8-2 stitch wire integral dropper
Specifications
| Model | 8-2 |
|---|---|
| Drawing No. | 8-2 |
| Standard | TB/T 2075.8-2024, OCS fittings for electrified railways — Part 8: Stitch wire assemblies |
| Installation | the upper end joins the stitch wire and the lower end grips the contact wire via a dropper clamp |
The 8-2 stitch wire integral dropper (type 8-2) for electrified railway OCS provides the suspended connection between the stitch wire and the contact wire in stitched catenary — a component of the stitch wire assembly.
Complies with TB/T 2075.8-2024, OCS fittings for electrified railways — Part 8: Stitch wire assemblies. Structure and connection dimensions are made to certified technical conditions, for use with the stitch wire clamp (8-1) and the stitch wire.
Product Overview
The stitch wire assembly consists of stitch wire clamp (8-1), stitch wire (35mm² copper alloy) and stitch wire integral dropper (8-2). The dropper has crimped terminals — upper end joins stitch wire, lower end grips contact wire. Stitch wire tension shares suspension-point load, reducing elasticity difference and improving collection. CRCC certified.
Key Features
- Integral crimped structure without joint hard points; dropper wire breaking load meets the standard
- both-end clamps grip reliably with slip load against the contact wire meeting the standard
- used with stitch wire clamp (8-1) and 35mm² stitch wire
- after installation the contact wire stays smooth, reducing elasticity difference and contact loss
Compliance & Quality Control
Complies with TB/T 2075.8-2024, OCS fittings for electrified railways — Part 8: Stitch wire assemblies. Controlled under CRCC railway product certification and the ISO9001 quality management system, with incoming material inspection, key-process inspection and final factory inspection batch by batch before delivery.
Operating Conditions & Typical Applications
Typical use is at stitch wire assembly installations in stitched catenary sections, used with the stitch wire clamp and the stitch wire.
Selection & Service
The company provides from selection calculations, drawing confirmation to volume supply, on-site technical guidance end-to-end service, We can provide model recommendations and custom solutions based on line conditions and erection drawings. For technical support and commercial inquiries, please call0375-6051688.
