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Can the solution be a face to face double seal with faces SiC/SiC - SiC/Graphite, viton and API PLAN 53A with barrier fluid water? Pressure 1 bar above product pressure. As it is a horizontal mixer and pumper two seals are needed (one in each side), Is it posible to use only one reservoir for...

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...

Plan 62 with steam water? Regarding the plan 52, with barrier fluid would be appropiate? The same oil to low temperature?

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?

They are using packing and the issue is that they have a configuration of the vessel they change it from inside the vessel. So, I would have to install the cartridge in the shaft but in the inside side and the cartridge will work in reserse, I mean the product would come from the locking ring...

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?

I can not find information about PLAN 66 A or B. Can you send me something?

With PLAN 62, I need some way to know if leakage is produced. If the seal fails, the oil will mix with the steam, so I would have to install some device in the outer connection to check that. Is it correct? What can I install? Another thing. Is The thermic Oil to that temperature good enough to...

Shaft size 30 and 40mm. Plan 02 better than 11?

Is it posible to use API PLAN 62 without using the 11 (from the discharge). Which is the difference between using, also, API PLAN 11 or not in this case? Generate movement inside the chamber to avoid cristal build?

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?

Depending on the housing shape, can you use an stationary part of graphite with O-ring or rubber cup (floating) if the diameter clearance is acceptable? Is there no problems of moving inwardly of the chamber, or the pressure difference make it not posible? Which is the usual interference if...

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...

OK flexibox. Thank you for your help in advanced. Could you explain to me the potencial problems that can happen if using water? I mean, the liquid flash off when entering the quenching area and becomes steam. What is the main difference between using steam or water that becomes steam when...

Do you mean double seal with PLAN 53? Is it a problem that the N2 contaminate the gas if a seal leakage is produced? Why not to use a liquid as a barrier fluid?

If the caustic soda concentration is 50% and considering that the crystallization temperature is of 12ºC for this concentration, according to some documentation I read (?), If the product temperature is about 25ºC, is it necessary the quench? I haven't found any documentation about the...

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?