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Dear Friends, We have to procure the subject differential pressure gauge ITT Barton Model no. 227C. We have received specifications for this item from our client which mentions part no. 227C. We sent the specifications to our supplier. Our supplier is confirming that he can supply model no...

Fin spec does not mention dimensional tolerance. Hence, my opinion is we can accept fin fabricators own tolerance. Please reply if my opinion is correct

I have to procure finned tube as per the below details: Bare tube: ASTM A179 OD: 1 inches, Length: 30 feet Fin spec: B209 Gr 1060 As regards to dimensional tolerance, it is clear for bare tube which will as per STD. But my doubt is the dimensional tolerance for fins (Fin OD, fins per inch, fin...

We ordered 2" Union class 3000, A350 LF2. Our specs mentions dimensions as per ANSI B16.11. But the manufacturer is informing that ANSI B16.11 does not cover unions. It covers only elbow, cross, tee, couplings. As per the manufacturer, the unions will be offered as per the dimensional specs...

Corypad,thanks. Is there any reference that a108 is the replacement std instead of a331

Our client require ductile iron gate valve as per api 604, but I could learn that api 604 is withdrawn. Please suggest what is the equivalent to api 604

Our client require round bar with STD A331 LV GR 4140. but our supplier is giving as per STD a29-12E1 Gr 4140 AS a331 IS WITHDRAWN. I was checking test certificate & compared with A29. I found chemical composition but could not find mechanical properties & hardness value in A29. Also, test...

We have to procure a 3/4 inches air hose as per design std BS EN ISO 2398, but my supplier is offering me GOODALL MULTISERV hose which does not comply to BS EN ISO 2398 as it is made in USA. But my supplier FROM HIS EXPERIENCE informs that this hose will fully comply to the requirement of BS EN...

I want to find out dimensional tolerance (length, width & thickness) for plates A516 Gr 70 & A240 Gr 310. A240 says to see A480, but in A480 there are many types of plates. In which category to see the dimensional tolerance. For A516, the std does not mention any thing about dimension tolerance...

I want to find out dimensional tolerance (length, width & thickness) for plates A516 Gr 70 & A240 Gr 310. A240 says to see A480, but in A480 there are many types of plates. In which category to see the dimensional tolerance. For A516, the std does not mention any thing about dimension tolerance...

Thank you mrfailure (Materials) for your valuable suggestion. Could you please advise me on my 2nd post regarding pressure testing of the hose

Further to my above post, we want to test the hose at 6000 PSI. Our manufacturers is saying they cannot test the hose at 6000 PSI because one end has a 3 piece socket weld end union connected to the hose through npt male & hence, they will remove the union, test the hose at 6000 PSI with both...

We want to buy a hose with OD 40-43 mm, but manufacturer is offering OD of 38 mm & he gives the below explanation. Please advise: We Manufacture the Hose in accordance with BS5342:1985:A2 ,Which is the standard used for the application high pressure Saturated Steam. Usually industry standard...

We want to order a 1/4 inches double braided hose SS304 with end fittings as carbon steel A194 2H galvanized NPT hex male at one end and Carbon steel A194 2H galvanized socket weld 3 piece female union (stem + nut + female) at the other end. But the manufacturer is offering end fittings with...

metengr (Materials), Stress Relieving temperature: 610 Degree Celsius, Holding Time: 6 to 10 Seconds

metengr, this is u bend, as per ur reply, we understand that u bend is stress relieved to bring the hardness to the required level as per std, but the hardness obtained after stress relieving is 78 & 74 HRB noting that the Max Hardness value as per ASTM A179 tubes are 72HRB (nothing Mentioned...

We Require A179 U Tube set, where we have specified that Hardness test to be done on the shortest U Bends after Stress Relieving. The Hardness Values obtained are 78 & 74 HRB respectively, noting that the Max Hardness value as per ASTM A179 tubes are 72HRB (nothing Mentioned about U bends) Can...

What is the difference between PTFE & PCTFE. I have to order PARKER ball valve with PTFE seat but they are offering PCTFE seat. Can I accept PCTFE seat in place of PTFE seat

They informed that they have the capability to measure with caliper only. Could you please suggest if we can use Ultrasonic thickens measurement by D meter as an alternative to pulse echo method. If this is OK, I can inform them to do that. Please send your valuable advise

I have given swage concentric nipple 1/2 x 1/4 inches to third party inspection for inspection. We need thickness measurement by pulse echo method as per E797, but inspection agency & the stockiest are saying that they will use dial caliper (which has a least count of 0.05 mm) instead of pulse...