性饥渴的黄蓉与老汉

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Requirements of enamel equipment iron mould

Number of hits:    Update time: 21 / 10 / 27 17:24:10 Source: www.zbshebei. cn close Sharing:
In daily use, we need some chemical equipment to carry out some chemical reaction experiments. Enamel equipment is one of the equipment, which has strong anti-corrosion ability. Here are the requirements that iron embryo should meet:
1. The surface of bottom tire shall be flat and free of obvious tool scars, pits, interlayer and other mechanical defects;
  2、 Enamel equipment The weld bead on the bottom tire surface shall be straight and regular, and the weld width shall not exceed 1.5 times of the steel plate and thickness. The weld joint shall be smoothly transited without slag inclusion, air hole, undercut, incomplete penetration and other defects;
3. The weld on the bottom tire surface shall be polished before sand blasting;
4. The misalignment of butt weld on the bottom tire surface shall be less than 10% of the thickness;
  5、 Enamel equipment Flange unevenness should be less than 0.15% of the diameter;
6. The pressing surface of butt flange shall ensure the sealing under the design pressure.
In order to make the enamel equipment better use, the iron die should meet the above requirements, and must pay attention to protect the equipment, only in this way, can better prolong the service life. In order to use it efficiently.

性饥渴的黄蓉与老汉_男朋友像疯了一样要我_昨晚他怎么弄你

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