Tilting-Disc Non-Return Valve with Counter Weight (NTF)

This type of valve is used in the water supply system to stop the fluid flow in the opposite direction. The valve closing speed can be adjusted by changing the weight position along the lever. All of the seals of the valve bearing can easily be replaced. The standard seal material is NBR for up to 70°C. For higher temperatures and other fluids, the suitable seal material is available on request.

 


Size (mm): 100-2000

Pressure rating: 6-40 (bar)
Body Material: All Types of Ductile Cast Iron, Cast Steel, Stainless Steel, Copper Alloys
Disc Material: All Types of Ductile Cast Iron, Cast Steel, Stainless Steel, Copper Alloys

Paint Coating :
Electrostatic epoxy powder (RAL 5005 or 5015) with min. thickness 250 micron.

Product Features:
Reliable design
Maintenance free
short face-to-face dimensions and low weight
Body seat ring is made of corrosion-resistant steel
Possibility for installation of weight and lever on both sides
Eccentric disc operation
The disc seat ring is corrosion-resistant steel with a seal for reliable sealing
The disc and shaft are connected by key