The Double Union Ball Check valve employs a free moving ball, which unseats to permit flow in one direction, but seals against a seat to prevent backflow. It may be installed vertically or horizontally. Also can use as foot valve for suction side of pump.

Recommend Applications:

Chemical processing, bleach plants, aquariums, mining, water treatment, landfills, Swimming pools, Power Plant

Advantages

• New CUP shape ball can stop water by just 0.5kg pressure
• Materials meet drinking water standard
• 100% pure virgin material, CaCO3 free (Chalk)
• UV resistant powder added
• Can be assembled vertically or horizontally

Design:

• Union-end plane after turning to ensure a more reliable flatness
• Increase the nut-solid, thread taper and laps, improved pressure-resistant
• Thickening O-ring, more toughness, sealing better
• Seat is designed to fix the sealing performance
• From the platform to the half-ball sealing, more reliable performance, sealing pressure levels increased (0.5kg-10kg), and it can easy to install by horizontal or vertical
• In the ribs from three to six, making better diversion