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5/26/2018 Technical Particulars for Air Compressor
1/20Page 1 of 20
1
2
Schedule
Schedule
Air Receiver
Air Compressor , Stationery With After Cooler
Capacity (Cu.Mtr) Max. Working Pressure
Indicative Rated Pressure Type of Compressor Type of Prime MoverMinimum FAD Kg/Sq.Cm.(Cu. Mtr/Minute)
Technical Particulars For Air Compressor
For RC Period (01-08-2013 To 31-07-2014)
Generated on: March 6, 2014 10:12 PM N
0.25 12.5
0.5 12.5
0.5 7
0.5 10
0.75 12.5
1.0 12.5
1.0 7
1.0 10
1.5 12.5
1.5 7
1.5 10
2.0 12.5
2.0 7
2.0 10
3.0 12.5
3.0 7
3.0 10
4.0 12.5
4 7 Reciprocating SPDP Electric Motor
4 7 Reciprocating TEFC Electric Motor
1
2
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1
2
NOS.
NOS.
Unit :
Unit :
5/26/2018 Technical Particulars for Air Compressor
2/20Page 2 of 20
4 7 Rotary Screw SPDP Electric Motor
4 7 Rotary Screw TEFC Electric Motor
5.1 7 Reciprocating SPDP Electric Motor
5.1 7 Reciprocating TEFC Electric Motor
5.1 7 Rotary Screw SPDP Electric Motor
5.1 7 Rotary Screw TEFC Electric Motor
6.1 7 Reciprocating SPDP Electric Motor
6.1 7 Reciprocating TEFC Electric Motor6.1 7 Rotary Screw SPDP Electric Motor
6.1 7 Rotary Screw TEFC Electric Motor
7.1 7 Reciprocating SPDP Electric Motor
7.1 7 Reciprocating TEFC Electric Motor
7.1 7 Rotary Screw SPDP Electric Motor
7.1 7 Rotary Screw TEFC Electric Motor
8.1 7 Reciprocating SPDP Electric Motor
8.1 7 Reciprocating TEFC Electric Motor
8.1 7 Rotary Screw SPDP Electric Motor
8.1 7 Rotary Screw TEFC Electric Motor
9.1 7 Reciprocating SPDP Electric Motor
9.1 7 Reciprocating TEFC Electric Motor
9.1 7 Rotary Screw SPDP Electric Motor
9.1 7 Rotary Screw TEFC Electric Motor
10.1 7 Reciprocating SPDP Electric Motor
10.1 7 Reciprocating TEFC Electric Motor
10.1 7 Rotary Screw SPDP Electric Motor
10.1 7 Rotary Screw TEFC Electric Motor
11.1 7 Reciprocating SPDP Electric Motor
11.1 7 Reciprocating TEFC Electric Motor
11.1 7 Rotary Screw SPDP Electric Motor
11.1 7 Rotary Screw TEFC Electric Motor
16.1 7 Reciprocating SPDP Electric Motor
16.1 7 Reciprocating TEFC Electric Motor
16.1 7 Rotary Screw SPDP Electric Motor
16.1 7 Rotary Screw TEFC Electric Motor
21.1 7 Reciprocating SPDP Electric Motor
21.1 7 Reciprocating TEFC Electric Motor
21.1 7 Rotary Screw SPDP Electric Motor
21.1 7 Rotary Screw TEFC Electric Motor
26.1 7 Reciprocating SPDP Electric Motor
26.1 7 Reciprocating TEFC Electric Motor
26.1 7 Rotary Screw SPDP Electric Motor
26.1 7 Rotary Screw TEFC Electric Motor30 7 Reciprocating SPDP Electric Motor
30 7 Reciprocating TEFC Electric Motor
30 7 Rotary Screw SPDP Electric Motor
30 7 Rotary Screw TEFC Electric Motor
3.1 8.7 Reciprocating SPDP Electric Motor
3.1 8.7 Reciprocating TEFC Electric Motor
4.9 8.7 Reciprocating SPDP Electric Motor
3
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1011
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5/26/2018 Technical Particulars for Air Compressor
3/20Page 3 of 20
3Schedule Air Compressor , Stationery Without After Cooler
Indicative Rated Pressure Type of Compressor Type of Prime MoverMinimum FAD Kg/Sq.Cm.(Cu. Mtr/Minute)
4.9 8.7 Reciprocating TEFC Electric Motor
5.8 8.7 Reciprocating SPDP Electric Motor
5.8 8.7 Reciprocating TEFC Electric Motor
4 7 Reciprocating SPDP Electric Motor
4 7 Reciprocating TEFC Electric Motor
4 7 Rotary Screw SPDP Electric Motor
4 7 Rotary Screw TEFC Electric Motor
5.1 7 Reciprocating SPDP Electric Motor
5.1 7 Reciprocating TEFC Electric Motor
