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Dear Member, could somebody explain for me difference between class/condition/temper column in ASME B 31.3 Table A1 for ferrous material ? http://files.engineering.com/getfile.aspx?folder=7d1d9779-a09d-4d57-8fdc-d9105d34733b&file=Table_A1.jpg

Hi anyone in this forum can advice me min preheat and post weld heat treatment temperature which is required for welding of GGG 60 nodular cast Iron(DIN 1693). the welding electrode which i want to use for this cast iron is AWS SFA‐5.15 E NiFe-Cl the damage part is piston of a air hammer...

HI, ASME B 31.4 code Described “ A hardenable filler such as non-shrink epoxy or polyester resin shall be used to fill the void between the pipe and the repair sleeve “ Anybody can give me spec of non-shrink epoxy or polyester resin which should be used between pipe and sleeve Thanks

I need a little help for electric motor . I need two type of Emotor with high rate start stop time per hours for my application 1- Unidirectional motor single(220 V) and there phase(380 V) with 200 start stop time per hours 2- Bidirectional motor single(220 V) and there phase (380 V) with...

Rexa electro hydraulic actuator uses two FMV (flow match valve ) in their actuator circuit . I am not familiar with this type of valve ,Anyone know is there an alternative valve in fluid power products range ? Theory of operation of the unit can be found in below link ...

I am looking for a zero leakage 2/2 way solenoid valve(cartridge type ).I could not find any suitable products.Does anyone have experience in this case? If so , please address My requirements : 15 Lit/Min @ 100 bar pressure Oil type :10 CST mineral oil

We have 15 KM in service oil pipeline coating rehabilitation project to replace old coating with a new .we do excavating around the pipeline with excavator to expose pipeline . We have many problems during excavating . Such as human error , surface damage to a pipeline caused by contact of...

Hello I am looking for some formula on thrust and torque calculation method for various type of Gate Valve (Through Conduit, block &bleed , wedge , knife , Parallel …) Does everybody now how can I calculate below information for gate valve ? Open Thrust Close Thrust Open torque Close...