Ashish Engineering

Padra, Vadodara, Gujarat

BREATHING PROCESS OF THE TRANSFORMER :     When Transformer is loaded or unloaded, the oil temperature inside the transformer tank rises or foots, Accordingly the air volume inside the tank changes, by either sucking in or pushing out the air , The Phenomenon is called “Breathing” of the transformer . The air which is being sucked in contains either foreign impurities and /or Humidity which changes dielectric strength of transformer oil. Hence, it is necessary that, the air entering into the transformer is free from moisture & foreign impurities. MAINTENANCE The Breather is connected to an outlet pipe of the Conservator Vessel and the air which is being sucked by transformer is made to pass through the Silica Gel Breather to dehumidify the air and to remove foreign impurities. The Silica Gel which is filled in the Breather is hard blue Crystals, which has considerable absorption power for moisture. When it gets saturated with moisture, its changes it colour to pinkish white, For Proper dehumidification of air , It is absolutely necessary that this charge of Silica Gel is re-conditioned from pinkish white to deep blue by heating it to a temperature of 2000C.The air, which is passed through Gel is first made to pass through the oil compartment of Breather. This oil removes all foreign impurities from air which enters the Gel compartment. Hence Oil sealed type Silica Gel Breather will keep the oil properties constant, hereby ensuring proper working and hence longer life of the transformer. ADVANTAGES OF CLEAR VIEW DESIGN OVER WINDOW TYPE Because of excellent visibility of entire mass of Silica Gel (Due to transparent compartment) Change in colour of Gel in any part of the mass is clearly visible, even from a distance, as against very very poor visibility in window type – design. The entire oil cup is also transparent Hence, Change in the level of Oil as well as any sedimentation in oil is clearly visible. as against almost invisibility in window type. The overall wt. of the Breather is much lighter than the Convention Window type Breathers.  

We are instrumental in manufacturing and supplying a wide range of Radiator Valves .These Radiator Valves are made of quality assured gun metal, which is sourced from reliable vendors. Clients can avail these products from us at industry leading prices.

We are instrumental in manufacturing and supplying a wide range of Radiator Valves .These Radiator Valves are made of quality assured gun metal, which is sourced from reliable vendors. Clients can avail these products from us at industry leading prices. Specification Cast Iron & Gun Metal Body, Square shape 80 and 100 NB, Round shape 50-100, 150 and 200 NB. Leak Test Leakage Through Valve Body Nil, Leakage Around Diaphragm Max.6Drops/Min. Leakage Around Top Spindle Nil with or without Cap. Porosity Test With Air Pressure of Kg/sq.cm: No leakage or sweating through the body or spindl assembly. Backed by rich industry experience, we are able to design & fabricate C. I. Radiator Valves. These valves are extensively used as shut off valves for detachable radiators of oil cooled transformers. Our C. I. & Gun Metal Radiator Valves are available in different designs and specifications as required by the clients.     Technical Details The valve is equipped with a butterfly flap that can be turned to open and close the valve The valve remains in open position when the transformer is in "on-load" condition For inspection and repair of radiator, the butterfly flap is closed and the radiator is detached from the transformer Manufactured in a variety of diameter from 50 mm to 200 mm Key Benefits Shell moulded, shot blasted and fettled CI casting for zero body leakage and better finish Streamlined flap design minimizes frictional resistance to fluid flow No rubber lining yet leak proof Valve is able to look in "open" and "shut" position by cap.