5.1 7 Rotary Screw SPDP Electric Motor
5.1 7 Rotary Screw TEFC Electric Motor
6.1 7 Reciprocating SPDP Electric Motor
6.1 7 Reciprocating TEFC Electric Motor
6.1 7 Rotary Screw SPDP Electric Motor
6.1 7 Rotary Screw TEFC Electric Motor7.1 7 Reciprocating SPDP Electric Motor
7.1 7 Reciprocating TEFC Electric Motor
7.1 7 Rotary Screw SPDP Electric Motor
7.1 7 Rotary Screw TEFC Electric Motor
8.1 7 Reciprocating SPDP Electric Motor
8.1 7 Reciprocating TEFC Electric Motor
8.1 7 Rotary Screw SPDP Electric Motor
8.1 7 Rotary Screw TEFC Electric Motor
9.1 7 Reciprocating SPDP Electric Motor
9.1 7 Reciprocating TEFC Electric Motor
9.1 7 Rotary Screw SPDP Electric Motor
9.1 7 Rotary Screw TEFC Electric Motor
10.1 7 Reciprocating SPDP Electric Motor
10.1 7 Reciprocating TEFC Electric Motor
10.1 7 Rotary Screw SPDP Electric Motor
10.1 7 Rotary Screw TEFC Electric Motor
11.1 7 Reciprocating SPDP Electric Motor
11.1 7 Reciprocating TEFC Electric Motor
52
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54
12
3
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8
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30
NOS.Unit :
5/26/2018 Technical Particulars for Air Compressor
4/20Page 4 of 20
4Schedule Mobile Air Compressors
Indicative Rated Pressure Type of Compressor Type of Prime Mover AltitudeMinimum FAD Kg/Sq.Cm. up to ((Cu.Mtr/Mi Meters)nute)
11.1 7 Rotary Screw SPDP Electric Motor
11.1 7 Rotary Screw TEFC Electric Motor
16.1 7 Reciprocating SPDP Electric Motor
16.1 7 Reciprocating TEFC Electric Motor
16.1 7 Rotary Screw SPDP Electric Motor
16.1 7 Rotary Screw TEFC Electric Motor
21.1 7 Reciprocating SPDP Electric Motor
21.1 7 Reciprocating TEFC Electric Motor21.1 7 Rotary Screw SPDP Electric Motor
21.1 7 Rotary Screw TEFC Electric Motor
26.1 7 Reciprocating SPDP Electric Motor
26.1 7 Reciprocating TEFC Electric Motor
26.1 7 Rotary Screw SPDP Electric Motor
26.1 7 Rotary Screw TEFC Electric Motor
30 7 Reciprocating SPDP Electric Motor
30 7 Reciprocating TEFC Electric Motor
30 7 Rotary Screw SPDP Electric Motor
30 7 Rotary Screw TEFC Electric Motor
0.17 10 Reciprocating TEFC Electric Motor
0.27 10 Reciprocating TEFC Electric Motor
0.42 10 Reciprocating TEFC Electric Motor
0.59 10 Reciprocating TEFC Electric Motor
0.74 10 Reciprocating TEFC Electric Motor
1.14 10 Reciprocating SPDP Electric Motor
1.14 10 Reciprocating TEFC Electric Motor
1.52 10 Reciprocating SPDP Electric Motor
1.52 10 Reciprocating TEFC Electric Motor
1.72 7 Reciprocating SPDP Electric Motor
1.72 7 Reciprocating TEFC Electric Motor
2.10 10 Reciprocating SPDP Electric Motor
2.10 10 Reciprocating TEFC Electric Motor
4 7 Rotary Screw SPDP Electric Motor
4 7 Rotary Screw TEFC Electric Motor
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NOS.Unit :
5/26/2018 Technical Particulars for Air Compressor
5/20Page 5 of 20
4 7 Rotary Screw Diesel Engine Naturally Asp 500 M
4 7 Rotary Screw Diesel Engine Turbo Charged 500 M
5.1 7 Rotary Screw SPDP Electric Motor
5.1 7 Rotary Screw TEFC Electric Motor
5.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
5.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
6.1 7 Rotary Screw SPDP Electric Motor
6.1 7 Rotary Screw TEFC Electric Motor
6.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
6.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
7.1 7 Rotary Screw SPDP Electric Motor
7.1 7 Rotary Screw TEFC Electric Motor
7.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
7.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
