Check Valve Applications - Machine tools, Construction & heavy-duty industries - Shipbuilding equipments applications. Check valve is a mechanical device which is normally used to allow easy flow of fluid or gas to in a linear direction. All our products are built using high quality materials thus offering longer durability and efficiency. We are an ISO 9001 & 14001 certified company offering environment friendly products. Our aim is to set high standards in the valve manufacturing and supplying industry through continuous R&D and process improvement. Our grease valve fins application is various types of industries including heavy-duty operational enviromnets.