The PARVEEN High-Temperature Gate Valve uses a parallel expanding gate to obtain a perfect shut-off. The sealing is metal – to metal, both on the up and downstream of the valve, and unaffected by vibration and heat. The valve is the standard Model ‘E’ gate valve, modified with an extended bonnet and stem to place the stem packing outside the critical heat zone. Other features and trim charts shall remain the same for model ‘E’ gate valves.