Instrument Air Compressor
2009-09-08 14:59:00 Recently we installed an instrument air compressor at our plant, the compressor is of type GA37+ and having a dryer Donalson Ultrafilters. The package was left idle for more than one year before being started where the humidity & moisture content is very high at this time of the year. An al
Lube Oil Drainage and Reciprocating Compressor
2009-09-08 10:45:00 DEAR SIR , I AM WORKING IN COMPRESSOR INDUSTRY. RECENTLY WE HAVE OFFLOADED CONSOLE TO OUTSIDE PARTY THEY ARE PROVIDING ONLY DRAIN RIM TYPE SYSTEM. I WISH TO KNOW ABOUT DRAINAGE SYSTEM- DRAIN RIM TYPE AND WORKING PLATE FORM ON CONSOLE( CONSOLE SIZE 1800 MM X 1900 MM). CONSO
MTBF - Atlas Copco ZR4 Screw Air Compressor
2009-09-02 02:16:00 We have x4 Atlas Copco ZR4 air compressors, and I was interested to know if any engineers have some data on MTBF.Our compressors are about 15 years old, and have been worked hard. many thanks
Minimun Operating Pressure for 7Kg/cm² Screw Compressor
2009-09-01 12:02:00 Hi All, May i know why designed 7kg/cm² screw type air compressor not advisable to operate below 4.5kg/cm² ? There is a time i have an wrong perception that if i run under pressure (4.5kg/cm² of 7kg/cm²) i will get more air volume ? Pls advise me why i cant do that ? Thank
Minimum Operating Pressure for 7Kg/cm² Screw Compressor
2009-09-01 12:02:00 Hi All, May i know why designed 7kg/cm² screw type air compressor not advisable to operate below 4.5kg/cm² ? There is a time i have an wrong perception that if i run under pressure (4.5kg/cm² of 7kg/cm²) i will get more air volume ? Pls advise me why i cant do that ?
Need to Buy Air Compressor!
2009-08-27 09:44:00 Hello dear friends! How is going there?? My one of my friends has a packing factory and he need to buy a new one air compressor, and he asked me to chose one. But i am not so familiar with air compressor. So can you help how to chose a properly one for him. He has 6 machine of p
Barrel Compressor Resources
2009-08-23 05:27:00 Hi, all. I'm a Millwright, and have worked on quite a few Centrifugal Compressors in the Plants, as well as Recips. One style I haven't worked on however, is the Barrel Compressor. I know it basically is a Centrifugal, but it does have it's differences, I'm sure. I googled "Barrel Compressor
Compressor Power Consumption Ratio
2009-08-12 19:28:00 In compressors, say, reciprocating type, were there any studies made and established, on 'Consumption Ratio between 'The power consumed by dynamic parts : The power required rise the pressure (pneumatic demand)'. Efficiency = Output / Input. Then, am I right by saying, Power Consumption Ra
reciprocating compressor(single acting) problem
2009-08-03 12:44:00 folks,is it true in its entirety that crosshead is only design for double acting,can't single acting reciprocating compressor be incoporated with crosshead?
Reciprocating Compressor Problem
2009-08-03 12:44:00 Folks, is it true in its entirety that crosshead is only design for double acting? Can't single acting reciprocating compressor be incoporated with crosshead?
Air Receiver Size for Compressor
2009-07-30 13:08:00 Dear All, I have 2 units of centrifugal compressor with 50m³/min which is equal to 100m³/min at 70Psi for my glass forming processing machines. Right now i have 2 units of 3m³ air receiver tanks which is connected via dia 6 inch pipe with distance of 10m away from compressors unit.
