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海阔天空 2019-03-25

What criteria should be adopted for pressure test of square tanks at atmospheric pressure..

光头强 2019-03-22

Teachers, what criteria are used for pressure test of atmospheric square tanks?..

小鱼曾乖乖 2019-03-20

压力穷器，板材是Q345R，由于要做耐磨内衬，温度会加热到1200度，冷却下来后可以使用吗，这么高温度会破坏板材组织性能吗？..

TuKai 2019-03-18

Masters, who has kettle reducer and bracket marker..

阳光boy 2019-03-15

Excuse me, you gods, 30% sulphuric acid tank, temperature 70 degrees, with what material a..

Pressure Vessel Auditor Replacement 1 0

Hebei DE xin technology co., LTD 2019-03-13

Is it necessary for pressure vessel auditors to change their certificates for one long or ..

一路向东 2019-03-11

Pressure Pipeline Component Assembly Plant Prefabricated a Module, Need Qualification?..

wangliang 2019-03-08

Ask if the wall thickness of the reactor shell in the lower half-pipe takes into account t..

海阔天空 2019-03-06

Can light tubes be used to calculate the strength of corrugated tube heat exchangers?..

光头强 2019-03-04

Can the interpretation of ZDL expansion joint standard be understood as not splicing?..