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ANSI 57-12 C29.7 Standard Hv Ceramic Line Post Insulator for Power transmission Line
US$22.00
10-999 Pieces
US$21.50
1,000+ Pieces
Sample price:US$24.54/piece.Request sample
Product profile
Customization
AvailableApplication
High-voltage, High-temperature, High Cantilever StrengthMaterial
PorcelainModel NO.
57-12Structure
Post InsulatorType
A Type InsulatorUsage
High Voltage Power Transmission, Insulation, Driving, Electrical InstallationConnection Method
Spherical TypeSize of Bearing Capacity
12.5kNCertification
CCC, CE, ISO9001, ANSI C29.7Color
Brown or BlackBrand
PcstarVoltage
11kv-66kvANSI Class
57-12Standard
ANSI C29.7Usual Line Voltage
55kvReference Height (a)
333mmNominal Diameter Insulating Part (B)
160mmDiameter (C)
102mmLeakage Distance-mm
559mmCantilever Strength-kN
12.5kNPositive Critical Impulse Flashover-Kv
160kvTransport
by Sea or AirTransport Package
Packing with Wood or CustomizedSpecification
47*32*25.5Trademark
pcstarOrigin
ChinaHS Code
8546209090Production Capacity
5000000PCS/YearKey features
High Voltage Performance: Designed for 11kV-66kV transmission with 12.5kN cantilever strength.
Durable Porcelain Material: Manufactured with wet ceramic and advanced oxide flame combustion.
Comprehensive Certifications: ISO 9001, ISO 14001, ISO 45001, CCC, CE, and ANSI C29.7 compliant.
Customizable Voltage Range: Voltage options available from 11kV to 66kV based on requirements.
Strict Quality Control: Every product undergoes a series of strict tests using best raw materials.
OEM Service Available: Customer logo accepted for OEM orders with large quantity.
Competitive Pricing: High quality products offered with competitive market prices.
Fast Response Support: Customer service staff online 24/7 with replies within 24 hours.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2021-06-03 CertifiedNearest Port: Shanghai Port, Shenzhen Port, Ningbo Port, Xiamen PortAverage Response Time: ≤2.65h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryJiangxi Xinghai Electric Porcelain Manufacturing Co., Ltd. is a China-based manufacturer/factory specializing in porcelain insulators and related high-voltage electrical products. It reports ISO 9001 and ISO 14001 certification, while its description also states ISO 45001 certification. The supplier has operated since 1998, reports 25,000 tons of annual porcelain-insulator productivity, five production lines, automated kiln and adhesive-maintenance equipment, and documented R&D and quality-control personnel. Its products cover 10kV–500kV applications, and it states compliance with IEC, GB, and ANSI standards. It is identified as a qualified supplier to State Grid and China Southern Power Grid. Evidence is insufficient to assess after-sales service, customization capability, or financial credibility without using financial figures.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and describes itself as specializing in porcelain-insulator R&D and manufacturing. Its stated product scope includes high-voltage transmission and transformation insulators, power-station insulators, and porcelain bushings.
CertificationsThe supplier reports ISO 9001 quality-management and ISO 14001 environmental-management certifications, and its description additionally states that it has passed ISO 45001 occupational health and safety certification. It also states that production follows IEC, GB, and ANSI standards.
R&D capabilityThe supplier describes itself as a national-level high-tech enterprise, reports porcelain-insulator R&D activity, and states that it independently developed an automatic chain-type glue and maintenance system. It is also developing DC ±800kV and AC 1000kV UHV suspension insulators, with 11–20 years of total R&D-engineer experience reported.
Production capacityThe supplier reports 25,000 tons of annual porcelain-insulator productivity, five production lines, a highly automated 110-meter tunnel kiln, a 110m³ shuttle kiln, and an automated chain-type system. Its operating history since 1998 and stated manufacturing facilities provide explicit evidence of established production capacity.
Client casesThe supplier states that it is a qualified supplier of State Grid and China Southern Power Grid, which is direct evidence of named institutional customer qualification. Trade data also lists one buyer associated with the supplier, but the provided information does not establish project scope, delivery performance, or multiple completed customer cases.
Product Q&A
Q:What's the payment term?
A:
We accept TT, 30% deposit and 70% balance against copy of B/L or L/C at sight.
Q:How long is producing time?
A:
Normally it will take about 35-40 days for production.
Q:What is the standard of package?
A:
For small capacity, we use carton, but for big capacity, we will use strong wooden case for protection or double inner packs in a master carton.
Q:Can you offer Form A or C/O?
A:
Yes. We can prepare relative documents to forgin affairs office or other offices to apply for this certificate.
Q:Will you accept using customer's logo?
A:
Only accaept OEM when you order a big quantity.
Send Inquiry
*To:
Jiangxi Xinghai Electric Porcelain Manufacturing Co., Ltd.
Jiangxi Xinghai Electric Porcelain Manufacturing Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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