If you want to do any work, is to be optimized in many ways, especially to do online leak sealing such aspects are demanding job, but also to be optimized in many ways, to ensure good operation effect. Such as need your attention to the following two important matters, to promote the optimization of finish the homework, on the operation effectiveness and efficiency is better guarantee:

　　Important one: by the methods of steel belt or copper wire instead of the online leak sealing of special fixture, to loosen the flange bolt nut, fitted with injection before the joint must be near the loosened bolt candle can be carried out only after a callan and screw down the homework, can't loosen the two above nut at the same time.

　　Important 2: injecting sealant in order to ensure the online leak sealing operation safety, the injection valve connection on the injection gun, remove the injection gun, quit pushing rod to join sealant, all must first close the plug on the injection valve, continue to inject sealant must be within the injection gun on sealant with certain pressure, to open the cock on the injection valve.

　　Such in the online leak sealing should pay attention to the items, and there are many different according to different leakage situation, the use of different plugging methods, attention should be paid to matters is different.