Function
The KK 03 compact seal is a double-acting seal combined with back-up and guide elements. The KK 03 guarantees a good sealing function – also in low pressure areas. Due to the integrated guide elements, the piston length can be reduced to save material.
HJ/HJT Series Rock bits
METAL SEALED Rock BIT WITH JOURNAL BEARING
HJ/HJT series Rock bit adopts metal seal with journal bearing, which can drill stably with high rotary speed.
The size range of HJ/HJT series bit is from 7 1/2 to 18 7/8 inch, and IADC varies from 117 to 547.For example:8
HJ/HJT TCI tricone bit
METAL SEALED tricone BIT WITH JOURNAL BEARING
HJ/HJT series tricone bit adopts metal seal with journal bearing, which can drill stably with high rotary speed.
The size range of HJ/HJT series tricone bit is from 7 1/2 to 18 7/8 inch, and IADC varies from 117 to 547.For
The tensiometer is mainly to test surface tension of all kinds of liquids just like warter,oil liquid chemicals and so on.It is widely used in the petroleum,chemical industry,research department and university. This instrument is composed by platinum ring,torsion wire,defferential transformer and