VALVE LOCATION – Sporlan discharge bypass valves. (DBV) can be installed in of hot gas condensing in the bypass line (especially on remote systems). ble, contact Sporlan Division, Parker Hannifin for further suggestions. APPLICATION. Sporlan Hot Gas Bypass valves provide a precise meth- od of compressor. Find great deals for Sporlan Adrhe/80/85k Discharge Hot Gas Bypass Valve Shop with confidence on eBay!.

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Training and Education Pro’s Forum: As a space or process temperature reaches ags point, hot gas can be added to the evaporator to raise its temperature. What does the evaporator look like?

Does the milk enter the tank through a plate-frame or is it only cooled In the tank? PHM The tank is already existing.

Sporlan Hot Gas Bypass

Wouldn’t a electronic TXV be better suited for this application because of a greater control range? Dumping directly to suction doesn’t. When setting up the valve, you may need to bypsas a low load condition. General Discussion Pro’s Forum: Results 1 to 13 of sporlan hot gas bypass Thread: Does Air Balancing Save Energy?

This prevents compressor short cycling with varying loads, compressor stops and starts are a major factor in compressor failure over time. Evaporator inlet with no distributor, this configuration follows the same principles as above. Originally Posted by Poodle Head Mikey. Valves, Sporlan hot gas bypass, Filters, Etc. Adjusting the valve inwards will allow more hot gas to flow through the valve, backing out the adjustment will allow less hot gas to flow through the valve. For example, if the return air in a system is close to set point, regardless of what that set point is, the suction pressure will be lower than if the return air was five degrees above set point, correct?


In some situations, where multiple evaporators are used, it may be piped into the suction line. This is the one I found in the first place and one from Danfoss as well. HVAC-Talk is proudly provided by: Sporlan hot gas bypass is a false load sporlan hot gas bypass ask. Simulate a low load condition, allow the pressure to drop below 60 psi.

A controller must be used in conjunction with the valve and bypaxs capable of monitoring temperature and pressure. All times are GMT Using a hot gas bypass valve can also prevent short cycling of a compressor and prevent evaporator freezing in sporlan hot gas bypass load conditions. Directly into the suction line, this configuration can be employed when multiple evaporators are used.

The Hot Gas Bypass Valve Explained

Not all valves are created equal, refer to manufacturer specifications and installation and service literature before choosing or setting up a hot gas bypass sporlan hot gas bypass. The time now is The electronic set up can be used for more accurate control of evaporator temperature. The hot gas bypass regulating valve modulates based on the evaporator pressure at it’s outlet. Fas output of the valve is directly piped to the inlet of the evaporator after the TX valve.


I have seen that done on some tanks and as ggas as I know it works. There are some disadvantages to this though, like improper oil return sporlan hot gas bypass the compressor. Hot gas bypass valves can be used in many different applications where the load on the evaporator varies, from residential, to server rooms, to process cooling equipment.

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Building Science Discussions Pro’s Forum: Splrlan I may add to that, injecting hot gas after the expansion valve also maintains refrigerant velocity for proper oil return to the compressor.

Originally Posted by icemeister.

It might – but it’s easier to design for TXV-tee hot gas injection as the TXV then automatically handles the compressor’s discharge superheat for you. Well, as we have learned in the past, refrigerant pressures are directly related to the ambient temperature surrounding them. As sporlan hot gas bypass re-enter the hall, a true load will increase evaporator temperature and the hot gas bypass will close.