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Hi, We require some structure material urgently, but the material available in the market is not of AISC standard. The structural material quoted by the vendor have web thickness lower and have flange thickness larger then that stated in AISC. Vendor have also quoted that the moment of inertia...

Big Inch..... The ranges given are proposed by the Vendor. We only provided normal and rated capacity. NORMAL CAPACITY - 60.9 m3/hr RATED CAPACITY - 70 m3/hr Please also note that this pump has a minimum flow line. And minimum stable continuous flow is 40 m3/hr. And as far as acceptance is...

Thanks guys. The information provided is very helpful and surely help me out in my decision. I would go for flexible coupling design. I have also come across with a design in which there is an intermediate bearing housing between pump and the motor. This design involves two set of coupling, one...

For 25362.... The vendor is offering performance and mechanical tests but the same will be done at the end when we have a machine built up. At that time if the vibrations are high then i think there will be very limited options. This is the right time to stop him and make as per requirements...

Thanks Artisi for the post. In my case there is a little problem. We have hired a contractor to do correspondense with different vendors for miscelleneous procurements. What happened was, the contractor selected a vendor to do the job and ordered the equipment. When i noticed the discrepency i...

Thanks for the replies guys. I have also considered the same but a senior machinery engineer told me that you also have to see the fluid which you are pumping. Mechanical seals have very fine clearances between the seal faces and donot encourage the axial movement to be acted on them in vertical...

Thanks for the reply Artisi. At the time pump type and motor configurations are not final. The Situation is in requisition stage. If the configuration is known then it will be quite straight to finalize the coupling, for e.g if the vendor is giving the thrust bearing in motor then the whole of...

Hi to all; There is a problem facing to me during selecting a high pressure ammonia pump. the characteristics are as follows; Service - Ammonia Type - Centrifugal (Horizontal) Pressure discharge - 156 kg/cm2 Speed - 6500 rpm capacity - 60.9 m3/hr Prefered Range - 78.2 to 134 m3/hr Allowable...

I am going to select a pump which is of following characteristics; TYPE - Vertical Fluid - Steam condensate Capacity - 50 m3/hr Temp - 98 deg C (max) Seal - Mechanical type Now my question is "Which type of coupling whould be better for this vertical condensate pump". My experience is that...

1. I need some literature about bell and spigot type insulating joints (natural gas lines cathodic protection system). 2. I need names of few reputed (european, american) manufacturers of insulating joints. Regards,

Please advise me book(s) on reciprocating compressor piping design and containing practical examples (problems)using acoustic analysis. Regards,

Hello, Please advise me book(s) of structure designing using staad pro software. The book(s) should contain different examples (solved problems) using staad pro. Regards,

Hi, I have some questions regarding quality of water suitable for concrete mixing: 1. Which standard define quality of water (i.e TDS, Electric conductivity, sulphates, cholrides etc) suitable for concrete mixing? 2. Can water with high value of total dissolved salts used for mixing of...

Hi I just want to have some know how about Tekla Xsteel. Do anybody knows about any site which provide tutorials or help for Tekla Xsteel? Best regards, Abrar

Thanks for ur prompt replies.

Can embrittlement be a concern in diameters (42mm and 36 mm in my case)?

Hello We are converting the CO2 Removal Section at our Ammonia Plant from conventional Benfield system to Benfield LoHeat System. Anchor bolts of material ASTM A307 will be installed on heavy steel structure, carrying a load of 350 tons. The supplier has offered hot dip galvanized anchor...

Hello We are converting the CO2 Removal Section at our Ammonia Plant from conventional Benfield system to Benfield LoHeat System. Anchor bolts of material ASTM A307 will be installed on heavy steel structure, carrying a load of 350 tons. The supplier has offered hot dip galvanized anchor...

Thanks Rob for ur valuable reply. If u can search more information, it will be a great help!

Hi dears! Currently i m involved in a project of steel structure with pile foundations. Total load on foundations is 350 Tons. Anchor bolts of material ASTM A307 are to be fixed in concerete fundations. These bolts are ugently requirement of my project otherwise whole project may delay. Zinc...