Hot Question
- Is the grooved pipe flange?
- Flanges are welded in the form of PL, SO, WN. What do you mean?
- What are flanges connecting 150CL, 300CL, 150CL and 300CL? How much pressure? What are flanges, LF/SE-RF, LF, SE and RF?
- Mechanical flange problems, there is a pair of flange drawings, the above mark is 6-M12 evenly distributed 23 drill 24, what is the specific meaning?
- What's the flange joint?
- The difference between flange and flange B
- What does "flange connection" mean?
- What's the function of the flange of the die?
- Are flanges and flanges a kind of thing?
- Does anyone know whether oil, gas, metal pipe flanges need cross wiring? Function? On the basis of what?