SOLID FUNDAMENTALS. SOLID PERFORMANCE. 50 YEARS OF SERVING RAILWAY INDUSTRY STORES & ENGINEERING

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1 SOLID FUNDAMENTALS. SOLID PERFORMANCE. 50 YEARS OF SERVING RAILWAY INDUSTRY GENERAL CO. PVT. LTD. SUITE 604, LEVEL 6, TOBACCO HOUSE, 1 OLD COURT HOUSE CORNER, KOLKATA , INDIA PH: MOBILE: FAX: gs_ec@yahoo.com Designed & produced by HEADLINERS headlinersadvertising@gmail.com

located at Howrah, the Sheffield of the East near Kolkata, India, GSEC has grown from strength to strength to become a multi

A leader in Brake system and Pantograph, the company (GSEC) manufactures Slack Adjusters, Empty Load Devices, Change over

supported by modern testing laboratory and equipments to enforce and ensure strict quality control according to the stringent

No wonder, the company is held in high esteem by its satisfied customers, the distinguished list of which includes Indian

and professional managers. The decision making is not the exclusive domain of the top management.

2 OUR JOURNEY... Starting its journey way back in 1955 as a small entity engaged in manufacture of engineering goods in its tiny factory located at Howrah, the Sheffield of the East near Kolkata, India, GSEC has grown from strength to strength to become a multi product company, whose products are used by Indian Railways and a host of Railway Coach and Wagon manufacturers. A leader in Brake system and Pantograph, the company (GSEC) manufactures Slack Adjusters, Empty Load Devices, Change over Gears, Brake Cylinders, Valves, Locomotive and EMU Pantographs including all the spares at their three modern factories located at Dasnagar in Howrah. It is an ISO 9001: 2008 accredited company and employs nearly 80 people and can boast of an efficient manufacturing facility supported by modern testing laboratory and equipments to enforce and ensure strict quality control according to the stringent standards. It constantly keeps pace with and imbibes the modern technology to remain competitive. No wonder, the company is held in high esteem by its satisfied customers, the distinguished list of which includes Indian Railways, Texmaco Rail & Engg, Titagarh Wagons, Jupiter Wagons, BESCO, Hindusthan Engg, Burn Standard, Bridge and Roof, Jessop and Chittaranjan Locomotive Works. Over the years there has been a transition in management from the closely guarded individualistic approach to a more liberal and professional managers. The decision making is not the exclusive domain of the top management. The middle level is also part of the process with adequate authority. Accountability is a buzz word & performance is rewarded. Strict quality control measures are adopted at every stage, be it procurement of materials or manufacturing process at machine shop, assembly line as well as packing and delivery. The company constantly upgrades itself in terms of new technology, machines, process for its existing products and is always in look out for adding new products in its basket and looks forward to cater to international markets. 1

3 MISSION Our mission is not to create wealth for the owners only, but to create an atmosphere where all the stakeholders, be the owners, workers, ordinary employees, customers, suppliers, transporters, all are benefitted and become part and parcel of the growth story. VISION Our vision is to ensure Uncompromising Quality of its products and be on time in supplying those to our buyers and clients big or small. We strive to follow a No Rejection, No Late Delivery Policy for our customers through hard work, passion, discipline and team spirit. Driven by quality. Gaining confidence by the numbers. We have been serving Indian Railways which has 1,15,000 kms of track 65,000 passenger coaches 2,50,000 freight wagons VALUES GSEC stands for, inculcates and expects some basic values for its employees and all persons connected with the company, which are: Honesty Discipline Innovation Compassion Good behaviour Team work 2 3

INFRASTRUCTURE READY TO SERVE WORLD-CLASS

Lathe, Tool Grinder, Power Saw, Compressor,

introduce new machines or retire the old

4 INFRASTRUCTURE READY TO SERVE WORLD-CLASS PRODUCTS WORLDWIDE The company has, in its three manufacturing units, installed several heavy, medium and high precision machines like Centre Lathe, Grinding Machine both bench and Cylindrical, Honning Machine, Rolling Machine, Power Press, Shearing Machine, Hydraulic Press, Radial Drill, Pillar Drill, Thread Generating Machine, Turret Lathe and Drum Type Turret Lathe, Tool Grinder, Power Saw, Compressor, Generator and CNC Machines of various types. The skilled work force utilise these machines to manufacture several World Class precision products. We constantly upgrade our facility and introduce new machines or retire the old ones to keep pace with the changing technology and modernisation. 50 years of uncompromising quality 4 5

SLACK ADJUSTER BREAK-THROUGHS IN BRAKE MANUFACTURING Slack

between the Brake Block and Wheel Thread.

