The TWT Dual Plate Check Valve is a lightweight and compact check valve with a pair of clamping structures. It has excellent flexible sealing and airtight closing performance. The double spring distributes the load force evenly and reacts more quickly. The valve lining has several synthetic rubber materials and available to meet most corrosive applications. Flexibility of the mounting position reduces the pressure loss and improves dynamic response characteristics, and also eliminates valve vibration occurrence. The F700 Dual Plate Check Valve is easy to install and comes in a variety of different sizes.