1. The bolts are too long Bolts on valves with only one or two threads over the nut will do. Reduce the risk of damage or corrosion. Why buy a bolt longer than you need? Often, the bolt is too long because someone doesnt have time to calculate the co...
Valve color specification 1. The valve products shall be identified and painted according to the body material. The color is as follows: body material gray cast iron Malleable iron nodular cast iron carbon steel Acid-resistant steel Stainless steel a...
This regulation is applicable to the setting of gate valve, globe valve, ball valve, butterfly valve and pressure reducing valve in petrochemical plant. Check valve, safety valve, regulating valve, trap set see the relevant provisions. These provisio...
01Method of eliminating resonant noise Only when the regulator resonates can the energy add up to produce a loud noise of more than 100 db. Some performance for vibration, noise is not big, some vibration is weak, but the noise is very big; Some vibr...
We often see such scenes on the steam pipe, it can be straight section suddenly bent, believe that many people who like me will be seen such doubt, this is not a snake, actually otherwise, in operation of the pipeline design has its own principle, le...
Scan to add WeChat