LYGUOHAN / Railway OCS Equipment
AC 25kV · 50Hz National High-Tech Enterprise
Luoyang Guohan Railway Equipment Co., Ltd. Luoyang Guohan Railway Equipment Co., Ltd.
Luoyang · China Design & manufacturing of electrified railway OCS components Segmentation Insulator / Isolating Switch / Catenary Hardware
Founded July 2012 · Registered capital CNY 50.10 million

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.

Railway Bureaus
20+railway bureaux
Experience
15+years of experience
High-Tech Enterprise
High-TechNational level
Certification
CRCCcertified
§ 01ProductsProduct Matrix3 categories · 17 models

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.

Table 01Product & Model Index · 3 categories · 17 models in productionModel Index
§ 02Technology & StandardsTechnical DataAC 25kV / 50Hz

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.

Specification Sheet · Section Insulator
ItemSpecificationValue / Unit
Electrical parameters
Nominal voltageSupply systemAC 25kV
Rated voltageInsulation class27.5kV
Rated frequencyPower frequency50Hz
Rated current400A–3150A, optional 1250 / 1600 / 2000 / 2500 / 3150A400–3150A
Creepage distancenot less than≥1600mm
Lightning impulse withstand voltage1.2/50μs full wave≥160kV
Power-frequency wet flashover voltagewithstand, wet≥87kV
Mechanical & insulation clearance
Type A max. working loadFYFH-1.6AT / 1.8AT / 2.0AT16.5kN
Type A tensile breaking loadnot less than≥49.5kN
Type B max. working loadFYFH-1.8BT / 2.0BT31.5kN
Type B tensile breaking loadnot less than≥94.5kN
Air insulation clearance1.6 m / 1.8 m / 2.0 m≥300mm / ≥430mm

Production & Inspection

Capability

Insulation, 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.

Testing capability: HV laboratory, 300 kV power-frequency withstand tester, 10 t tensile testing machine, switch current test bench, loop resistance tester, zinc coating gauge, insulation resistance tester.
View testing capabilities
Table 02Section insulator · technical conditions · Electrical / Mechanical / Insulation clearanceSpecification
§ 03Contact UsContactLuoyang · Chanhe District

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
Email
Address
Tender documents · can be submitted with your bid
  • CRCC certificate, ISO triple-system certificates
  • Type test report, factory inspection records, raw material warranty
  • Business licence, product drawings, selection calculation
View certificates
Why call instead of emailing
Model decided on the call

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.

Lead time on the call

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.

Documents sent the same day

CRCC certificates, type test reports and factory inspection records are archived by project number and can be sent the same day.

Or fill in the inquiry form →
Fig. 05Contact · Phone / Email / AddressContact Sheet