decrease the slack, i.e. double acting in operation

We manufacture IRSA-600, IRSA-600J IRSA-450 and IRSA-750

Besides, we also manufacture DRV-300 as per SAB Swedish

GSEC is the second largest manufacturer and supplier of

that 180000 of these to them, which are fitted in the bulk

5 SLACK ADJUSTER BREAK-THROUGHS IN BRAKE MANUFACTURING Slack Adjuster is a device which adjusts the distance (Slack) between the Brake Block and Wheel Thread. GSEC manufactured Slack Adjuster can either increase or decrease the slack, i.e. double acting in operation depending upon the requirement. We manufacture IRSA-600, IRSA-600J IRSA-450 and IRSA-750 Slack Adjusters as per Indian Railway Standard. Besides, we also manufacture DRV-300 as per SAB Swedish design. GSEC is the second largest manufacturer and supplier of Slack Adjuster to Indian Railways and has supplied more that of these to them, which are fitted in the bulk of nearly freight Wagons and over Passenger Coaches. Our products are known for its quality and durability. Slack Adjuster 2nd largest manufacturer of Slack Adjusters 7

PANTOGRAPH STEADILY GROWING GRAPH OF MANUFACTURING PANTOGRAPHS Pantograph is a device through which the

We are a leading supplier of various Pantograph Spares and Sub-assemblies like Lower Arm Assembly, Middle

6 PANTOGRAPH STEADILY GROWING GRAPH OF MANUFACTURING PANTOGRAPHS Pantograph is a device through which the Engine gets Electric Power from the Overhead Transmission lines and therefore, a precondition for movement of train. A large number of EMU and Locomotive Engines of Indian Railways are equipped with GSEC made Pantographs of AM-12/PAN 01 type. Our Pantographs are known for its quality and are therefore, popular amongst Electric Engine Manufactures. We are a leading supplier of various Pantograph Spares and Sub-assemblies like Lower Arm Assembly, Middle Articulation Assembly, Upper Articulation Assembly, Central Pedestal Assembly, Push Rod Assembly, Steady Tube Assembly, Bow Assembly, Motor Assembly, Mechanism Assembly, Throttle Valve Assembly, Support Rod Assembly etc. Pantograph Pantographs that withstand extreme weather conditions 8 9

BRAKE CYLINDER GSEC manufactures Brake cylinder in two versions i.e. underframe mounted version Brake Cylinder having diameter of 355 mm (14" ) as well 300 mm (12").

Brake cylinder receives pneumatic pressure from auxiliary reservoir after being regulated by Distributor valve in case of brake application

OUR PRODUCTS CHECK VALVE WITH CHOKE Check Valves are used between Feed Pipe and Auxiliary Reservoir to permit flow of air from Feed Pipe to

PASSENGER EMERGENCY ALARM SIGNAL DEVICE The Passenger Emergency Alarm Signal Device is provided in each passenger coach equipped with

CONTROL ROD & ADJ. SPINDLE Two are integral parts of Slack Adjusters of all types.

CUT OFF ANGLE COCK Cut-off Angle Cocks are provided at the end of brake pipe and feed pipe on each vehicle to maintain flow of air in the

Cut off angle cock are supplied either in 1.1/4 (32 mm) or 1 (25 mm) sizes.

other foreign materials prior to the entry of air in the system by centrifuge action.

BRAKE CYLINDERS WITH INTEGRAL SLACK ADJUSTERS These are manufactured in 8 dia (203 mm) with 3.3/4 stroke (95 mm).

separate Slack Adjuster and also reduces rigging and levers to a considerable extent.

