What are the mineral explosives and their characteristics?

It refers to the explosives used in all kinds of mine roadway engineering excavation and mine mining and stripping operations.
Its characteristics are: wide range of raw materials, low cost and low price, ensuring safety in manufacturing, transportation, storage and use, that is, physical and chemical properties are stable.

Knife Gate Valve

The knife Gate Valve employs straight through structure of flange type or wafer type. It is metal-to-metal sealed or soft-sealed. When being opened or closed, the valve has small friction, so, a long service life, because the wedge and the sealing surface apply unique design, which has no concave cavity retaining water. The stem applies rising-stem type, which has left hand screw. When the stem nut is rotated, the opening scale of the valve can be directly viewed.
Driving mode: handwheel, worm gear, electric or pneumatic.


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