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The sizes are 6 and 10 inch. I dont really understand the mechanics of this potential problem, but the valve in question is a pig receiving/loading valve that has a safety mechanism to stop it opening when loading the pig. There are isolating valves either side which obviously need to be closed...

Could it be problemmatic to operate the valve (ballvalve)when the pressure is shut in the system either side of the valve of if shut in only one side. I mean would this affect the movement of the ball. We have a liquid service operating at 1500Lb rating Does it require a bleed drain in the...

The rating of the system is 1500 ILB I may the contractor ask to chamfer the flanges to help the transition

Due to an error in wall thickness calculations we have two pipelines connected together with a difference of 16mm. this crates an 8mm raised lip on one side. The fluid is a warm brine produced water highly corrosive fluid with a reasonable amount of dissolved iron, the system is designed to...

We have produced water/skimmed oil tanks that are very corrisive. To limit oxygen into the system low pressure fuel gas has been added for blanketing (rather than inert gas)The capacity of tanks are approx 1200m3. and the ratio of gas to water/oil can be 25/75% each way. my questions are 1...

I am laying out a plant with corrosive produced water atmospheric storage tanks. These tanks also contain fuel gas for blanketing so as to reduce intake of oxygen. For the purposes of safety I am looking to classify these tanks.i.e. should i use the same spacings as crude oil storage tanks in...

I have produced water/skimmed oil floating roof tanks 40ftDx40ftH with Fuel Gas blanketing at low pressure. Question: Should they be treated the same as crude oil storage in relation to siting.i.e. what distance from roads, boundary fence and process equipment????