Recent content by ITBT

Hi, I am designing a lifting device on board a barge, where the design temperature is required to be 0F and above. Does the material need to go through charpy test? Say if I use ASTM A36 for the structure? Any boby familiar with ABS rules? Thanks.

Hi, unclesyd, This dia. 4" rod is for a cylinder, customer requested this material because it is scratch free. We wish to know more about it, so that our quotation would be ok.

I come across a piston rod material of PH150 recently, but am not so familar with it. Would anybody give some clue on the mechanical property of this material? Thanks.

Hi, Can any body tell me where I could get dimensions of 1" ANSI B16.5 Class 2500 weld neck, ring joint type flange? Thanks in advance.

I wish to have some 3000psi npt socket catalogs. Can anybody tell me web address to down load?

Hi, Wish to know what thread designation of 1-3/4"ACME-2G means. 2G must be the tolerance of male thread, but what exactly is the tolerance and what is the designation for female thread? Any idea is appreciated. Happy new year!

Hi, btrueblood, Is that flange something like a 4-blot one?

Hi, Wish to kown the difference btw ANSI weld neck flange and an ASME flange. Can anybody help? A lot of thanks!

thanks, it's accepted by customer

Hi, Can anybody provide some idea on SI units for pipe thread? One customer requirement is to use SI units for my proposed port size (female socket) 1-1/2"BSPP and 2"BSPP. Does it mean I must use metic size of M48x2 and M60x2 ? Thanks!

Yes, it's ture. Thank you very much for your help.

I came across an accumulator volume problem that needs help. I charged the an EPE AS55 accumulator from 0 to 4500 psi and turned off inlet valve. The pressure droped a little and stablized at 4000 psi. Then I opened outlet valve to collect water till pressure droped to 1600 psi. In this...

Thank you for your valuable comment. I checked precharge pressure once again and it was actually 1400 psi. Damage is not likely becourse there is a poppet valve to stop bladder from extruding.But how to check for fluid on gas side?

I came across an accumulator volume problem that needs help. I charged the an EPE AS55 accumulator from 0 to 4500 psi and turned off inlet valve. The pressure droped a little and stablized at 4000 psi. Then I opened outlet valve to collect water till pressure droped to 1600 psi. In this...

hi, can anybody tell me the hardness of ss431s29t? any advice is appreciated.