Stainless steel manual valve advantages introduced

Stainless steel manual ball valve is a relatively new type of ball valve, which has its own unique structure of some advantages, such as friction switch, the seal is not easy to wear, opening and closing torque is small. This will reduce the size of the actuator fitted. With multi-turn electric actuator, the media can be adjusted and cut off. Widely used in petroleum, chemical, urban water supply and drainage requirements severely cut off the conditions. Manual valve in the pipeline is mainly used to cut off, distribute and change the flow direction of the medium. Ball valve is widely used in recent years, a new type of valve, which has the following advantages: 1. Fluid resistance is small, the resistance coefficient and the same length of the pipe section. 2. Simple structure, small size, light weight. 3. Tight and reliable, the current ball valve sealing surface material widely used plastic, good sealing, vacuum system has also been widely used. 4. Easy to operate, quick opening and closing, as long as 90 ° rotation from full open to full close, easy to remote control. 5. Easy maintenance, ball valve structure is simple, the seals are generally active, demolition and replacement are more convenient. 6. In the fully open or fully closed, the ball and valve seat sealing surface and media isolation, the media will not cause erosion of the valve sealing surface. 7. Wide range of applications, the path from small to a few millimeters, up to a few meters, from high vacuum to high pressure can be applied. When the ball is rotated 90 degrees, the sphere should appear entirely at the entrance and exit, thus interrupting the flow. Ball valve switch light, small size, can be made of large diameter, dense, Q41 stainless steel ball valve seal is reliable, simple structure, easy maintenance, sealing surface and spherical often closed state, easy to be media erosion, widely available in various industries application.

Chisel

Chisels are classified in different shapes according to different uses:

Flat chisel: the cutting edge is flat, the cutting edge and the chisel body is an inverted isosceles triangle, mainly used for opening square holes or repairing some square holes;
Oblique chisel: the blade is 45° Angle, the blade and chisel body is an inverted right triangle, mainly used for repair, most of the dead corners for carving and carving repair;
Gouge: the cutting edge is semicircular, mainly used for opening circular or elliptical holes;
U type chisel: the cutting edge is U-shaped, which is rare now, mainly used for carving and repair;


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