Friction faces in mechanical seals are usually is the most damaged parts after a long time or certain time of use. Lapping service is a process where can help to remove the damage layers and restore their flatness and roughness to make the two parts joined together engage exactly.
MONOCHROMATIC OPTICAL LIGHT
After a seal part polished, it place under a monochromatic light and an optical flat is po
HYDROTESTING FOR LEAKAGE
Hydrotesting known as leak testing and pressure testing, it helps to evaluate the integrit