Compressor standard Conditioning & Monitering checking sheet
2009-07-20 09:11:00 Hello friends ,, I need help of the compressor master now.... can you please give me a standard Conditioning & Monitering checking sheet which was usfull for all type of compressor... in daily reporting ???? thanks in advance.... BHargav Thakkar
Centrifugal Compressor Parallel Operation
2009-07-15 11:11:00 Hi All, In my glass container production plant,we have few type od air compressor install at various air compressor plant (few compressors in a group to get as shorten distance to plant). Now i have 3 unit of different capacity and brand centrifugal air compressor which is capacity
IGV - Centrifugal Compressor
2009-07-14 10:30:00 Dear All, I am just thinking How & why we are getting different performance curves with IGV Angle +10 and (-) 10 degree. As at 0 (Zero) degree - IGV will be fully open. Now, I move +/- 10 Degree on both side, IGV Opening area will remain same, than why we have diff. o
air compressor conversion to electric generator
2009-07-10 01:46:00 how to convert that machine INGERSOLL RAND 185 PORTABLE AIR COMPRESSOR CUMMINS DIESEL ENGINE too AN ELECTRIC GENERATOR
Using an Air Compressor as an Electric Generator
2009-07-10 01:46:00 how to convert that machine INGERSOLL RAND 185 PORTABLE AIR COMPRESSOR CUMMINS DIESEL ENGINE too AN ELECTRIC GENERATOR
Reciprocating Compressor
2009-07-08 14:16:00 I am working for one proposal and Observed the following requirements in Reciprocating compressor data sheet of Client : - "In one data sheet prepared by BECHTEL for reciprocating compressor ask : HTSA Calculation no: 1083416 " any one aware about HTSA ?? Would be happy to
Tip speed - Centrifugal Compressor/Blower/Fans.
2009-07-08 07:34:00 What is the important of Tip speed for the selection of subject items ?? What is the limit of Tip speed for Impeller of Compressor/Fan/Blowers ?? Tip speed is direcly related to Diemeter and speed. Diff. vendors have diff. combination of both Speed and Diemeters of Impeller that results in
Rewiring a Compressor Motor
2009-06-24 14:48:00 can anyone help me.i have an air compressor motor and want to rewire it so that it can generate 220v at low RPM
Air Compressor Questions
2009-06-22 18:39:00 Compressed air from the receiver discharge port size 3/4 inch diameter is discharging continuously in atmosphere to get Mach Number 0.7. How much be 1. the working pressure of receiver and maximum capacity of receiver. 2. discharge rate in CFM or l/s. 3. capacity of compr
Compressor
2009-06-12 08:28:00 What will be the approx.temp of air discharging from aftercooler in case of two stage double acting compressor?
Ammonia Compressor Failure
2009-06-09 06:15:00 We have a Air Separation Unit or in short they call it ASU. This plant is to produce Oxygen and Nitrogen gases. In the plant, we have ammonia refrigeration system in the ASU Plant. The reciprocating compressor were made by Bitzer with model no: W6GA-K. Total, we have 3 units where 2 units will be op
Changing the Voltage for an Air Compressor
2009-06-05 16:17:00 I have I have air compressor it s 380 volt how can I change it to 230 volt ( it s 3 phs)
Air Conditioning Compressor
2009-06-04 16:15:00 Can the compressor on a house air conditioner be replaced with a standard compressor pump like you would get from Northern Tool. I'm wanting to go with an external motor type compressor that could be used with a steam engine. I've seen commercial refrigeration units with external motors and didn't k
atomizing air compressor suppliers
2009-05-28 14:41:00 Can anyone recommend suppliers for gas turbine atomizing air compressors, similar to an Atlas Copco SC-6
Air compressor capacity
2009-05-27 00:11:00 about 26 outlet to provide for a trade institution what is the capacity of compressor to be selected and accessories also how much it cost
Reciprocating Compressor Control
2009-05-18 19:24:00 Dear All, In our plant , there are two reciprocating compressors for service of Nitrogen compression in order to have High Pressure Nitrogen. At the discharge point there is a drum before the users' headers. However, due to the nature of the users the flowrate and as a result the pressure is h
How to Determine Air Compressor Capacity
2009-05-13 08:40:00 Hi All Gurus, May i know when we buy an air compressor, the rated capacity (air volume) is base on Atmosphere pressure or at rated pressure. Example : 100Nm³/min at 7Kg/cm² What it mean ? inlet pressure at atmosphere & volume or output pressure & volume at 7Kg/cm².
Piston displacement of an Air compressor..
2009-05-12 08:54:00 Hi all! Is the piston displacement (liter/sec) is equivalent to FAD (liter/sec) of an air compressor. The brand that im telling here is the ATLAS COPCO. Because on their technical specs, they used FAD and sometimes PISTON DISPLACEMENT. Thanks Joseph
Air compressor capacity..
2009-05-09 08:04:00 Hi everybody! I just want to ask about the correct type of compressor i will be using. I have an automotive repair shop and consist of four bays. The required air pressure is 200 psi each bay. What is the size of compressor im going to buy, also the size of pipe to be used and what is the material.