8.1 7 Rotary Screw SPDP Electric Motor
8.1 7 Rotary Screw TEFC Electric Motor
8.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
8.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
9.1 7 Rotary Screw SPDP Electric Motor
9.1 7 Rotary Screw TEFC Electric Motor
9.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
9.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
10.1 7 Rotary Screw SPDP Electric Motor
10.1 7 Rotary Screw TEFC Electric Motor
10.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
10.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
11.1 7 Rotary Screw SPDP Electric Motor
11.1 7 Rotary Screw TEFC Electric Motor
11.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
11.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
16.1 7 Rotary Screw SPDP Electric Motor
16.1 7 Rotary Screw TEFC Electric Motor
16.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
16.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
21.1 7 Rotary Screw SPDP Electric Motor
21.1 7 Rotary Screw TEFC Electric Motor
21.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
21.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
26.1 7 Rotary Screw SPDP Electric Motor
26.1 7 Rotary Screw TEFC Electric Motor
26.1 7 Rotary Screw Diesel Engine Turbo Charged 500 M
26.1 7 Rotary Screw Diesel Engine Naturally Asp 500 M.
30 7 Rotary Screw SPDP Electric Motor ------
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5/26/2018 Technical Particulars for Air Compressor
6/20Page 6 of 20
5
6
Schedule
Schedule
Refrigerated Air Dryer
Heatless Air Dryer
Air Flow Capacity (Minimum/CFM) Air Flow Capacity(Minimum/M3/M)
Air Flow Capacity (Minimum/CFM)
30 7 Rotary Screw Diesel Engine Turbo Charged 500 M
30 7 Rotary screw TEFC Electric Motor -----
30 7 Rotary screw Diesel Engine Naturally Asp 500 M
20 0.57
30 0.85
40 1.1350 1.42
100 2.83
125 3.54
150 4.25
200 5.66
250 7.08
300 8.49
350 9.91
400 11.55
500 14.16
650 18.41
45
100
150
200
46
47
48
1
2
34
5
6
7
8
9
10
11
12
13
14
1
2
3
4
NOS.
NOS.
Unit :
Unit :
5/26/2018 Technical Particulars for Air Compressor
7/20Page 7 of 20
7
8
Schedule
Schedule
Air Filter
Safety Valves
Size (Inches) Size (mm) Filteration Efficiency
Size (Inches) Size (mm)
3/8" 10 3 to 5 micron
3/8" 10 1 micron
3/8" 10 0.01 micron
1/2" 15 3 to 5 micron
1/2" 15 1 micron
1/2" 15 0.01 micron
3/4" 19(20) 3 to 5 micron
3/4" 19(20) 1 micron
3/4" 19(20) 0.01 micron1" 25 3 to 5 micron
1" 25 1 micron
1" 25 0.01 micron
1 1/2" 40 3 to 5 micron
1 1/2" 40 1 micron
1 1/2" 40 0.01 micron
2" 50 3 to 5 micron
2" 50 1 micron
2" 50 0.01 micron
1/2" 15
3/4" 20
1" 25
1 1/2" 40
2" 50
2 1/2" 65
3" 80
1
2
3
4
5
6
7
8
910
11
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18
1
2
3
4
5
6
7
NOS.
NOS.
Unit :
Unit :
5/26/2018 Technical Particulars for Air Compressor
8/20Page 8 of 20
9
10
Schedule
Schedule
Receiver Gauge
After Cooler with working pressure up to 16 bar
Dial Size(mm)
CFM Cubic Metre per hour
NOTE TO TENDRER:A. Tenderers shall quote separately for each of the configuration/combination ofCompressor. They shall declare complete technical details of each of the variantsoffered as per Questionnaire attached.
B. The tenderers are required to furnish a complete list of bought out items on aSeparate sheet titled 'BOUGHT OUT ITEMS" with the relevant governing ISS, source, makemodel No. etc. Diesel engine up to 20 KW shall be ISI marked, and engines above 20 KWshall be as per IS: 10002:1981 and Turbo Charged Engine shall be as per IS:13018/1990(Reaffirmed 2000).
