dOUBLE BLOCK AND BLEED VALVES
The Alco Hi-Tek range of Double Block and Bleed valves offer reliability and efficiency for the most demanding of applications. Available in both ASME and API ratings these valves are offered in metal and soft seated options with superior bubble tight sealing capabilities at high pressures and temperatures. The valves are designed and tested to the latest ASME and API design codes with full manufacturing traceability in accordance with BS EN 10204 3.1 or 3.2 certification.
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BQ Series Flange x Flange 1 Piece Valve
Double Block, Ball Ball configuration, double flanged valve manifold utilising soft seats, for superior, bubble tight sealing capabilities at both high pressures and temperatures. Incorporated into a single body design with insert sealing to prevent leakage and flow medium loss.
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BQ Series Flange x Screw 1 Piece Valve
Double block, Ball Ball configuration, single flanged valve manifold utilising soft seating for superior, bubble tight sealing capabilities at both high pressures and temperatures.
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DE Series Flange x Screw 1 Piece Valve
Double Block and Bleed, Ball Needle Ball configuration, Single flange valve manifold utilising both soft seat and metal to metal seat, with bonnet to body connection for superior bubble tight sealing capabilities at both high pressure and temperatures
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OB Series Flange x Flange 3 Piece Valve
Double Block and Bleed, Ball Bolted Needle Ball configuration, bar stock manifold with multiple Flange by Flange connection options, utilising both soft and metal seats, with flange to body connection for superior, bubble tight sealing capabilities at both high pressures and temperatures
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OB Series Flange x Screw 1 Piece Valve
Double Block and Bleed, Ball Bolted Needle Ball Configuration, single flanged valve manifold utilising soft seated ball valves and a metal to metal seated needle valve with bonnet to body connection for superior, bubble tight sealing capabilities at both high pressures and temperatures
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OB Series Flange x Screw 3 Piece Valve
Double Block and Bleed, Ball Bolted Needle Ball configuration, bar stock manifold with multiple Flange by Screw connection options, utilising both soft and metal seats, with flange to body connection for superior, bubble tight sealing capabilities at both high pressures and temperatures
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TB Twin Blok II Type Valve
Double Block and Bleed, Ball Needle Ball configuration, double flanged valve manifold utilising both soft and metal seats, with a single body to body connection for superior, bubble tight sealing capabilities. This compact range meets ASME B16.10 face to face measurements.
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V Series Flange x Flange 1 Piece Valve
Double Block and Bleed, Ball Needle Ball configuration, double flanged valve manifold utilising both soft seat and metal to metal seat, with bonnet to body connection for superior, bubble tight sealing capabilities at both high pressures and temperatures.
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V Series Flange x Flange 3 Piece Valve
Double Block and Bleed, Ball Needle Ball configuration, bar stock manifold with multiple Flange by Flange connection options, utilising both soft and metal seats, with flange to body connection for superior, bubble tight sealing capabilities at both high pressures and temperatures
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