

NIAGARA Butterfly Valve – Models FFB20 / FFB21 / FFSD30 / FFSD31 / FFS40 / FFS41
Flanged butterfly valve made of ductile iron, designed to meet BS EN 593 standards, offering reliable flow control with multiple disc and seat liner options.
Technical Data | |
---|---|
End Connections | Compatible with BS EN 1092-2 PN16 flanges |
Material: | Ductile Iron |
Pressure Rating: | PN16 |
Size: | 50mm to 200mm |

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- Description
- Additional information
Description
NIAGARA Butterfly Valve – Models FFB20 / FFB21 / FFSD30 / FFSD31 / FFS40 / FFS41
These models represent flanged butterfly valves designed in accordance with BS EN 593 and compatible with BS EN 1092-2 PN16 flanges.
Constructed from high-grade ductile iron, these valves provide excellent durability, corrosion resistance, and long-term operational reliability.
The valve design allows for the use of stainless steel or aluminium bronze discs and EPDM or Nitrile seat liners, making it suitable for a wide range of media and temperature conditions.
With 420 stainless steel shafts, the valves deliver superior mechanical strength and safe operation even under demanding conditions.
Technical Specifications:
-
Size: 50mm to 200mm
-
Pressure Rating: PN16
-
Material: Ductile Iron
-
End Connections: Compatible with BS EN 1092-2 PN16 flanges
Features:
-
Designed for use with PN16 flanged systems
-
Complies with BS EN 593 for valve construction and performance
-
High-strength ductile iron body ensures long service life
-
Disc material options for different operational environments
-
EPDM or Nitrile seat liners provide reliable sealing performance
-
420 stainless steel shaft for maximum strength and durability
-
Compact, corrosion-resistant, and low-maintenance design
Applications:
Suitable for water treatment, HVAC systems, industrial flow control, and general-purpose piping systems where PN16-rated pressure performance is required.
Additional information
Size: | 50mm to 200mm |
---|---|
Pressure Rating: | PN16 |
End Connections | Compatible with BS EN 1092-2 PN16 flanges |
Material: | Ductile Iron |
Overview
NIAGARA Butterfly Valve – Models FFB20 / FFB21 / FFSD30 / FFSD31 / FFS40 / FFS41
These models represent flanged butterfly valves designed in accordance with BS EN 593 and compatible with BS EN 1092-2 PN16 flanges.
Constructed from high-grade ductile iron, these valves provide excellent durability, corrosion resistance, and long-term operational reliability.
The valve design allows for the use of stainless steel or aluminium bronze discs and EPDM or Nitrile seat liners, making it suitable for a wide range of media and temperature conditions.
With 420 stainless steel shafts, the valves deliver superior mechanical strength and safe operation even under demanding conditions.
Technical Specifications:
-
Size: 50mm to 200mm
-
Pressure Rating: PN16
-
Material: Ductile Iron
-
End Connections: Compatible with BS EN 1092-2 PN16 flanges
Features:
-
Designed for use with PN16 flanged systems
-
Complies with BS EN 593 for valve construction and performance
-
High-strength ductile iron body ensures long service life
-
Disc material options for different operational environments
-
EPDM or Nitrile seat liners provide reliable sealing performance
-
420 stainless steel shaft for maximum strength and durability
-
Compact, corrosion-resistant, and low-maintenance design
Applications:
Suitable for water treatment, HVAC systems, industrial flow control, and general-purpose piping systems where PN16-rated pressure performance is required.
Details
specifications | |
---|---|
End Connections | Compatible with BS EN 1092-2 PN16 flanges |
Material: | Ductile Iron |
Pressure Rating: | PN16 |
Size: | 50mm to 200mm |
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