50 mm
63 mm
100 mm
150 mm
50 85
100 170
200 340
250 425
400 680
500 850
750 1274
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3
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NOS.
NOS.
Unit :
Unit :
5/26/2018 Technical Particulars for Air Compressor
9/20Page 9 of 20
C. The bid shall accompany the technical literature/catalogues of the model offeredgiving the salient features of the product.
D. The tenderers shall quote only their standard/established model which are in theirrange of production.
E. Standard accessories which will form part of supply shall also be listedalong with each model of compressor.
F. Operation & maintenance instruction manuals shall be included in the supplies.
G. Engine shall be applicable so as to give required FAD (Free Air Delivery) at ratedpressure at 500 Meter altitude.
H. The Manufacturer/tenderers shall declare the required power rating of the dieselengine or electric motor required for delivering the required FAD at the rated pressureand same shall be incorporated in the contract.
I. Tenderer shall indicate the minimum and maximum temperature and altitudes for whichthe prime mover is suitable to give rated output. This shall be supported bydata/derating chart from prime mover manufacturer.
J. In terms of cl.5 of IS: 6430/85 (Reaffirmed 2007) amdt. no.1&2 tenderers shallindicate the maximum altitude, min/max. temp and relative humidity at which the
equipment offered shall be capable of giving rated output. Power correction factor withcalculations justifying the choice of model of engine with a particular variant of aircompressor shall accompany the offer stipulating the designed shaft power requirementof each model along with power consumed by standard accessories like fan, alternator,intercooler, turbocharger etc. as applicable and the corresponding RPM. The engineshall have class A or B governing as per ISS.
K. The offer shall accompany the catalogue of the engine model suitable for eachvariant of air compressor, along with power output-rpm characteristic curves.
L. The firm may submit their in house type test certificate for different types ofcompressor as per respective governing specification at the time of registration &inspection.
Note to Purchase:-1- The indicative minimum FAD as mentioned under schedules are to facilitate themanufacturer to quote their models in suitable range.2- The Manufacturer shall declare the required power rating of the diesel engine orelectric motor required for delivering the declared FAD by the manufacturer at therated pressure and same shall be incorporated in the contract.
NOTE TO DIRECT DEMANDING OFFICERS:
Information furnished by the firm regarding Sp. fuel consumption at full load/Unloaded condition/ Rate of lubrication oil consumption etc. in QUESTIONNAIRE to betaken into account for selection of compressor based on their requirements includingduty cycle.
5/26/2018 Technical Particulars for Air Compressor
10/20Page 10 of 20
Air Receiver
Air Compressor , Stationery With After Cooler
Air Compressor , Stationery Without After Cooler
Mobile Air Compressors
Refrigerated Air Dryer
Heatless Air Dryer
Schedule
Schedule
Schedule
Schedule
Schedule
Schedule
Specification :Air Receiver conforming to IS: 7938/1976 (Reaffirmed.2007) and IS:2825/1969( Reaffirmed 2007) with amdt. 1 to 5.
Specification :Reciprocating Air Compressor for Stationary application as per IS:11012/1984 (Reaffirmed 2007) with amdt. No.1 of 1989 and IS: 10962/1984 (Reaffirmed2007 )with amdt. 1 & 2 and for testing & measurement as per IS: 5456/1985 (Reaffirmed2001).
Rotary Screw air compressor as per IS: 11780/1986 (Reaffirmed 2007) forselection and testing of Rotary screw Air compressor (Oil-flooded) with standardaccessories & as per specification under General Technical Requirements.
Specification :Reciprocating Air Compressor for Stationary application as per IS:11012/1984 (Reaffirmed 2007) with amdt. No.1 of 1989 and IS: 10962/1984 (Reaffirmed2007 )with amdt. 1 & 2 and and for testing & measurement as per IS: 5456/1985(Reaffirmed 2001). Rotary Screw air compressor as per IS: 11780/1986 (Reaffirmed 2007) forselection and testing of Rotary screw Air compressor (Oil-flooded) with standardaccessories & as per specification under General Technical Requirements.
