Hand solenoid valve - quick exhaust valve solenoid valve gas control valve VERSA products are the world's top brands, mainly used in petrochemical, natural gas, nuclear power, thermal power, offshore oil platforms, shipbuilding, railroad locomotives, water treatment, air compressor, gas separation machinery, gas compressors, engines, pneumatic valve control, oil and gas wellhead control, downhole control, analysis hut, construction machinery, road equipment. The petrochemical industry, especially the offshore oil industry is one of the few globally recognized brand. And ASCO NORGREN HERION MAXSEAL BISVALVES BIFOLD PARKER NADI par, is one of China's petrochemical industry recommended brand. Product range, quality, service and quick. Certification complete ATEX CSA UL IEC / EX SIL3 diverse materials: Aluminum Brass Stainless versatile: redundant valve shunt valve mixing valve gas control valve manual valve valve quick exhaust valve button valve pressure relief valve shuttle valve flow control valve mechanical touch The modular pneumatic valve solenoid valve control combination, manual, pneumatic control valve combination. Complete specifications: from 1/8 to 1-1 / 4 for a variety of environments: General Environmental temperature environment (-60 degrees) high-temperature environment (180) Intrinsically Safe increased safety flameproof humid environments (IP68) Low power consumption : Coil lowest power 0.85W long life: that all valves 10 million times without lubrication life, there are 20 million times the lubrication life quality and reliability: 100% tested before delivery to detect VGG-4422-U-A240 BSP-3308-316 VSG-3321- 316-XDBT4-44-D024 VGG-3521-316-XDBT4-D024 VAG-3421-316-181D-XDBT4-D024 VSP-3501-316-44 VPS-4302-316