Profile: Waterfront Engineering Services Ltd. specializes in offering installation and commissioning services for penstocks & valves. Our penstocks is used for isolation of fluids and flow control applications. Our butterfly valve is resilient seated and hence gives droptight closure over long periods. It is not used in sewage installation services. Our flap valves are designed and manufactured for use in industrial and domestic effluent environments. Our flap valves are obtained from steel or stainless. We are accredited with ISO 9001:2000 certification.