New Delhi, Delhi
Year of Establishment: 2001
IndiaMART Member Since: 2010
Air Brake Hose Couplings
The air brake hose couplings are provided to connect brake pipeline and feed pipeline / MR pipeline throughout the train. The coupling heads of the feed pipe / MR coupling hoses are of opposite design to those of the brake pipe coupling hoses. Installation For installation of the air brake hose couplings, they are provided with threaded nipples on one end of the hoses. These nipples are screwed on / into the anglecock at the both ends of the wagons.
Air Reservoir Brake Parts
At Sanrok we manufacture and supply Air Reservoirs for Air Brake Systems. An air reservoir for an air brake system is provided. The air reservoir includes a housing that has a first air chamber, a second air chamber, and a supply air chamber. A first valve is disposed between the supply air chamber and the first air chamber and is configured to allow air to flow from the supply air chamber to the first air chamber. A second valve is disposed between the supply air chamber and the second air chamber and is configured to allow air to flow from the supply air chamber to the second air chamber. Design and Function
Air Reservoir Dual Chamber
The reservoir consists of two flanged chambers, Emergency Reservoir (3500 cu. in.) and Auxiliary Reservoir (2500 cu. in.), separated by a separation plate. Supporting brackets are integral to the reservoir, two brackets on one end and a single bracket on the other. Brackets are drilled for 1" bolts. At Sanrok we Supply & Manufacture the Dual Chamber Air Reservoir for Air Brake System.
Automatic Twist Locks
Brake cylinders are used in all types of block- braked rail vehicles. The piston thrust produced in the cylinder acts on the blocks through the brake rigging.
For brake application, compressed air is admitted to the piston moving it against the force of the compression spring. The piston rod is carried along at the same time and transmits the piston thrust to the brake rigging. For release the brake cylinder is exhausted and the compression spring moves the piston back into its initial position. The external rigging return spring provided in case of the B type cylinder ensures that the brake rigging with the piston rod follows the piston.
Range of Brake Cylinders consists of Brake cylinders with following diameter sizes 8", 10", 12", 14", 16".
Angle Cocks are used in air braked rail vehicles to isolate the brake pipe and or main reservoir pipe at the ends of the vehicle. They are installed at both ends of the vehicle. If the angle cocks are closed, the connected hoses are vented so that the hoses can be uncoupled without any danger.
Composition Brake Blocks
Sanrok supplies Non Asbestos Composition Brake Types for all types of rolling Stock requirements. The product range in this category is Low Friction "L" type for Freight / Passenger stock & locomotives. We also supply "LL" type Brake Blocks with a direct replacement of cast iron Brake Blocks. whereby no modification to the brake system or brake rigging is required.
High Friction "K" type series are also supplied for passenger freight and Suburban EMU's. Very High friction "H" type brake blocks are also manufactured co- efficient of friction 0.3 to 0.48.
The Brake blocks supplied confirms to UIC 541 and AAR M-926 Standard.
The Slack Adjuster DRV 2A 450 / 600 is a Brake Slack Adjuster i.e. a device for automatic adjustment of the clearance between brake blocks and wheels. It is built into the brake rigging as a part of a pull rod. This slack adjuster is double acting and rapid working i.e. it quickly adjusts too large or too small clearances to the predetermined value, it has been set to maintain.
The Primary function of the rail pad traditionally has been that of a conforming resilient member between the as-rolled surface of the rail, and the as-cast surface of the rail seat of the concrete sleeper. It also provides an electric insulation between these two surfaces.
However in today's environment where the axle loads and speeds are being increased to 32.5 tons and 180 km/hr. respectively on Indian Railways, other requirements have gained importance and dynamic performance of the rail pads have become the main criteria of design, development and selection / adoption.
The rail pads are developed in collaboration with M/s. Vulcanite of Australia to have High resilience, impact attenuating, wear and tear resistant properties. M/s. Vulcanite Australia is a specialized rubber product development company, who are world leaders in design and development of rubber isolators / energy absorbers for railways and construction industry. The rail pads has been extensively tested and adopted by Australian Rail Track Corporation for high axle load, heavy haul freight train tracks.
1. The key design feature of our rail pad is - Multi Spring configuration. This configuration provides three groups of secant compression springs rates as follows:
1st is a low rate to provide adequate deformation induced by low load (Wagon at tare).
2nd is a higher rate designed for the normal maximum axle loads of 35 tons, again to provide deformation to minimize shock loads.
3rd rate which is the main advantage of our pads is the ability to prevent excessive creep when substantial overload conditions are maintained for extended periods of time, e.g. train parked or stopped for extended periods, with uneven axle loads.
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