or frying lines
conveyor systems

Plastic-plastic friction points

BARRIERTA L 55 greases – irrespective of NLGI grade - are neutral towards the majority of plastic materials. Results of pertinent tests with fluoroelastomers can be found overleaf.

We recommend testing lubricant compatibility with the materials in question prior to series application.

High machine performance and less maintenance required:

At high operating temperatures up to 260 °C,
When exposed to aggressive environmental conditions and water vapor,
Where other lubricants may affect sensitive plastic equipment.

For years, BARRIERTA has been used in many industries and types of equipment:

With specially produced base oil to ensure long-lasting stability,
With numerous approval and reference history for various applications,
Tried and tested with NLGI classes suitable for different applications.

Ürün Bilgisi	BARRIERTA L 55/0	BARRIERTA L 55/1	BARRIERTA L 55/2	BARRIERTA L 55/3
Artikel Numarası	090035	090042	090013	090014
Bileşim, Katı Yağlayıcı	PTFE	PTFE	PTFE	PTFE
Bileşim, Yağ Tipi	PFPE	PFPE	PFPE	PFPE
Renk	beyaz	beyaz	beyaz	beyaz
Çalışma Sıcaklığı, Alt Limit	-40 °C	-40 °C	-40 °C	-30 °C
Çalışma Sıcaklığı, Üst Limit	260 °C	260 °C	260 °C	260 °C
NSF-H1, K3 Tescil Numarası	129523	129561	129400	129562
Yoğunluk, Klüber Yöntemi: PN 024, 20°C	yaklaşık 1.95 g/cm³	yaklaşık 1.95 g/cm³	yaklaşık 1.95 g/cm³	yaklaşık 1.95 g/cm³
NLGI sınıfı, DIN 51818	0	1	2	3
Shear Viskozitesi, Klüber Yöntemi: PN 008@DIN 53019-1, Ekipman: Rotasyonel Viskometre, 25°C, 300 s⁻¹, Alt Limit	3500 mPas	4000 mPas	8000 mPas	11000 mPas
Shear Viskozitesi, Klüber Yöntemi: PN 008@DIN 53019-1, Ekipman: Rotasyonel Viskometre, 25°C, 300 s⁻¹, Üst Limit	5500 mPas	8000 mPas	12000 mPas	17000 mPas
Baz Yağın Kinematik Viskozitesi, DIN EN ISO 3104 / DIN 51562-1 / ASTM D445 / ASTM D7042, 100°C	yaklaşık 40 mm²/s	yaklaşık 40 mm²/s	yaklaşık 40 mm²/s	yaklaşık 40 mm²/s
Baz Yağın Kinematik Viskozitesi, DIN EN ISO 3104 / DIN 51562-1 / ASTM D445 / ASTM D7042, 40°C	yaklaşık 420 mm²/s	yaklaşık 420 mm²/s	yaklaşık 420 mm²/s	yaklaşık 420 mm²/s
SKF-EMCOR, DIN 51802, Klüber Yöntemi: Saf Su, 168 Hours		≤ 1 korozyon derecesi	≤ 1 korozyon derecesi	≤ 1 korozyon derecesi
Greslerin, DIN 51805-2, -30°C				≤ 1400 mbar
Greslerin, DIN 51805-2, -40°C		≤ 1400 mbar	≤ 1600 mbar
Dört Bilya EP Testi, Kaynama Yükü, DIN 51350-4	≥ 6000 N	≥ 7000 N	≥ 8000 N	≥ 8000 N
Hız Faktörü (n x dm)	yaklaşık 300000 mm/min	yaklaşık 300000 mm/min	yaklaşık 300000 mm/min	yaklaşık 300000 mm/min
Üretim Tarihinden İtibaren Minimum Raf Ömrü – Açılmamış Orijinal Ambalajında, Serin ve Kuru Yerde, Yaklaşık	60 ay	60 ay	60 ay	60 ay

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