MIRAB non-return valves with counterweight can be equipped with a hydraulic damping system for adjusting the opening and closing speed. With the damping system, the opening and closing time can be adjusted, and the water hammer effect can be prevented by adjusting the damping time.
Tilting-Disc Check Valve with Hydraulic Damping System Type 2 (NTF)
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
Paint Coating :
Electrostatic epoxy powder (RAL 5005 or 5015) with min. thickness 250 micron.
Application :
To provide non-slam performance in places where water returns through the valve are permitted. A flow control valve can adjust the opening and closing speed of a non-return valve disc
Product 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
