• Sanand-Ⅱ Industrial Park, Ahmedabad, Gujarat
  • 00919819540003
  • sumit.pinggao@gmail.com

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Pinggao Group Power India PVT Ltd. establishing a factory set up in India with the voltage range of 132kV～765kV GIS product with all kind of testing facility in their manufacturing unit. Factory will be fully functional by September 2021 in Sanand Industrial Park, Ahmedabad, Gujarat, India.

we are searching for local power equipment manufacture to support us,we need components such as:welding/casting enclosure,aluminum conductor,steel supporting structure,Current Transformer,Voltage transformer(Potential transformer),Lighting arrester（surge arrester）,Silicon Rubber bushing and porcelain bushing ，SF6 Gas Density Monitors，cable,rubber O rings，bursting discs，bolt and nuts, Operating mechanism，Control cabinet，Cover plate ， grounding copper bar and so on

If you have any questions or are interested in becoming our partner, please contact us,Send company profile to my email:pgfrancis2020@163.com

Technical Parameters of Parts

Technical requirements

Rate working pressure : 0.4MPa(20℃ gauge pressure)
Design pressure : 0.6MPa(20℃ gauge pressure)
Working temperature : -40℃~150℃(outdoors)
Working medium : SF6
Axial short-time compensation ≥ 25mm
Normal working axial compensation ± 10mm
Radial compensation ± 5mm

Technical requirements

1. The torsion displacement of the center of the mounting hole corresponding to the flange at both ends ≤ 2mm。
2. Creepage distance≥ 3900mm。
3. The product shall meet the following mechanical and electrical performance requirements：
3.1. 1 min of 2.3 MPa internal pressure test; The four-way bending load is 6kN。
3.2. During type test，the failure pressure of internal pressure ≥3.5MPa for 5min，maximal bending load ≥12kN。
3.3. 1 min power frequency withstand voltage (dry, wet and effective value) of external insulation（ 275kv）,the lightning impulse withstand voltage is 650kV.
4. Sealing test: after the pressure test is qualified, SF6 or helium (0.5MPa, 20℃, gauge pressure) shall be used for leakage detection, and the leakage rate≤
5. Spray acrylic polyurethane enamel on the outer surface of upper and lower flange.

Technical parameters

1. Name:conduct
2. Material:aluminum alloy，
for example：（Data Sources：IS.1285.2002）
63400-T6φ180X15 aluminum alloy tube,
63400-T6φ110X15 aluminum alloy tube,
3. Technical requirement
Outer diameter:110-180mm
Wall thickness:15mm
Length:500-8000mm
4. main manufacturing procedures
Cutting,machining,welding,silvering-painting,etc.
5. Purchase quantity per year
4000meter

Technical parameters

1. Name:control cable
2. Technical requirement
ZR-KVVP ：Copper core PVC insulated and sheathed braided shielded control cable，24C×2.5SQMM;
4C×2.5SQMM;
Conductor Material : Plain Copper
Insulation Material : FR PVC，Braiding Material: Tinned Copper，Sheathing Material : FR PVC
Rated voltage：600V/1100V
Used in Gas insulator switchgear
3. Purchase quantity per year
50000meter per year

Technical parameters

1. Name:aluminum alloy welding
2. Material : aluminum alloy（Data Sources：IS.1285.2002），for example：52000-H112 forging stock of 10mm thickness,
63400-T6φ452X9 aluminum alloy tube
3. Technical requirement
Outer diameter:100-640mm
Wall thickness:8-10mm
Length:500-8000mm
4. main manufacturing procedures
Cutting,machining,welding,painting,etc.
5. Purchase quantity per year
4000meter

Technical parameters of Potential Transformer
Voltage levelRatioAccuracyCapacity
800kV765/√3/0.11/√3/0.11/√3/0.11/√3 kV3P/3P/0.250VA/50VA/50VA
420kV420/√3/0.11/√3/0.11/√3/0.11/√3 kV3P/3P/0.250VA/50VA/50VA
220kV245/√3/0.11/√3/0.11/√3/0.11/√3kV3P/3P/0.250VA/50VA/50VA
145kV132/√3/0.11/√3/0.11/√3/0.11/√3kV3P/3P/0.250VA/50VA/50VA
Technical parameters

1. Name : rubber O rings
2. Technical requirement
Material : EPDM rubber，
Exterior
The appearance of the rubber should be clean and the mixing should be even, no uneven mixing and mixing, and no impurities and large Gum bumps larger than 0.15mm exist.
Tear strength:≥8Mpa
Elongation at break : ≥180%
Permanent deformation ：≤10%
Compression set (compression 20% 100℃X24h) ：≤30%
Used in Gas insulator switchgear
3. Purchase quantity per year
50000 per year

Technical parameters

1. Name:rupture discs
2. Material:SS316L（Data Sources：ASTM），
3. Technical requirement
Specification: φ50
material:SS316L（ASTM）
Design burst pressure：1.5MPA
Blasting temperature：90℃
4. Purchase quantity per year
1000 per year

Technical requirements

1. Both ends of the spring are flat, and its plane is perpendicular to the center line of the spring wire.
2. The spring should be bent into a circle in a or B direction. The coil spring should be smooth and natural, and should not be warped.
3. The welding at the joint is reliable, and the clearance is even after welding.
4. The roundness of inner and outer diameter of spring ring after winding and welding is 0.3mm respectively.
5. silver plated 20μm
6. Circle number of coils is 97
7. Welding is only allowed in the enclosure shown in the drawing
8.The conductive contact surface shall not be damaged
9.The material of Screw-Contact is beryllium bronze

Technical parameters

1. Name : steel structure fabrication
2. Material : E250，
3. main manufacturing procedures
Cutting, machining, welding, Hot Deep Galvanizing, etc.
4. Purchase quantity per year
500 sets

Technical parameters

1. Name : casting enclosure
2. Material : An9/An9-1
3. Technical requirement
Outer diameter : 100-650mm
Wall thickness : 8-15mm
Length : 300-800mm
4. main manufacturing procedures
Casting, machining, painting, etc.
5. Purchase quantity per year
400sets