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

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:

  1. Designed for use with PN16 flanged systems

  2. Complies with BS EN 593 for valve construction and performance

  3. High-strength ductile iron body ensures long service life

  4. Disc material options for different operational environments

  5. EPDM or Nitrile seat liners provide reliable sealing performance

  6. 420 stainless steel shaft for maximum strength and durability

  7. 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:

  1. Designed for use with PN16 flanged systems

  2. Complies with BS EN 593 for valve construction and performance

  3. High-strength ductile iron body ensures long service life

  4. Disc material options for different operational environments

  5. EPDM or Nitrile seat liners provide reliable sealing performance

  6. 420 stainless steel shaft for maximum strength and durability

  7. 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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