8-1 stitch wire clamp
Specifications
| Model | 8-1 |
|---|---|
| Drawing No. | 8-1 |
| Standard | TB/T 2075.8-2024, OCS fittings for electrified railways — Part 8: Stitch wire assemblies |
| Installation | fixing points of the stitch wire to the contact wire and messenger wire |
The 8-1 stitch wire clamp for electrified railway OCS fixes the stitch wire to the contact wire and messenger wire in stitched catenary.
Complies with TB/T 2075.8-2024, OCS fittings for electrified railways — Part 8: Stitch wire assemblies. The assembly consists of the stitch wire clamp, the stitch wire and the stitch wire integral dropper; this clamp is its key gripping component.

Product Overview
The 8-1 stitch wire clamp fixes the stitch wire to the contact wire or messenger wire through its clamping structure; working with the stitch wire and its integral dropper, the stitch wire elasticity reduces the elasticity difference between mid-span and suspension points and improves pantograph current collection. The company holds CRCC railway product certification.
Key Features
- reliable grip without damaging the stitch wire surface
- with stitch wire and integral dropper forms the complete stitch wire assembly
- reduces mid-span to suspension point elasticity difference, improving collection
- easy to install and inspect
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 re-inspection and batch-by-batch factory inspection before delivery.
Operating Conditions & Typical Applications
For stitched catenary sections of electrified railway OCS, installed where the stitch wire is fixed to the contact wire and messenger wire.
Selection & Service
The company provides end-to-end service from selection calculations and drawing confirmation to volume supply and on-site technical guidance. For technical support and commercial inquiries, please call 0375-6051688.
