Blowdown Valves
40,000 - 200,000 Per Piece
1 Piece(s) (MOQ)
The primary function of a blowdown valve is to control the concentrations of suspended & total dissolved solids (TDS) in the boiler. Boiler blowdown is a severe service application which results in rapid erosion and wearing out of conventional valves. Continuous Blowdown (CBD) valves are designed to operate in continuous open position by releasing water continuously through a blowdown tap near the boiler water surface, thereby maintaining the TDS level in the boiler drum. IndiTech Continuous Blowdown Valve is an angle type valve with a needle shaped trim in a venturi diffuser. The venturi diffuser provides sufficient area for the high velocity flashing water, thereby avoiding choked flow. Intermittent Blowdown (IBD) valves are designed to operate at predetermined intervals by releasing water & accumulated sludge periodically through a blowdown tap near the bottom of the boiler. The primary requirement of these valves is to provide tight shut-off even after repetitive blowdown operations. Earlier, these two functions (blowdown and sealing) were performed by two different valves installed in series and operated in a definite sequence. IndiTech Intermittent Blowdown Valve carries out both these functions in sequence i.e. blowdown in open position and sealing in closed position. This is achieved by providing a multi-step throttling plug, which splits the total pressure drop across each step. The sealing area is separate from the throttling area, which reduces erosion and provides leak tightness even after prolonged usage. Features Separate trim design for CBD and IBD Pressure seal bonnet for ANSI #1500 and #2500 Stellited plug-spindle & seat Integral plug-spindle Extra-long gland packing with provision of online maintenance Quick and easy installation, dismantling & maintenance Approved under IBR (Indian Boiler Regulation Act).
Motorized Intermittent Blow Down Valves
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2 Piece(s) (MOQ)
The primary function of a blowdown valve is to control the concentrations of suspended & total dissolved solids (tds) in the boiler. Boiler blowdown is a severe service application which results in rapid erosion and wearing out of conventional valves. Continuous blowdown (cbd) valves are designed to operate in continuous open position by releasing water continuously through a blowdown tap near the boiler water surface, thereby maintaining the tds level in the boiler drum. Inditech continuous blowdown valve is an angle type valve with a needle shaped trim in a venturi diffuser. The venturi diffuser provides sufficient area for the high velocity flashing water, thereby avoiding choked flow.
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Blow Down Valves, pressure reducing cum desuperheating valve
blow down valve
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Raw water contains impurities in the form of dissolved gases, dissolved Solids and suspended solids. Chemical water treatment may modify the form of the impurities but will not completely remove them and will normally increase the dissolved solids level. As steam is evaporated the concentration of total dissolved solids (TDS) increase in the boiler water. If the TDS concentration is allowed to get too high then carryover of boiler water with stem will occur. This carryover can cause serious damage to the steam and condensate systems through corrosion and deposition on heat transfer surfaces. The consequent product contamination cannot be tolerated in application where steam is used in food, drink and medical sterilization processes.
blow down valve
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