NIAGARA Butterfly Valve – Models FS50W & FS50GW

Description

NIAGARA Butterfly Valve – Models FS50W & FS50GW
The FS50W and FS50GW models are semi-lugged butterfly valves made from ductile iron, designed for reliable operation in potable water and industrial applications.
These valves are WRAS approved for water use up to 80°C, featuring a compact notch plate design and anti-blowout stem for safe and easy control.
A fully bonded epoxy coating ensures superior resistance to corrosion and harsh environments, making them ideal for long-term installations.

Technical Specifications:

• Size:

  • Fig. 950W: 50mm to 200mm

  • Fig. 950GW: 50mm to 600mm

• Pressure Rating: PN16

• Material: Ductile Iron

• End Connections: Compatible with PN10, PN16, and Class 125 flanges

• Test pressure:
  Each valve is individually hydrostatically tested
  Seat: 17.6 bar
  Shell: 24 bar

• Pressure / Temperature:

  • PN16 from -10°C to 80°C (WRAS Approved)

  • PN16 from -10°C to 100°C (Non-WRAS)

Features:

• Robust ductile iron valve body for long life service

• WRAS approved for potable water applications -10°C to 80°C

• Valve body semi-lugged to fit PN10, PN16, or Class 125 flanges

• Integrated notch plate for a more compact design

• The anti-blow out stem design provides a safe and secure operation

• Fully bonded epoxy paint system for superior corrosion resistance

• Suitable for applications where Level 3 C3 (Medium) corrosion protection is required

• Maintenance free valve design, reducing downtime

Applications:
Perfect for potable water distribution, HVAC systems, industrial pipelines, and general-purpose flow control.