Hello all,
Could you give the best solution for a mixing and pumping concrete?
Shaft speed: between 70 and 120 rpm
Pressure: Less than 3 bar.
Thank you guys.
When it is recommended to use Chrome Oxide faces as an standard option?
Which are the main advantages and disadvantages in front to other materials (SiC, Aluminum Oxide,Graphite, ...)? Chemical resistance, friction coeficient,....
Always against Carbon face, I guess, acting as a hard face?
Hello guys,
Which is the difference between the ASME code U and code UM certification for pressure vessels?
Regarding a vessel manufacturer of reservoirs for mechanical seal, they both would offer the same guarantee? or it would depend on the consitions?
The difference is only the dimension...
Pressure: 2 bar
shaft size: 55mm
rpm: 1500
Should be used a metal bellow seal?
Double seal or simple with quench?
Elastomers? Viton is Ok or it is too tight?
Which is the best solution for a big beer mixer (35.000L)? The seal goes at the bottom. Speed about 30 rpm. Working Pressure= 0,5 bar.
The beer or its raw material is a good lubricant for the seal? or Should I put a double cartridge with flush?
Can you help me about the best solution for a liquid brine application?
Temp: -5ºC
P: 4 bar
RPM: 3000
Single or double cartridge? API PLAN? Faces?
Do we have to consider crystallization?
I would like you to explain to me a bit more about the throat bushing features.
How is fixed to the housing? I mean about the tolerances in the outer diameters.
Does The piece is held in position only by effect of the pressure difference between the seal chamber and the rear impeller or need to...
Hello,
Can you tell me the best solution for the following application?
Fluid: BIOGAS
Temp: 20ºC
Pressure: 0,5 Bar
RPM: 2950
Shaft: 35mm
May be back to back double seal with a barrier fluid to lubricate the faces? Wich would be the appropiate barrier fluid considering we are talking about...
Is it posible to use faces of graphite/SiC instead of SiC/SiC as an alterantive in case or not having these ones?
Some chemical incompatibility?
Does it depends on the pressure fluid?
Hello guys,
I would like you to help me to choose the best solution for this application:
Fluid: Thermic Oil
Temperature: 300ºC
Stuffing box pressure: 6 bar
RPM: 1800
shaft: 55mm
Which would be the best lubrication API PLAN?
Hello everybody,
Please, could you help me about the way to calculate the flow that a pumping ring can provide?
If I have the dimension of the pumping ring (diamater, height slots, number of slots, rpm, pressure in the seal chamber....) Which are the calculations I have to do to evaluate the...
Hello,
Please, In a double cartridge like the one of the attached file working with water to 40 bar, Can I put through the flush connections water to main pressure line (to 2/3 bar) mainly to lubricate the external seal or I would have to insert water to more pressure than the working one, let...
Hello everybody,
I have to visit a purines installation. Can you help me about the best solutions to install? A double cartridge with a pressurized fluid?
Thanks
I want to know the things that I have to take into account to dimension the vessel for installing a barrier fluid in a double cartridge seal.
How to decide the dimension of the vessel pot, fluid to use, lenght of the line, controlers to install (fluid level, temperature,...) ?
Is there some...
