Luoyang Guohan Railway Equipment Co., Ltd.
Section Insulator · Neutral Section Insulator · HV Disconnector · Operating Mechanism
Luoyang Guohan Railway Equipment Co., Ltd. is located in Chanhe District, Luoyang, Henan Province, specializing in the design and manufacture of OCS section insulators, neutral section insulators, disconnectors and catenary components. The product range covers the FYFH series 1.6AT / 1.8AT / 1.8BT / 2.0AT / 2.0BT (five models), plus the GHT-FYFH series for rigid catenary applications.
The company is a National High-Tech Enterprise, holding CRCC railway product certification and ISO9001 / ISO14001 / ISO45001 management system certification. Products are in service with 20+ railway bureaux, including Zhengzhou, Wuhan, Xi'an, Lanzhou, Nanning, Urumqi, Harbin, Jinan, Shenyang, Kunming and Qinghai-Tibet, Products are also supplied to China Railway Electrification Bureau and China Railway Construction Electrification Bureau projects.
Product Matrix
Organised by OCS function: insulation sectioning, electrical sectioning, live-line isolation, operation and protection. Models, specifications and rated parameters are listed item by item for direct selection by drawing number.
Section Insulator
Section Insulator Series GHT-FYFH-2.0TG-0GGHT-FYFH-2.0TG-0MGHT-FYFH-1.0TG-0XFXP-1.80TFYFH-2.0BTFYFH-2.0ATFYFH-1.8BTFYFH-1.8ATFYFH-1.6AT 1.6 — 2.0 mAir clearance9 models 02.2
Disconnector
Disconnector Series GW1-2×27.5GW4-27.5DGW4-27.5GW1-27.5DGW1-27.5 27.5 kV400 — 3150A5 models 02.3
Operating Mechanism
Operating Mechanism Series CS-11手摇机构电动机构 Electric / ManualLocal operation3 models
Technical Data & Manufacturing Capability
The parameters below are the standard technical conditions for the section insulator series (TB/T 3036-2016 and related railway standards). Actual supply is subject to the confirmed drawings and type test report; air clearance and rated current can be adapted to line conditions.
| Item | Specification | Value / Unit |
|---|---|---|
| Electrical parameters | ||
| Nominal voltage | Supply system | AC 25kV |
| Rated voltage | Insulation class | 27.5kV |
| Rated frequency | Power frequency | 50Hz |
| Rated current | 400A–3150A, optional 1250 / 1600 / 2000 / 2500 / 3150A | 400–3150A |
| Creepage distance | not less than | ≥1600mm |
| Lightning impulse withstand voltage | 1.2/50μs full wave | ≥160kV |
| Power-frequency wet flashover voltage | withstand, wet | ≥87kV |
| Mechanical & insulation clearance | ||
| Type A max. working load | FYFH-1.6AT / 1.8AT / 2.0AT | 16.5kN |
| Type A tensile breaking load | not less than | ≥49.5kN |
| Type B max. working load | FYFH-1.8BT / 2.0BT | 31.5kN |
| Type B tensile breaking load | not less than | ≥94.5kN |
| Air insulation clearance | 1.6 m / 1.8 m / 2.0 m | ≥300mm / ≥430mm |
Production & Inspection
CapabilityInsulation, mechanical load and visual inspection are performed batch by batch; inspection records and certificates of conformity are supplied with the goods. Three clearance sizes (1.6 / 1.8 / 2.0 m) and two mechanical classes (A / B) cover different messenger wire and contact wire tension combinations.
Call us — faster than filling a form
Technical selection, tender documents, samples and lead time — call any number below. Tell us the line name, drawing number and operating conditions, and we can recommend a model on the spot.
- Tel / Fax
- 0379-60305388 · Fax 0379-60305389
- Address
- CRCC certificate, ISO triple-system certificates
- Type test report, factory inspection records, raw material warranty
- Business licence, product drawings, selection calculation
Give us the drawing number and contact wire tension, and we will confirm Type A / B and the 1.6 / 1.8 / 2.0 m clearance.
Standard models are in stock; custom items are scheduled against drawings. You get a firm delivery date on the phone instead of waiting for email.
CRCC certificates, type test reports and factory inspection records are archived by project number and can be sent the same day.