R290 Systems

[kasperDK]

I like to see all types of R290 systrems that you have experince with

Chillers, Oil return, exp valv, exp systems,level controls, drive conditions.

Our Product program
Chiller
evap: Plate
cond: Plate/Aircondenser
exp:danfoss exp valve
55 Kw-330kw @ 0C/35C
No oil return

[US Iceman]

Flooded shell & tube evaporator + flash tank + two engine driven twin screw compressors + air cooled oil coolers for natural gas processing facility

recip. compressors + air-cooled condenser + thermosiphon oil & head cooling for off-shore platform used to cool a membrane for CO2 removal from natural gas supply

Gas compression compressor (twin-screw & propane) all explosion proof for gas processing facility

Just to name a few...

All were intrinsically safe.

[TXiceman]

Gas engine drives, steam turbine drives as well as electric motor drives. Air cooled condenser, water cooled condensers and evaporative cooled condensers.

I had used oil flooded twin screw compressor, recip compressors and centrifugal compressor, ranging from 50 HP up to 6500 HP.

Most all are Class 1, group C&D, Division 2 area classification and a few are Division 1.

The smaller units are skid mounted and factory assemblied and the larger ones are partially field erected.

The uses are in gas processing facilities, refineries and chemical plants. Most are due to having propane in the plant as a normal part of the process. many do not use refrigerant grade and use HD-5 grade of propane as it is more readily available. The HD-5 grade is about 95% propane and has some light ends and some heavy ends. The light ends effect the partial pressure and cause a higher than normal condensing pressure which draws more HP in the compressor.

A few projects are also on propane storage caverns, propane barges and propane land based storage facilities. We also have propane refigeration/recovery equipment on off shore production platforms.

Ken

[SANJEEV KUMAR]

procedure to charge hc blend in r12 refrigerator and operating pressure of the same.

[TXiceman]

I don't understand your question?

Ken

[Josip]

Hi, Sanjeev Kumar :)

procedure to charge hc blend in r12 refrigerator and operating pressure of the same.

Are you asking about retrofit R12 system with another refrigerant (R134a)
http://www.shoptrac.com/r12retro.htm
http://www.google.com/url?sa=t&ct=res&cd=1&url=http%3A%2F%2Fwww.danfoss.com%2FNR%2Frdonlyres%2FDFCFCF84-1CE8-4ECB-939F-AC8437CD1C41%2F0%2F083_FN_Danfosscompressors.pdf&ei=37RmRQyZlp0DkqaEpgw&usg=__lQb5k3YnG963SK1NlYFhQ07swyw=&sig2=D9Mz3gKO5cA3t05YeQI8Ww


Best regards, Josip :)

[Makanic]

Hydrocarbon Link of interest
click into Hr12 for a tempreture pressure chart
for the r12 replacement
http://www.hychill.com.au/tech/


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