Specification :Mobile Air Compressor for constrction Purposes conforming to IS:6430/1985 Reaffirmed 2007) with Amdt. No. 1 & 2, and IS: 11780/1986 (Reaffirmed 2007)for selection and testing of Rotary Screw Air Compressor (oil flooded) with standardaccessories & as per specification under General Technical Requirement
Specification :1. Working Pressure : Min. 4Kg/cm2, Max.12.5 Kg/cm2.2. Design Pressure : 16 Kg3. Air Inlet Temperature: Min.20 degree. C., Max. 50 degree C.4. Ambient Temperature : Min. 10 degree. C, Max. 45 degree. C.5 Pressure Dew Point + 3 degree C.
Specification :1. Design Pressure: 16 Kg2. Working Pressure 12Kg/cm23. Air Inlet Temperature: Max. 50 degree C.4. Ambient Temperature.5. Pressure Dew Point - 40 degree C.
Detailed Specification
1
2
3
4
5
6
5/26/2018 Technical Particulars for Air Compressor
11/20Page 11 of 20
Air Filter
Safety Valves
Receiver Gauge
After Cooler with working pressure up to 16 bar
Schedule
Schedule
Schedule
Schedule
Specification :1. Working Pressure max. 16Kg/cm2 (232 psig).2. Flow Rate 18cfm to 620 cfm /31 cubic metre per hour(M3/H) to 1055 cubic metre perhour(M3/H).3. Type of Filter & Filtration Range 3 to 5 micron, 1 micron, 0.01 micron.4. Maximum Operating Temperature 80 degree C.5. Test Pressure 60 bar.
Specification :1. Max Working Pressure 300psi(21.09Kg/cm2)2. Working Temperature 250 degree C.3. Testing as per IS: 12992 (Pt.I) 1993, R.A. 2006, IS: 12992(Pt.II) 1990.
Specification :As per the requirement of Air Receiver Gauge.
Specification :As per IS:4503/1967 (Reaffirmed 2003).
7
8
9
10
5/26/2018 Technical Particulars for Air Compressor
12/20Page 12 of 20
Air Compressor , Stationery With After CoolerSchedule
Questionnaire
Make & Model of Air Compressor:
Type of compressor (Reciprocating/ Rotary Screw):
Air receiver capacity (Standard supply):
(a) No of Stages ( Of commpressor) :(b) No of cylinders/Screws:
FREE AIR DELIVERYa. Min. guarantee FAD, Cu.m/min. at ------ Kg/cm2 (Gauge pressure)b. Oil content, ppm:c. Moisture content, ppm:d. Fad converted in standard conditions at rated pressure at 27 deg. C:
Power (Shaft) required for the air compressor and the corresponding KW: at ----rpm.
Power consumed by fan inter-cooler, Flexible coupling etc. of
compressor if not included in cl.6 above (KW):Max. working pressure and duration for which the compressor can be runcontinuously (Hrs.)
Type and number of valves:
Details of instruments, gauges, safety switches annuciator etc. mountedon the instrument panel.
Facilities for fault diagnosis:
Safety Devices fitted (Give details as under in Tabular form) Make ------- Model------Governing specn-----Deviation. if any --- Remarks.
Temperature Rise of the compressed Air. (Deg. C):
Noise Level of the compressor in dB(A) when tested as per IS:11446:1985 for Stationary compressor:
Background noise level -dB(A):
Method of meaurement of air flow followed (Specify relevant ISS):
If method of measurement of air flow is as per IS1043/1994 (Reaffirmed1999) do you possess calibrated nozzle?
When was the nozzle last calibrated (Give date/Year):
FOR MOTOR DRIVEN AIR COMPRESSOR:
a. Energy consumption at guaranteed FAD (Kw/Cu.m):b. Energy consumption at unloaded condition (kw/hr):
ELECTRIC MOTOR
Make/Model/type:
Motor rated Power (Kw) and RPM:
Operating Voltage:
1.1
2.1
3.1
4.1
5.1
6.1
7.1
8.1
9.1
10.1
11.1
12.1
13.1
14.1
15.1
15.2
15.3
16.1
17.1
a
b
c
5/26/2018 Technical Particulars for Air Compressor
13/20Page 13 of 20
Air Compressor , Stationery Without After CoolerSchedule
Questionnaire
Current (Max.):
Motor input in Kw:
Class of insulation, cooling type & degree of protection:
Efficiency at full and three quarter load:
Power Factor at full and three quarter load:
Details of Starters with overload relays provided:
Power consumed (KW) by fan motor for oil cooler and after cooler:
Specific energy consumption at min. guaranteed FAD Capacity:
Whether motor conforms to IS: 325:1996 with amdt. 1,2 & 3 of IS:12615/2011.