7 BRAKE CYLINDER GSEC manufactures Brake cylinder in two versions i.e. underframe mounted version Brake Cylinder having diameter of 355 mm (14" ) as well 300 mm (12"). Bogie mounted versions are also manufactured. Brake cylinder receives pneumatic pressure from auxiliary reservoir after being regulated by Distributor valve in case of brake application and develops mechanical brake power by outward movement of piston assembly. OUR PRODUCTS CHECK VALVE WITH CHOKE Check Valves are used between Feed Pipe and Auxiliary Reservoir to permit flow of air from Feed Pipe to Auxiliary Reservoir in one direction only. PASSENGER EMERGENCY ALARM SIGNAL DEVICE The Passenger Emergency Alarm Signal Device is provided in each passenger coach equipped with graduated release automatic air brake system to enable passenger to apply brakes from the vehicle in case of any emergency. CONTROL ROD & ADJ. SPINDLE Two are integral parts of Slack Adjusters of all types. These are manufactured in different sizes according to the Slack Adjuster specification. CUT OFF ANGLE COCK Cut-off Angle Cocks are provided at the end of brake pipe and feed pipe on each vehicle to maintain flow of air in the air brake system during the run of the vehicle. These cocks are closed while isolating the vehicle from the train for any reason. Cut off angle cock are supplied either in 1.1/4 (32 mm) or 1 (25 mm) sizes. CENTRIFUGAL DIRT COLLECTOR Centrifugal Dirt Collector is provided for removal of dirt as well as heavy dust particles like sand gravel and other foreign materials prior to the entry of air in the system by centrifuge action. It also provides a local sump to brake-pipe precipitated moisture. BRAKE CYLINDERS WITH INTEGRAL SLACK ADJUSTERS These are manufactured in 8 dia (203 mm) with 3.3/4 stroke (95 mm). This is a Brake Cylinder with integral Slack Adjuster for application in Indian Railways Coaching Brake System which eliminates use of separate Slack Adjuster and also reduces rigging and levers to a considerable extent. EMPTY LOAD DEVICE This is an appliance which increase the Brake power in loaded carriage and reduces the brake power in unloaded/ empty carriage. ISOLATING COCK Ball type isolating cock are used to provide facility for cutting-off of air supply to Auxiliary Reservoir from Feed Pipe as well as isolation of Brake Cylinder. PASSENGER EMERGENCY ALARM VALVE The Passenger Emergency Alarm valve is a high capacity vent valve, which magnifies and relays the pneumatic braking signal generated through operation of passenger alarm signal device. AUXILIARY RESERVOIR Auxiliary Reservoir feeds Brake Cylinder through Distributor Valve in brake application position. 100 Lts capacity reservoir is used for Freight Wagon & 200 Lts capacity reservoir is used for Coach Brake System.

TESTING FACILITY TRIED AND TESTED TO ACHIEVE UNCOMPROMISING QUALITY Our state of the art testing facilities

Our main Test Rig is made as per Swedish SAB design for Pay out/ Pay in and Dimension tests for Slack

The secondary Test Rig is designed like a wagon chassis in pro to type equipped with Empty Load Device, which

The third one is a Clasp Brake Rigging arrangement of two Bogies in coupled condition consisting of 2 pairs of

Change Over Gear maintaining A dimension of 70 mm and E dimension of 0 to 600 mm.

Apart from these heavy test rigs, we are also equipped with several smaller lightweight testing facility for

Special Performance Test Rig and Rig for Testing loss of Force for all types of Slack Adjusters and are

8 TESTING FACILITY TRIED AND TESTED TO ACHIEVE UNCOMPROMISING QUALITY Our state of the art testing facilities are geared to test the quality of our products rigorously to leave no room for complaint for our customers. Our main Test Rig is made as per Swedish SAB design for Pay out/ Pay in and Dimension tests for Slack Adjuster, Brake Cylinder, Adjuster Spindle, Protection Tube, Piston Stroke indicator Scale and Pressure Gauge. The secondary Test Rig is designed like a wagon chassis in pro to type equipped with Empty Load Device, which tests various dimensions of all above as well as of Control Rod and Empty Load Device. The third one is a Clasp Brake Rigging arrangement of two Bogies in coupled condition consisting of 2 pairs of wheels, 4 Brake beams and 4 pairs of brake blocks in each bogie equipped with Empty Load Device and Change Over Gear arrangement. Another heavy Test Rig is an IRS type Single Brake Rigging arrangement equipped with Empty Load Device and Change Over Gear maintaining A dimension of 70 mm and E dimension of 0 to 600 mm. The wheels can be set upto condemning limit of 906 mm dia. Apart from these heavy test rigs, we are also equipped with several smaller lightweight testing facility for Piston Stroke dimensional measurements, e.g. Special Performance Test Rig and Rig for Testing loss of Force for all types of Slack Adjusters and are equipped with Dynamometer for load reading and Vernier scale to check defection of Adjuster Tube with respect to Barrel. Besides, Tensile load is applied on Slack Adjuster having capacity of 10 tons and more in our Tension Test Rig. Our Vibration Test Rig is equipped with frequency meter to check the vibration of Slack Adjusters under different frequencies ranging from 30 Hz to 60 Hz. Our Shadowgraph machine checks the THD. profile of the components with enlarged view of upto 40 times with the help of Micrometer. The only Company having computer controlled Endurance Testing Facility for Brake Cylinders 10 11

BRIEF ON ELETRICAL MULIPLE UNITS (EMU)

BRIEF ON ELETRICAL MULIPLE UNITS (EMU) Electrical multiple units are used by Indian railways to carry mass passengers in metro and inter cities. The unit consists of motor coach and multiple trailer coaches.