Vartsila offers Concealed Flush Valve with Built in Stop Cock. Vartsila is an ISO 9001:2000 accredited company. The Company also manufactures Clean Strainer, Air Vent Valve, Pressure Reducing Valve, Concealed Flush Valve, Drainn Gun. The Concealed Flush Valve with Built in Stop Cock is fitted straight into the pipe so no extra fitting / adjustments are required. The Concealed Flush Valve with Built in Stop Cock allows immediate and thorough opening of the valve even at low pressure. This Valve also has smooth shut off to avoid water hammer.