INTER COOLER
Type (Air or Water cooled):
Cooling surface area:
Finned/smooth tube:
Material of tube:
Material of Fins:
Counter current or parallel type:
AFTER COOLER
Type (Air or Water cooled):
Cooling surface area:
Finned/smooth tube:
Material of tube:
Material of Fins:
Counter current or parallel type:
AIR FILTER
Paper material:
Filtration Efficiency:
Make & Model of Air compressor:
Type of compressor (Reciprocating/Rotary Screw):
Air receiver capacity (Standard supply)
No. of Stages (of compressor):
No. of cylinders/Screws:
FREE AIR DELIVERY
Min. guaranteed FAD, Cu.m/min. at ---Kg/cm2 (Gauge Pressure):
Oil content, ppm:
Moisture content, ppm:
d
e
f
g
h
i
j
k
l
18.1
a
b
c
d
e
f
19.1
a
b
c
d
e
f
20.1
a
b
1.1
2.1
3.1
4.1
4.2
5.1
a
b
c
5/26/2018 Technical Particulars for Air Compressor
14/20Page 14 of 20
Fad converted in standard conditions at rated pressure at 27 deg. C:
Power (Shaft) required for the air compressor and the corresponding KW: at ---rpm
Power consumed by fan inter-cooler, Flexible coupling etc. ofcompressor if not included in cl.6 above (Kw):
Max. working pressure and duration for which the compressor can be runcontinuously (Hrs.):
Type and number of valves:
Details of instruments, gauges, safety switches annuciator etc. mountedon the instrument panel:
Facilities for fault diagnosis:
Safety Devices fitted (Give details as under in Tabular form)Make ---- Model --- Governing specn ---Deviation. if any ----Remarks.
Temeprature Rise of the compressed Air. (Deg. C):
Noise Level of the compressor in dB(A) when tested as per IS:11446:1985 for stationary compressor:Background noise level -dB(A)?
Method of measurement of air flow followed (Specify relevant ISS):
If Method of measurement of air flow is as per IS10431/1994 (Reaffirmed1999) do you possess calibrated nozzle?
when was the nozzle last calibrated (Give date/year):
FOR MOTOR DRIVEN AIR COMPRESSOR:
Energy consumption at guaranteed FAD (Kw/cu.m):
Energy consumption at unloaded condition (Kw/hr):
ELECTRIC MOTOR
Make/ Model/type:
Motor rated power (Kw) and RPM:
Operating Voltage:
Current (Max.):Motor input in Kw:
Class of insulation, cooling type & degree of protection:
Efficiency at full and three quarter load:
Power Factor at full and three quarter load:
Details of Starters with overload relays provided:
Power consumed (KW) by fan motor for oil cooler and after cooler:
specific energy consumption at min. guaranteed FAD Capacity:
whether motor conforms to IS:325:1996 with amdt. 1,2 & 3 or IS:12615/2011.
INTER COOLER
Type (Air or Water cooled):
Cooling surface area:
Finned/smooth tube:
Material of tube:
d
6.1
7.1
8.1
9.1
10.1
11.1
12.1
13.1
14.1
15.1
15.2
15.3
16.1
a
b
17.1
a
b
c
de
f
g
h
i
j
k
l
18.1
a
b
c
d
5/26/2018 Technical Particulars for Air Compressor
15/20Page 15 of 20
Mobile Air CompressorsSchedule
Questionnaire
Material of Fins:
Counter current or parallel type:
AFTER COOLER
Type (Air or Water cooled):
Cooling surface area:
Finned/smooth tube:
Material of tube:
Material of Fins:
Counter current or parallel type:
AIR FILTER
Paper material:
Filtration Efficiency:
Make & Model of Air compressor:
Type of compressor (Reciprocating/Rotary Screw):
Prime mover Diesel Engine/ Induction motor:
Mounting:
Soild or Pneumatic Wheels:
Air receiver capacity (Standard Supply):
No. of Stages (of compressor):
No. of cylinders /Screws:
FREE AIR DELIVERY
Min. guaranteed FAD, Cu.m/min. at ---- Kg/cm2 (Gauge Pressure):
Oil content, ppm:
Moisture content, ppm:
FAD converted in standard conditions at rated pressure at 27 deg. C:
Power (shaft) required for the air compressor and the corresponding KW: at ---rpm.
