The product is installed under the rotary plate, the mud on the plate will be scraped when picking up the rotary. It is beneficial to mud collecting and prevent sundries from rotary drilling platform.

Applying superior RSS3、JSR、SBR raw Материалы, with the Особенность of abrision resistance and mud resistance.

Working temperature: -30°C~120°C

Technical parameters(Inch): 2.3, 2.7, 3.5, 4, 4.5, 5, 5.5.