Material for Sight Glass in the Sour Service

Are any traces of HFl (hydrofluoric acid) present?

A search on "reflex sight glass" might lead to some advice from manufacturers.

No HF presence. It is purely Sour Service.

I would have phoned a few sight glass manufacturers, referred to the operating organisation's Standards Manual and compared the proposed one with a few existing ones long ago, Matey.

I've done that. The manufacturers prefered to use many options.

1. Borosilicate

2. Metaglass

3.Alumino Silicate

4.Quartz PTFE

5. Borosilicate inner and Toughened sodalime outer

6. Annealed Borosilicate

7. Sapphire coated TSL & PTFE.

Please advice which one would be suitble for the sour service? in case if you choose one, kindly request you to justify.

Which type is in use elsewhere at the plant, Uncle? The Standards Manual will tell you. Rather than getting a justification from a French Polooceman, those who have authorised the Standard will have considered their justifications already.

It is Hard Glass. Moreover the earlier one they didnot consider the NACE requirement with the consideration of service as sour. So I can't follow the same.

If you can know or can advice on the issue please respond rather than mocking at me, else stay mute please.

Give full wetting fluid specifications to the supplier with the enquiry. Then, when a purchase order is raised against the supplier's quotation, any risk in the materials then passes to the supplier. Once the materials become known, update the facility's standards with that information. That way, the exercise is only carried out once more; it is unfortunate that earlier progress on this topic has been mislaid and one can prevent recurrence by so doing.

I will be definetly follow your suggestion if this sight glass in not a part of the critical line. But this falls in to the critical category. Any explosion or leakage because of wrong selection of material will lead to huge loss of 2.5 billion US $ per day. We have chosen the line material as super duplex stainless steel which is again an exotic material. So need some advises for choosing the correct material.

Can anyone provide me the comparative study of all the above listed materials listed by me. I just tried to browse through the net but in vain.

Why on earth would you ask strangers for help if your company stands to lose $2.5 Billion per day. I think this statement is false.

I'd think that any company with that much money would employ competent engineers who would never solicit help from unknown strangers.

You need to tell your supervisor that you are not up to this task and have him find someone who can communicate effectively with suppliers of this equipment and have them make these critical decisions.

Lives, not to mention Billions of dollars rest with the decisions.

You are not the person to make them.

Get help. Get help now.

Sorry if this seems harsh, but it should convey the message that you need competent leadership, NOW!

For that kind of money, you could put the Kohinoor Diamond in there.

kumaraba-

With the task you have been given and the corporation asking a bunch of less than novices on the subject, you may want to consider quitting and seeking employment elsewhere. Any employer with the potential of a loss of 2.5 billion US $ per day, let alone the possible deaths. and seeking the answer here is too dumb and beyond help.

Get out of there before someone else makes a mistake and gets you killed. Working there is too high a risk. Continuing employment there could make your family very rich if you have very big insurance policies payable to them.

Go get the best brains in the world you can get on this subject and let them look at the needs and available materials. Get the really good ones that charge very big for their excellent services. "You get what you pay for". Pay nothing, get nothing; Pay a lot, get a lot.

Good Luck, Old Salt

Instead of just browsing, how about doing some thorough research to get the comparative studies you seek?

It is highly likely that you may not find direct comparisons that suit you. You will, most likely, have to make those comparisons yourself once you have found the properties of the possible materials you listed.

Your RFI is bespoke to say the least.

What you are asking (actually your tone is demanding...) is for somebody to do your due diligence for you...for free no less.

Spend some of those daily billions and get on with the job sport.

Gents,

I've decided what to go with and I've prompted this forum as to get a comprative study and not "advices" which is free of cost.

The one given by Mr.Tornado looks genuine which I was looking for. Also I've done some due diligence with a comparative study homework.

Thanks for the support.

Kumaran

I charge for comparative studies. Not that much....I work for billable hours of only 200 dollars per hour. For that I will do anything you want, including putting my name on the paper for your boss. I suspect Tornado is a bit cheaper....though I doubt it.