Standard Profile
U70BS · 70 kN
A 70 kN standard profile disc with 127 mm spacing, 255 mm diameter and 320 mm creepage, weighing 3.6 kg. The volume workhorse for…
Creepage 320 mm
Ø 255 mm
Coupling 16
Industry Application
Railway Electrification And Infrastructure
Railway catenary and infrastructure power feeds run alongside traffic, tunnels and industrial sites. Deposits come from brake dust, diesel exhaust and track ballast, and access for maintenance is limited to short possession windows.
Pain Points
What Goes Wrong In This Sector
- Maintenance access is limited to short night-time possessions
- Brake dust and exhaust deposits differ from typical line pollution
- Mechanical fatigue from passing traffic and vibration
- Failures interrupt scheduled services, not just power supply
Requirements
What Buyers Here Actually Need
- Insulators that can be inspected visually during a short possession
- Profiles suited to dry adherent particulate rather than salt fog
- Consistent mechanical performance under vibration loading
- Documentation aligned to IEC 60383 for infrastructure acceptance
Recommended Models
Discs Suited To Railway Electrification And Infrastructure
Selected on mechanical rating, creepage distance and profile geometry for the conditions described above.
Two-alternating Profile
U160BSV · 160 kN
A 160 kN two-alternating disc with 155 mm spacing, 300 mm diameter and 450 mm creepage, weighing 8.4 kg. Alternating shed diameters…
Creepage 450 mm
Ø 300 mm
Coupling 20
Standard Profile
U40B · 40 kN
A 40 kN standard profile disc with 110 mm spacing, 175 mm diameter and 190 mm creepage, weighing 1.8 kg. The lightest unit in our…
Creepage 190 mm
Ø 175 mm
Coupling 11
How We Deliver
Support Across The Project Cycle
From selection through manufacture to on-site guidance, handled by the same engineering team.
Pre-Sales Technical Consultation
Selection starts from your line conditions, not from our catalogue.
Customized Design And Manufacturing
When the standard disc does not fit the site, we develop one that does.
Production And Quality Assurance
Defective shells are removed in our furnace, not on your tower.
Logistics And Global Delivery
Export packing and documentation handled as part of the order, not as an afterthought.
Project Record
Work In This Sector
Project
Pradex Engineering Partnership And Factory Audit
Mr Andrey from Pradex visited the Jinhao plant in Linyi for a technical review covering the glass shell forming line, the toughening and thermal shock stations, the cementing line and the finished goods inspection area.
Answers
Railway Electrification And Infrastructure Questions
Do you supply insulators for railway electrification?
Yes. Our range covers insulators for distribution lines, railway and power infrastructure applications, and we support railway catenary projects as part of project supply.
Why does visual inspection matter on railway work?
Maintenance access is limited to short possession windows. A self-destructing glass disc can be identified during a walk-through instead of requiring test equipment and an extended possession.
Which profile handles brake dust and exhaust deposit?
That is dry adherent particulate, so an alternating profile such as the U160BSV is usually more appropriate than an anti-fog profile designed for wet conductive film.
Tell Us About The Route
Voltage, mechanical load, pollution class and quantity. We will size the string and confirm what we can deliver and when.