Anyone know of any manufacturers that will custom make 3 lobe journal bearings with specific offsets and preloads for approx 1.13" id bearing by 3" long? Any tips would be greatly appreciated.
Newbie to the 4-20mA current loops so I'm wondering if anyone can help me with understanding how to connect the following devices. The individual product info has confused me so I'm hoping you experts can give me a clue:
1.) Rosemount 3051 pressure transmitter
2.) Honeywell UDC2500 controller...
I've have selected a 1" and 3" Fisher V-Port Ball Valve 600#, with pneumatic actuation and 4-20ma positioner. My local distributor is lacking in customer service and timeliness in answering questions, to the point that I'd like to know if anyone knows of a suitable equivalent valve from a...
I need to select a device to control a pneumatic valve using the 4-20mA input on the actuator. The control must be manual, by that I mean the user will vary the 4-20mA current to set the valve in the desired position by whatever means the device allows. We would prefer that the control allow for...
I need to select a device to control a pneumatic valve using the 4-20mA input on the actuator. The control must be manual, by that I mean the user will vary the 4-20mA current to set the valve in the desired position by whatever means the device allows. We would prefer that the control allow for...
Hi folks,
I need to size a valve that will have a short pipe downstream of the valve discharging to an open resevoir and I need to provide the max. differential pressure. Is this dP just the upstream pressure-atmospheric pressure? Please correct me if I'm wrong and thanks in advance.
I'm evaluating the torque rating of a rigid keyed shaft coupling. Various references I have omit the case of a hollow "tube" with the keyway cut all the way through for evaluating the stresses. Can anyone shed some light on how to account for the keyway? Thanks in advance
I'm looking for mechanical properties per ASTM standards and have not found 416 to be included in A276-02a. Any one know why or if I'm totally overlooking were it is? I noticed it being referenced in A582A/582M for chemical composition but thats it. If anyone knows were to find it, please let me...
I have a vertical shaft, 2 thrust bearing configurationin a stationary housing where the bearing cones are spinning at a constant speed with a known axial thrust load. I would like to hear some of your ideas on how to determine the heat generation with a given grease lube or how to use available...
