The Dual Plate Check Valve is an all purpose non return valve that is much stronger, lighter in weight and smaller in size compared to a conventional swing check valve or lift check valve. SVC Dual Plate Check Valve is the most versatile design available in specific materials of construction to suit particular pressure, temperature and fluid flow characteristics. Some of the typical applications are as below. SVC Dual Plate Check Valve is the most versatile design available in specific materials of construction to suit particular pressure, temperature and fluid flow characteristics. Some of the typical applications are as below. Water Supply Systems, Fire Water Systems, Cooling Water, Chilled /Hot Water Systems, Boiler Feed Water, Sea Water, Potable Water, Raw Water etc