BNA WA+KR is a three piece single acting sealing set which consists of onereinforced cotton fabric and nitrile rubber vulcanized together , one L shaped thermoplastic guide back-up ring and a retainingring.
Mining equipment , mobile hydraulics , presses and standard cylinders.
Easy assembly with a piston in one piece. The design of the open groove provides an advantage for easy mounting. If'm assembly tools are used the mounting area should not have any sharp edges. Before mounting the BNA WA+KR must be lubricated with oil system
|MATERIAL: POM / COTTON FABRIC NBR 80 SH|
|MEDIA||Mineral oils(DIN 51524)||HFA and HFB||HFC|
|TEMPERATURE||-30°C +105°C||+5°C +60°C||-30°C +60°C|
|PRESSURE||≤500 Bar||≤500 Bar||≤500 Bar|
|SPEED||≤0.5 m/sn||≤0.5 m/sn||≤0.5 m/sn|
Note: The above data are maximum values and cannot be used at the same time.
|Sliding Surface ØD-Ød||≤0.4 μm||≤3.2 μm|
|Groove Base ØDb-Ødp||≤1.8 μm||≤6.3 μm|
|Groove Flanks B||≤3.2 μm||≤16 μm|
Note: It is recommended to have 50% to 90% of the working surface material contact area value.
CB = Custom build (price on request)
* = Stock item
Stock = 0 (and not a Stock* or CB product) -> minimum item value € 10.00