The blowdown valves provide a simple yet elegant solution. These specialised valves periodically discharge a controlled amount of water and sediment from the boiler, thereby helping to regulate the levels of suspended solids and total dissolved solids (TDS). Boiler blowdown is a severe service application that standard valves are not equipped to handle.
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Introduction to Blowdown Valves - IndiTech Valves
IndiTech Valves Pvt. Ltd.
An Introduction to
Blowdown Valves
16/06/2020
What is Blowdown Valve (BDV)?
• It is used in the process of
removal of a certain quantity of
contaminated water from the
boiler.
• The function of a blowdown valve
is to control the concentrations of
suspended & total dissolved
solids (TDS) in the boiler.
Introduction of IndiTech
Blowdown Valves
•Blowdown valves play a crucial role in the operation and
maintenance of various industrial systems, particularly in
steam boilers.
•These valves are designed to release or "blow down" water
and impurities from the boiler to maintain optimal operating
conditions and ensure the safety and efficiency of the system.
•The function of a blowdown valve is to control the
concentrations of suspended & total dissolved solids (TDS) in
the boiler.
Types of BDV
Continuous Blowdown Intermittent Blowdown
(CBD) Valve (IBD) Valve
•
• IBD is mounted at the bottom CBD is mounted at the water of boiler drum. Hence it is
level of boiler drum. Hence it is called BOTTOM BLOWDOWN
called SURFACE BLOWDOWN.
•
• It is MULTIPLE step trim.It is SINGLE step trim.
•
• IBD is operated after intervals It is in continuous operation of time hence ON-OFF duty is
hence inching duty is preferred preferred
USPs of IndiTech BDVs
• IndiTech Continuous Blowdown Valve (CBD) 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.
• IndiTech Intermittent Blowdown Valve (IBD) 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.
Manufacturing Range of
IndiTech BDVs
End Flanged / Socket Weld /
Size NPS 1 to NPS 3 Connection Butt Weld
Pressure CL 300 to CL 2500 Leakage As per API 598
Rating Class
Body A105 /A182F11/F22/F316/ Operations Manual / Motorized
Material A350Lf2
Used in Various Industries
Power Distillery
Sugar Steel
Paper
Turbine
Client list
. . .
. Steel . Power
Industries Oil & Gas . Industries .
Industries
. . . . .
Client list
. . .
. Boiler . . .Sugar &Turbine Pump . Industries IndustriesIndustries .
. . .. .
Thank You!
www.inditechvalves.com [email protected]
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