Valves and Valve Assemblies - AT Controls
Valves and Valve Assemblies - AT Controls
Valves and Valve Assemblies - AT Controls
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<strong><strong>Valve</strong>s</strong> <strong>and</strong>valve assembliesfor liquid <strong>and</strong>gas shut-offThese assemblies are FM approvedfor use in applications requiringprotection for fuel burning equipmentper FM class 7400, 7420 <strong>and</strong> 7422.The components include a springreturn automated ball valve,explosion-proof limit switch <strong>and</strong>solenoid pilot valve. <strong><strong>Valve</strong>s</strong> areavailable in 3-piece or flangeddesign. 3-piece design offersthreaded, socket weld or butt weldend connections. Flanged valves areavailable with 150# <strong>and</strong> 300# flangerating. Available in sizes 1/2"- 6".<strong>Assemblies</strong> feature the latest inquarter-turn automation, rack <strong>and</strong>pinion actuator design; a markedimprovement from the olderspring-diaphragm technology. Theactuator, combined with the superiorvalve seating <strong>and</strong> stem seal design,provides for reliable <strong>and</strong> consistentclosure when needed. Theseassemblies provide for a compact fuelgas safety shut-off system.<strong>Valve</strong> <strong>Assemblies</strong> for Gas <strong>and</strong>Oil Shut-off Requirements• 316SS or WCB valves• 3-piece <strong>and</strong> flanged valves• Manual safety cocks <strong>and</strong> automated safetyshut-off valves• Solenoid approved for waterproof <strong>and</strong>explosion-proof environments• <strong><strong>Valve</strong>s</strong> feature pyramidal stem seal systemLock SaddleBelleville WasherGl<strong>and</strong>Chevron PackingPyramidal (45° ) Stem& Stem SealStem NutBushingAnti-Static DeviceGer many Patent No. 299 02 532.2United States Patent No. 5,954,088China Patent No. ZL 98 2 09161.3Supervisory CocksGas <strong>and</strong> Oil Safety Shut-off2
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