Can a pump used as compressor and vice versa
2009-05-05 08:59:00 Can anyone tell me whether a pump can be used as compressor and vice versa. If not why? What wiil happen if i compress a gas in the reciprocating pump used for liquid service.
Using a Pump as a Compressor
2009-05-05 08:59:00 Can anyone tell me whether a pump can be used as compressor and vice versa. If not why? What wiil happen if i compress a gas in the reciprocating pump used for liquid service.
Air Conditioners: Is the Compressor Too Big?
2009-04-30 16:26:00 Is it OK to use a 2 ton Compressor/condenser with a 1.5 ton air handler [evaporator coil] if you add an expansion valve and slow down the fan speed?
Troubleshooting a Scroll Compressor
2009-04-30 14:29:00 ZR11M Scroll Compressor - Unit controller display shows a message of Compressor HP what is the reason and solution?
refrigeration hermetic compressor
2009-04-29 06:36:00 Why some refrigeration hermetic compressors has five tubes and others only three. what Operational reason justifies it ?
compressor
2009-04-27 00:41:00 what is the main function of intercooler in reciprocating air compressor. If intercooler is not present then what happen.
How to Rehab an Air Compressor
2009-04-22 19:01:00 I mentioned a few days ago that I've been getting my garage in order in preparation for the eventual day when we have warm weather again in Vermont, and one task that I've busied myself with lately is the rehab of an old Speedaire compressor that Lentinello gave me a while back when he bought
Compressor Actual CFM discharge
2009-04-22 18:26:00 I have one compressor having a capacity of 750 scfm at 75% efficiency, ambient temperature is 50 Degree centigrade, what will be my compressor's discharge rate if the discharge pipe size is 2" NB or how many percent of my compressor's cfm capacity can be supply to my receiver? Thanks, Seth
Fuel Gas Compressor Cylinder Knocks
2009-04-22 14:01:00 As mentioned above we heared knocks in the cylinder of our fuel gas compressor so pls give advise to solve this problem, also we sufering from condensate in compressor suction system, we schedualed program for drainge.
Centrifugal Compressor
2009-04-19 09:16:00 Can anyone of you explain me what is "Polytropic" and "Polyropic Head" in a centrifugal compressor
Reciprocating Compressor - Purging the Lube System of Air
2009-04-09 18:55:00 I'm writing a procedure for an old recip compressor going into a new service and for commissioning, we need to purge the lube system of air. I'm assuming that the best way to do this is to use the hand pump and open the filter bleed to purge air out of that section and then open a bleed on the end
Compressor Load Sharing
2009-03-30 16:56:00 hi every body Can any one give me brief idea about compressor load sharing ? How is it performed from the instrumentation and control side of view? regards
Sizing a Compressor
2009-03-27 09:29:00 Somebody help me,, How to sizing compressor and how to select the appropriate type for compressor type? Is there any rule of thumb to select type of compressor? Thanks,
How to Select a Compressor
2009-03-23 14:39:00 what are the criteria that should considered when selecting a compressor, eg- piston or screw, capacity selection etc...
DOL starter for 75kw Chiller compressor
2009-03-18 03:08:00 Dear All electrical specialist, One of my client has requested me to install DOL starter for his chiller compressor 75kw 380v 3phase 60Hz. His main power supply is from 1000 Kva 380V 3ph 60Hz diesel generator,which is already at 600 Ampere loaded. Can i install DOL starter for this 75kw Ch
Compressor Switching
2009-03-17 15:43:00 I have a 240 V (2 ampere) compressor that I want to turn on and off using a voltage of 1.8V and 0V respectively. Can anyone recommend the simplest way of doing this preferably with a commercially available device. All responses welcome.
Color Change in Oil for Single Screw Air Compressor
2009-03-04 14:28:00 Hi, I met a problem, the colour of my single screw air compressor oil changed to violet after running about 1000h. the oil is composed of hydrocrack base stocks and some antioxidants/antiwears. what caused the colour change?
TO KNOW THE COMPRESSOR EFFICIENCY FORMULA
2009-02-25 10:50:00 Dear sir, Sir i want to know the compressor efficiency formula if i have the following datas only with me (Comperssor capacity, Resrvior capacity, Compressor loading & unloading time). Pl send the answer. Regards, R. Karthikeyan.
Reciprocating Compressor
2009-02-23 09:59:00 Why the clearance between the piston and cylinder in the top dead centre side of a reciprocating air compressor is maintained more than the clearance in the bottom dead centre |
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