Gate Valves Gate Valve - Parallel Slide Pressure Seal Bonnet | Fluitek Fluitek Valves Gate Valve - Parallel Slide Pressure Seal Bonnet | Fluitek The Gate Valve - Parallel Slide Pressure Seal Bonnet by Fluitek Orsenigo Valves is an advanced alternative to traditional flex wedge gate valves. Featuring a unique design with a two-part, spring-loaded disc that seats on parallel rings, this valve offers several advantages. It prevents blockage in the closed position, requires lower opening/closing... View