Boiler Feed Check Valves
Blackhall’s range of boiler feed check valves is engineered to regulate and safeguard the feedwater flow from pumps into steam boilers while preventing reverse flow under back pressure. Manufactured in cast steel and bronze, these valves are purpose-built for power generation, process plants, and industrial boiler rooms. The integrated check mechanism ensures automatic sealing when pump pressure drops, preserving boiler pressure integrity and operational safety.
- Application: Steam Boiler Feedwater Control
- Material Options: Cast Steel (ASTM A216 WCB), Bronze (BS 1400 LG2)
- End Connections: Flanged (BS EN or ANSI available)
- Size Range: 0.5" – 3" (DN15 – DN80)
- Temperature Range: Up to 232°C (saturated steam)
- Pressure Ratings: 25.5 – 34.5 bar depending on series
- Design Feature: Integrated check valve with withdrawable branch – ideal for rapid maintenance without depressurisation
Why Choose Blackhall Feed Check Valves?
With over 60 years of British valve engineering heritage, Blackhall's boiler feed check valves deliver precise shut-off control and high-cycle durability. Designed to comply with rigorous boiler house standards, they are suitable for both new installations and legacy plant upgrades. Our feed check valves ensure reliability in high-temperature, high-pressure steam environments where system uptime and safety are critical.
Non-Return Safety
Prevents backflow from boiler to feedwater pump during shutdown or pressure reversal.
Service-Friendly Design
Withdrawable check branch allows inspection and reseating without disturbing live boiler lines.
Versatile Series Range
Available in horizontal, vertical and elbow inlet configurations to suit your boiler layout.
Available Valve Series
Series 5492
Size Range: 2" – 3" (DN50 – DN80)
Material: Cast Steel
End Connections: Flanged
Max Temperature: 210°C
Max Pressure: 25.9 bar
Series 5392
Size Range: 2" – 3" (DN50 – DN80)
Material: Cast Steel
End Connections: Flanged
Max Temperature: 232°C
Max Pressure: 34.5 bar
Series 478
Type: Elbow Inlet
Size Range: 1.5" – 3" (DN40 – DN80)
Material: Cast Steel
End Connections: Flanged
Max Temperature: 232°C
Max Pressure: 26 bar
Series 480
Type: Vertical Inlet
Size Range: 1.5" – 3" (DN40 – DN80)
Material: Cast Steel
End Connections: Flanged
Max Temperature: 232°C
Max Pressure: 26 bar
Series 818/896N
Size Range: 0.5" – 2" (DN15 – DN50)
Material: Bronze
End Connections: Flanged
Max Temperature: 220°C
Max Pressure: 25.5 bar
Need Expert Valve Guidance?
Speak with Blackhall’s boiler specialists to identify the right feed check valve series for your application. We offer tailored advice for both new builds and retrofit upgrades.
Send us your enquiry