The Spirax Sarco BDV60 boiler blowdown vessel features a carbon steel body and is designed in strict accordance with ASME VIII DIV 1 2015. It provides PN16 vessel design conditions and is fitted with PN16 flange connections. With water storage capacities ranging from 96 L to 1350 L, it is specifically designed for blowdown handling in steam boiler systems. It is suitable for boiler bottom blowdown, TDS automatic control blowdown, continuous blowdown, level control chamber and gauge glass discharge, and can effectively handle drainage from boiler blowdown heat recovery systems.
BDV60 Product Photograph
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Spirax Sarco BDV60 Boiler Blowdown Vessel
Boiler blowdown vessel for bottom blowdown, TDS control, and heat recovery, with PN16 flange connections.
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Specifications
- Design Standard
- ASME VIII DIV 1 2015
- Body Material
- Carbon steel
- Vessel Design Conditions
- PN16
- Maximum Allowable Pressure
- 7 bar g @ 171°C
- Maximum Allowable Temperature
- 171°C @ 7 bar g
- Minimum Allowable Temperature
- -10°C
- Maximum Operating Pressure
- 0.35 bar g
- Maximum Operating Temperature
- 109°C
- Minimum Operating Temperature
- 0°C
- Maximum Design Cold Hydraulic Test Pressure
- 11 bar g
- Inlet Size
- DN100, DN150, DN200 (PN16 flange)
- Outlet Size
- DN80, DN100, DN150 (PN16 flange)
- Level Control Inlet
- DN25 PN16
- Flange Standard
- EN 1092 PN16 (optional ASME Class 150/300)
- Water Storage Capacity
- 96 L to 1350 L
- Dry Weight
- 185 kg to 910 kg
- Coating
- Blue heat-resistant paint
- Safety Certification
- CE (2014/68/EU), PM60
Application scenarios
Steam Boiler Bottom Blowdown Handling
The BDV60 blowdown vessel is designed to receive and handle discharge from manual or automatic boiler bottom blowdown.
Boiler TDS Automatic Control Blowdown Handling
The BDV60 blowdown vessel is designed to handle discharge from boiler TDS automatic control systems.
Boiler Continuous Blowdown Handling
The BDV60 blowdown vessel is designed to handle discharge from continuous blowdown through manually controlled discharge valves.
Boiler Level Control Chamber and Gauge Glass Discharge Handling
The BDV60 blowdown vessel is designed to handle discharge from level control chambers and gauge glasses.
Boiler Blowdown Heat Recovery System Drainage Handling
The BDV60 blowdown vessel is designed to handle drainage from heat recovery systems.
FAQ
What blowdown applications is the BDV60 blowdown vessel primarily suitable for?
The BDV60 blowdown vessel can handle manual or automatic bottom blowdown, blowdown from TDS automatic control systems, continuous blowdown through manually controlled discharge valves, discharge from level control chambers and gauge glasses, and drainage from heat recovery systems.
How should the BDV60 blowdown vessel be selected?
Selection should be based on flow rate and flash steam quantity, together with boiler pressure, number of boilers, blowdown interval, blowdown pipe size, pipe length from the boiler to the blowdown vessel, and boiler procedures. The water storage capacity should be at least twice the maximum blowdown quantity. Select a larger size where capacity is insufficient.
How should an equivalent straight pipe length of less than 7 m in the blowdown piping be handled?
The equivalent straight pipe length should include the additional equivalent lengths of installed valves and fittings. If the calculated result is less than 7 m, multiply the actual boiler pressure by 1.15 when determining the model from the selection table.
What are the pressure and temperature limits of the BDV60 blowdown vessel?
The vessel design condition is PN16. The maximum allowable pressure is 7 bar g (171°C), and the maximum allowable temperature is 171°C (7 bar g). The maximum operating pressure is 0.35 bar g, the maximum operating temperature is 109°C, the minimum operating temperature is 0°C, and the minimum allowable temperature is -10°C.
How is the BDV60 blowdown vessel maintained?
The blowdown vessel should be drained at least once every 6 months to remove sludge, and it must be filled with water before being returned to service. A thorough inspection should be conducted by qualified personnel every 14 months or during each boiler overhaul.