WIPER PO21-NBR

STANDARD SEAL DIMENSIONS

DESCRIPTION

The special geometry of the wiper PO21-NBR, without hanging, with vulcanized metal core inside, for completely open groove, improve the assembling. The grooved seat circlip holder, avoids the scraper ejection. The replacement is also very simple during maintenance. The special profile combining seal and wiper in a single solution, keeps the cylinder free from outside impurities.

TECHNICAL DATA

Pressure: < 16 [bar] Speed: < 1 [m/s]] Temperature: from – 30°C to +100°C for NBR version from -15°C to +150°C for FKM version
Fluids: lubricated air, grease and mineral oils

MATERIAL

Standard material is NBR 75 Shore A black colour. In alternative FKM 75 Shore A brown colour.

ASSEMBLING

We suggest assemblinh as follows:
1) Insert scraper
2) Place circlip in the niche
Is recommended to lubricate the seat and remove the sharp edges originated by the machining.