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Your comments are well taken. Round it is.

I am interested in using 1.25" x .120" wall square, seamless, 304 SS for a supply manifold on a system using heat transfer fluid. The reason is for ease of fabrication. Maximum temperature is 350°F, maximum pressure is 35 psig. I realize square tube is not intended for pressure and not sure...

I have attached a view of the groove in the door frame and the cam follower in the groove. I would like to constrain the cam follower to the groove so that when I change the height of the pneumatic cylinder shaft the door...

I have a door that will open/close vertically. Cam followers will guide the door inside grooves in the door frame. On the door frame, I drew a sketch then a curve along the groove. (the groove in the door frame is vertical then curves inward at the bottom) In my assembly, I'm trying to...

Bravo. Power was lost to the auger first and the cutter assembly backed up with ice. Very good point. Thanks

I will check - I believe there may be an undervoltage circuit breaker on the generator. I believe that the undervoltage condition occured more localized to the branch circuit feeding the motor.

That sounds like good advice. By the way, I looked on the motors for TP or Thermally Protected and could not find it. Can anyone comment on the generator size for this load?

You raise a good point. Except that it happened on 2 occasions with 2 different motors and I'm sure the motor protectors did not trip. The motors got so hot they started to smoke. Several minutes passed while I was running around with the volt meter. (maybe it just seemed that way!) They are...

First I will describe the setup. A 100 kva generator is operating a small ice plant. The voltage is 208 V/3 phase/60 Hz, Wye. The loads are as follows: 15 hp refrigeration compressor, 4 hp condenser fan, 1.5 hp pump, air conditioner (draws 24 amps) (all previously listed are 3 phase, 208V), (3)...

Thanks for the responses. I needed to know if the stress in the material could have been caused by the thermal shock because the 180° return bends were supposed to be annealed. It is obvious they were not and I should be able to get some concessions from my coil vendor. I am pretty much required...

I have a finned cooling coil constructed from 304L stainless steel. It is installed in an oven that is operated at a temperature of 175°C. During the cooling cycle, chilled water is pumped through the coil. At the beginning of the cooling cycle, water is fed into the coil at the full rate of...

The entering pressure is 40-60 depending on the actual chilled water system - there are 5 at various locations around the world. The outlet pressure is typically 20-30 psi lower than the inlet pressure. So there is always a back pressure on the coil. But not enough pressure to prevent the...

Some units have an all-copper finned cooling coil. Are there any potential problems with this given this history of failure with the 304 SS?

Kenvlach and Mcuire, Thank you very much for your responses. This is very useful information. This application is asking a lot from this cooling coil! Now the customer wants to investigate going to 300°C. I believe a secondary fluid pumped through the coil and cooled with a hx by the chilled...

A 304 SS finned cooling coil is installed in an oven and is connected to a chilled water loop that operates at 50°F and 40-60 psig. The ovens are operated up to 165°C for approx 4 hours. Then the water is turned on for the cooling cycle which lasts approx 1/2 hour. The ovens have operated...