Tilting-Disc Check Valve with Hydraulic Damping System Type 1 (NTF)

Equipping this product with a Hydraulic Damping system, the closing speed will be controlled at the end of disc movement, so surge effect damps.
Valve closing speed is adjustable through displacing of weight on the lever and adjusting the orifice on the cylinder.
Because of the shaft design, It is possible to mount the weight and damping system on each side or both sides of the valve.

 

Size (mm) : 200-2000
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

Coating:
Electrostatic epoxy powder RAL 5005 or 5015 with min. DFT 250 micron.

Features:

• Reliable design
• Eccentric disc pattern
• One-Piece Stainless steel body seat ring
• One-Piece Stainless steel Disc seat ring with O-ring for better sealing
• Possibility to mount weight and lever on both sides
• Short body and low weight
• Disc to shaft connection with key
• Operation in low differential pressure
• Possibility to install the valve in horizontal and vertical pipeline
• Different alternatives for weight position acc. to Mirab catalogue