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:

  • 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:

1. Rugged ductile iron body for long service life

2. WRAS approved for potable water (-10°C to 80°C)

3. Semi-lugged design fits multiple flange standards

4. Anti-blowout stem ensures safe and reliable performance

5. Epoxy-coated body for maximum corrosion resistance

6. Suitable for Level 3 C3 (medium) corrosion protection

7. Maintenance-free construction minimizing downtime

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