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Dear sirs, I am attaching another drawing,there same symbols used. Please clarify the meaning of symbols Regards Pradeephttps://files.engineering.com/getfile.aspx?folder=96bfefb7-805f-4420-ab80-626f84acd3a7&file=31-M-097.tif

Dear all, Please tell me how to interpretate the welding symbol which is red circled given in attached drawing. Especially red circled in drawing. Please guide me Regards Pradeephttps://files.engineering.com/getfile.aspx?folder=d5a33e21-065c-4aa1-96bb-f1cdbeced2ca&file=31-M-203.tif

Dear All, I want to know that during assembly of multistage centrifugal pump if we get axial float less than required in the manual. What is the solution. In our KSB make 9 stage centrifugal pump minimum float is 6mm to be maintained at every stage as per manual. But if we get float less than...

Dear Weldstan and Dhurjati sir, 7018-B2 also has same chemical compostion as 8018-B2 only difference is tensile strenght of welding rod. While 70 ksi is tensile strenght of 7018 and 80 ksi is of 8018. Then how tensile strength different for same chemical compostion. Please enlighten me Regards...

Dear all Thanks for your precious information. I will be grateful for that. I have one more doubt that why we use 8018 for p11 and likewise 9018 for p22 because 80 and 90 in code is tensile strength and not base material composition also tensile strength of p11 and p22 material s 60 psi...

@weldstan and mk3223 Sir, if we use 7018 for welding carbon steel to p11 and p22, then tensile strengh of carbon steel and p11,p22 are different. Will it not affect welding joint quality. Is there any code which tells which filler wire for dissimilar metals and WPS of welding Regards A.Pradeep

Dear All, I want to know that which filler wire to use when we weld carbon steel to p11 and carbon steel to p22. Regards Pradeep

Dear Chicopee sir Thanks for your solution Regards Pradeep

Dear Cicopee sir Please provide presentations. I studied Thermodynamics and Heat transfer. I will be grateful for this. Regards] Pradeep

Dear Chicopee Steam at receiving end is at 11.5 kg/cm2 and temperature at receiving end is 210 degree celcius and flow is about 40 tonnes per hour. Again I thank each and everyone for sharing valuable information. I will be grateful for that. Regards A.Pradeep

Dear Georgeverghese Impulse lines are sloped downwards from source to transmitter as per required guidelines. I think FT problem is not there. Thanks and regards Pradeep

Dear georgeverghese FTs are DP type with flow orifice and we checked they are working fine. I did not understand the point (cooling of steam due to expansion from the initial pressure to the pressure at the end of the pipe that may be considered as an intermediate expansion between the...

Dear Pierre sir and all other respected sirs, Thanks for your valuable and precious suggestions. These suggestions enhanced our knowledge and will help us maintaining steam line in best possible ways. I am grateful to all of you. Regards A.Pradeep

Dear All I am attaching technical sheet of LRB as required by Littleinch Sir. Skin temperature of Insulated pipe are checked before rainy season. Actually insulation is very old about 20 years old we want replace it with new insulation after rainy seaon. . Thats why I asked calculation...

Dear Pierre Normal flow rate is 40 tones/hr now during rains it flow rate increased to 55 tones per hour. It is absolute pressure. Yes sir steam is superheated to 280 degree Celsius. Insulation and cladding is ok. We renew insulations based on thermography report. Steam line layed about 10...

Dear all We encountering a problem of increase of 10-12 tonnes of steam load during heavy rains. I want to know how can we calculate heat loss of long pipeline. We are supplying 12kg/cm2 steam at 280 degree celcius. Pipeline size is 6" and of carbon steel and insulation we use is Light...

Dear MJ Cronin air I agreed that iam incompetent,dull and inexperienced person and these questions may be dull and unworthy for you but not for incompetent and novice like me. Asking questions should be encouraged not discouraged otherwise I cannot get knowledge from you people. Regards Pradeep

Dear EDstainless If mentioned cs pipe is schedule 40, then what will be your reply. The real intent of this question is for same pressure and temperature conditions of fluid inside pipe,Whether SS pipe is of same schedule to be used or lesser schedule.if so then why? Regards Pradeep

Dear sir Suppose pipe is 3" diameter carrying water at 50 degree celcius,pressure 20 kg/cm2. i just want to know that if in above condition cs pipe sch 80 is replaced with ss pipe then what schedule of pipe will be enough. Is it schedule 10,20, or 40. If schedule of SS pipe for same...

Dear all, If i want to replace cs pipe schedule 80 pipe with stainless steel pipe say ss304 with fluid may be water or air or other non corrosive fluid. what schedule of ss pipe will be appropriate. What is basic difference betwen two apart from corrosion resistance property. Thanks A.Pradeep