Specifications :
Average Solar Absorbtance (ASTM)
a = 0.960 (95.5%)
Average thermal emittance (400C) e = 0.095 (9.5%)
Steel tube outer diameter 70 – 90 mm
Wall thickness 2.0 – 3.0 mm
Length (at 20C ambient temperature) 4.060 mm
Vacuum Residual gas pressure = 10-4 mbar
Glass envelop Borosilicate glass
Outer diameter 125 – 145 mm
Antireflective coating = 95.0% of aperture length
Average solar transmittance t = 0.970 (97%)
HTF Water
Operating pressure = 30 bar
Operating temperature = 400C
Concentration ratio C less than 100
Buyer is interested to receive quotations for the following RFQ -
Product Name : 500W Wind Power Small Wind Turbine
Specifications:
The 3-blade wind turbine needs to be customized with 2 sets of blades, each with different pitch angle. The wind turbine will be used to study wind power under different pitch angles, so the 3-blades should be changed everytime the experiment is done.
Specifications :
Type: Used Portable Gasoline, Diesel Generators, Steam Generators, Power Generators, Engine Generators, Etc.
Heating Media: Thermal Oil Or Hot-water
Condition: New
Capacity: 100-3500 kg/h (Depends)
Use: Industry
Packaging Terms : Standard
Specifications:
- Copper Conductor
70 Mm2 As Per The Following Specs
1) COPPER CONDUCTOR, 70 mm2
QTY needed 5000 meters - 19/2.25 70 SQ.MM. ON DRUMS OF 250 M .
Copper wires shall be stranded annealed wires, manufactured as per IEC 60228. Copper wires shall be round compacted. They shall be easy to use for earthing.
The conductor shall be manufactured and tested in accordance with IEC standards, on wooden drums of the length specified below in meters, in one continuous piece without any joints.
PRICE VARIATION DATA COPPER PRICES
- PRICES BASED ON USD 9600/TON OF COPPER.
Variable Price for copper conductors 70 mm2; respectively, according to the LME (London Metal Exchange) prices.
Specifications :
We Need An Offer Price For (2 Universal Power)
Socket, 1 Network , 2 USB charger, 1HDMI, 3m Power Cord) - Or Without (put 3 Universal)
Please provide a quotation to the following requirement from importer -
Product Name: Voltage Regulator
Specifications:
Details :
1. set Of 10mva(200a) Open Delta Voltage Regulator Unit , 33 Kv With
± 10% Regulation, Complete With
Control Panel And All Accessories As Mentioned In Our Requirements set 1
Technical Specifications
1. scope
This Standard Specifies The Requirements For Automatic Voltage Regulators For Use On Ohl 33kv Electricity Distribution Network.
2. system Parameters
(a) nominal Voltage - 33kv
(b) system Highest Voltage - 36kv
(c) system Frequency - 50hz
(d) number Of Phases - 3
(e) method Of Earthing - Resistance
(f) system Fault Current - 25 Ka
3. service Conditions
(a) annual Average Ambient Temperature: 30oc
(b) maximum Ambient Temperature: 50oc
(c) maximum Relative Humidity: 90%
(d) environmental Conditions: Tropical Climate.
(e) operational Altitude: From 400 M Under Msl To 1400m Above Msl
4. standard Regulator Operating Condition
(a) the Temperature Rise Of Top Oil At Cmr Above Specified Design Ambient Shall Be 50oc.
(b) the Temperature Rise Of Windings At Cmr Above Specified Design Ambient Temp Shall Be 55oc.
5. application Standard
This Standard Makes Reference To The Following Documents Or Any Equivalent International Standards:
• ieee Std C57.15 Standard Requirements, Terminology, And Test Code For
• step-voltage Regulators.
• iec 60296 Insulating Oil For Transformers And Switchgears.
• iec 60076 Power Transformers.
• bsi Bs 381c Specification For Colors For Identification, Coding, And Special Purposes.
• bsi Bs En Iso 1461- Hot Dip Galvanized Coatings On Iron And Steel Articles.
• bs 2562 Specifications For Cable Boxes For Transformers And Reactors.
• bs 3692 Iso Metric Precision Hexagonal Bolts, Screws& Nuts.
• bs 4190 Iso Metric Black Hexagonal Bolts, Screws And Nuts.
• bsi Bs 7079 Surface Finish Of Blast Cleaned Steel For Painting.
• iec 60529 Specification For Degree Of Protection Provided By Enclosures.
• bs 5493 Code Of Practice For Protective Coating Of Iron And Steel Structures Against Corrosion.
• iec 60076-10 Method Of Measurement Of Transformer And Reactor Sound Levels.
• iec 60076-7 Loading Guide For Oil Immersed Power Transformers.
As Per Moq