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Weld Neck Flanges
The Weld Neck Flange is normally referred to as the "high hub" flange. It is designed to transfer stresses to the pipe, thereby reducing high stress concentrations at the base of the flange. The Weld Neck flange is the best-designed butt-welded flange of those currently available because of its inherent structural value. It is expensive because of the design. These are mainly used on heat coupling of pipes when there is possibility of expansion of the section while bending stress on the coupling.
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Threaded Screw Flanges
The Threaded Flange is similar to the slip-on flange, but the bore is threaded. Its chief merit is that it can be assembled without welding, explaining its use in low pressure services at ordinary atmospheric temperatures and in highly explosive areas where welding create a hazard. These flanges are used in special requirements to work under high temperature and pressure, making sure no welding joint is made at the assembly.
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TATA Steel Sheet
58 Per Kilogram
Thickness : 0-1 mm
Material : MS
Surface Treatment : Galvanized
Color : Silver
Country of Origin : Made in India
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Socket Weld Flange
The Socket Weld Flange is similar to a slip-on flange except it has a bore and a counter bore dimension. The counter bore is slightly lager than the outer diameter of the matching pipe, allowing the pipe to be inserted into the flange similar to a slip-on flange. The diameter of the smaller bore is the same as the inner diameter of the matching pipe. A restriction is built into the bottom of the bore which sets as a shoulder for the pipe to rest on. This eliminates any restriction in flow when using a socket Weld Flange.
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Slip On Flanges
The Slip-On Flange has a low hub because the pipe slips into the flange prior to welding. It is welded both inside and out to provide sufficient strength and prevent leakage. Slip-on flanges are all bored slightly larger that the O.D. of the matching pipe. They are preferred over Weld Neck flanges by many users due to their lower initial cost, but final installation cost is probably not much less than that of the Weld Neck Flange because of the additional welding involved.
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Lap Joint Flanges
The Lap Joint Flange is practically identical to a slip-on flange except it has a radius at the intersection of the bore and flange race. This radius is necessary to have the flange accommodate a lap joint stub end. Normally, a lap joint flange and a lap joint stub end are mated together in an assembly system.
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Crca Sheets
Blind Flanges
A Blind Flange is a solid disk used to block off a pipeline or to create a stop. The blind flange is machined in the same manner as a regular flange with the mounting holes around the perimeter and the gasket sealing rings machined into the mating surface. The difference is that a blind flange has no opening to allow fluid to pass through. The blind flange can be inserted between two open flanges and used to block off the flow of liquid through a pipeline. Without the blind flange it would be difficult to perform maintenance or repairs on a pipeline. The flow would need to be shut off at the nearest valve, which could be miles away from the repair area. Valves are also very expensive and are prone to sticking. The blind flange is a much more cost efficient way of sealing a pipe.
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Gear Blanks
Cold Rolled Steel Sheets
Control Arm
Toothed Ring Hammer
Crown Wheel Pinion
Bull Gear
Forged Gear Blank
Crown gear
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