Power consumed by fan inter-cooler, Flexible coupling etc. ofcompressor if not included in cl.6 above (Kw):
Max. working pressure and duration for which the compressor can be runcontinuously (Hrs.):
Type and number of valves:
Details of instruments, gauges, safety switches annuciator etc. mounted
on the instrument panel:
Facilities for fault diagnosis:
Safety Devices fitted (Give details as under in Tubular form)Make----Model----Governing specn---Deviation. if any--Remarks.
Temperature Rise of the compressed Air.(Deg.C):
e
f
19.1
a
b
c
d
e
f
20.1
a
b
1.1
2.1
2.2
2.3
2.4
3.1
4.1
4.2
5.1
a
b
c
d
6.1
7.1
8.1
9.1
10.1
11.1
12.1
13.1
5/26/2018 Technical Particulars for Air Compressor
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Noise Level of the compressor in dB(A) when tested as per IS:11446/1985 for the compressor.Background noise level -dB(A):
Method of measurement of air flow followed (Specify relevant ISS):
If Method of measurement of air flow is as per IS:10431?1994(Reaffirmed 1999) do you possess calibrated nozzle?
When was the nozzle last calibrated (Give date/year)"
FOR MOTOR DRIVEN AIR COMPRESSOR:
Energy consumption at guaranteed FAD (Kw/Cu.m):
Energy consumption at unloaded condition (Kw/hr):
ELECTRIC MOTOR
Make/Model/type:
Motor rated Power (Kw) and RPM:
Operating Voltage:
Current (Max.):
Motor input in Kw:
Class of insulation, cooling type & degree of protection:
Efficiency at full and three quarter load:
Power Factor at full and three quarter load:
Details of Starters with overload relays provided:
Power consumed (KW) by fan motor for oil cooler and after cooler:
specific energy consumption at min. guaranteed FAD Capacity:
Whether motor conforms to IS: 325:1996 with amdt. 1,2 &3 orIS:12615/2011.
DIESEL ENGINE
Make/Model/type:
Rated H.P. (Kw) & RPM:
Power consumed (Kw) by Fan, Alternator, Intercooler, turbocharger etc.(if not included in (b) above)
Whether turbocharged or naturally aspirated:
Type of governing & class as per ISS for Diesel engine.
Cooling system of Engine, whether Air cooled or water cooled:
Specific fule consumption in gms/kw/hr:
fule tank capacity:
Whether Engine is type tested as per IS: 10000 series for Naturallyaspirated and as per IS: 13018:1990 (Reaffirmed 2000) for TurbochargedEngines:
Max. altitude, min/max. temperature & RH at which the min. guaranteedFAD can be obtained from compressor with the Diesel Engine:
Net Power available for input to the compressor at above conditions:
Power correction factors for Altitude, temp, & RH:
INTER COOLER
Type (Air or Water cooled):
14.1
15.1
15.2
15.3
16.1
a
b
17.1
a
b
c
d
e
f
g
h
i
j
k
l
18.1
a
b
c
d
e
f
g
h
i
j
k
l
19.1
a
5/26/2018 Technical Particulars for Air Compressor
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Cooling surface area:
Finned/smooth tube:
Material of tube:
Material of Fins:
Counter current or parallel type:
AFTER COOLER
Type (Air or Water cooled):
Cooling surface area:
Finned/smooth tube:
Material of tube:
Material of Fins:
Counter current or parallel type:
AIR FILTER
Paper material:
Filtration Efficiency:
TRAILER
Weight of Trailer with draw bar:
No. of wheels:
Wheel size/tyre size:
Load carrying capacity of each wheel:
Brake system:
Lighting & safety requirements:
Max. Operating speed in fully load:
Axle weight distrubution:
Turning radius:
Whether complies with CMV Act & regulations (Give details of approval
certificate No & date of STA under MV Act/Rules):BATTERY
Make/ Model of Battery:
Capacity (AH):
No. of plates:
b
c
d
e
f
20.1
a
b
c
d
e
f
21.1
a
b
22.1
a
b
c
d
e
f
g
h
i
j
23.1
a
b
c
5/26/2018 Technical Particulars for Air Compressor
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1) The Air-Compressors shall be supplied with the following :
(Standard Accessories) :i. Safety Valvesii. Pressure gaugesiii. Unloaded valve(for automatic unloading of excess pressure developed)iv. Air receiver of the size required
v. Safety guardsvi. Air filtervii. Inter cooler (Where required)viii. Moisture separatorix. Oil trapx. Pipingxi. Control panelxii. Balanced opposed reciprocating compressor must have step capacity control
and no. of steps provided to be specified.xiii. For screw air compressor, tripping through time delay relay for tripping the machine if run in unloading conditions for five minutes.
