At present, 91% of X80 steel pipes used in the trunk line of the Second Western Pipeline already is purchased at home and the localization rate of 900-poundhigh-pressure ballvalves under 24 …Get Price
2. The choice will behighor low speed switch to nitrogen test at ahighspeed. 3. Open the nitrogen. 4. Then the testpressurefrom thehigh pressureadjustment valve on the nitrogen cylinder,high pressuresize, the panel Speed adjustmentpressuregauge. 5. If stop testing after nitrogen turn off,presslaunch button again to nitrogen discharge.Get Price
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