2) PRIME MOVER
i. ELECTRIC MOTOR
a) Electric Motor (SPDP / TEFC) shall conform to IS: 325/1996 (Reaffirmed 2007)with amdt. 1, 2&3 or Energy Efficient Induction Motor (SPDP / TEFC) shall conform toIS: 12615/2011(First Revision).These motors shall be suitable for operation on 415 V,3 phase, 50 HZ, AC supply. It shall be complete with overload, under voltage andsingle phasing protection.
b) Power factor of electric motor shall not be less than 0.85, capacitors ofsuitable rating shall be provided to meet this requirement.
c) Degree of ingress protection for Electric motor of (a) above shall IP 23 forSPDP and IP 55 for TEFC as per IS/IEC60034-5(2000). The firm shall produce testcertificate for the same at the time of both registration and inspection.
ii. DIESEL ENGINE:
Diesel engine shall conform to IS: 10001:1981 with amdt. 1 to 4 (Diesel engineup to 20 kw shall be ISI marked), or IS: 10002:1981 with amdt.1 or IS:13018:1990(Reaffirmed 2000) (for turbo-charged Engine). The engine shall have class -Bgoverning as per ISS.The engine shall be complete with all standard accessoriesincluding Lead Acid Storage Batteries conforming to IS: 7372/1995 (Reaffirmed 2009)with amendment 1 to 3 for 12/24 volt electric starting system. For engine upto 30 HPhand starting system shall also be provided. In terms of clause 7.2.3 of IS:6430/85(Reaffirmed 2007) with amdt. No.1&2, a cooling system shall have a separateradiator.
4. TRAILER:
Trailer shall comply with the CMVR Act & Regulation. It shall be complete withreflector/tail light mounted at the back, wheels with pneumatic/soild tyres, leafspring axle. The draw bar shall be of hinged type provided with towing eye. Over-runbrakes and hand operated parking brakes shall also be provided. Tenderers shallprovide G.A drawing of the trailer to the concerned Inspecting officer with proof of
General Technical requirement For TE :
5/26/2018 Technical Particulars for Air Compressor
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approval under M.V. Act /Rules and same shall be required at the time of registrationand inspection.
5. As per clause 9.2 .1 of IS: 6430/1985(Reaffirmed 2007) , it is desirable but notmandatory that the noise Level of compressor unit may be 75 dB + 3 at 7 m distance.Actual noise level shall be specified by the manufacturer.
6.The firm shall submit the technical literature/catalogues of the each model offered,giving salient features of the product.
7. The firm shall quote /tender only their established model in market.
8. Mobility test should be conducted as per IS:6430/1985(Reaffirmed 2001). QA Officershall ensure that during curency of rate contract each model is assessed for this testas and when offered by the firm even if lot size is less than 5.If lot size is morethan five assessment would be done as per governing specificatiob.
9. For mobile compressor ,Performance evaluation of machine should be conducted asper IS: 6430/1985 including operating angle etc as aaceptance tests.
10. Centre of gravity in case of mobile air compressors shall be assessed at 30
degree lateral tilt as per governing specification.
11. The firm may submit their in house type test certificate for different types ofcompressor as per respective governing specification at the time of registration &inspection.
D.P.Mathur
TP Prepared By
ADQA
14-05-2013Date
Name
Desig
TP Scrutenised By
DDQARSP
DY.DIRECTOR
16-05-2013
TP Recommended By
Name R.S.Pandey
Desig DDQA
Date 16-05-2013
TP Approved By
DDG(QA)
16-05-2013
5/26/2018 Technical Particulars for Air Compressor
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DS&D-MumbaiForwarded to(Purchase Dte.):
AC/MB-1/RC-T2030000/0913/2013-2014With Ref. To(Pur. Wing No.):
MUM/TP/MECH/RC-27/Air CompressorQA Wing Ref. No.