据报道,南非约翰内斯堡研制出了世界上第一种“超安全”整体真空截止阀,以及用于高压气缸的调节器。该截止阀与调节器适合于采矿与工程方面的要求。这种称做 Va-cureg的产品同时还有一个附加的排气管.在应用方面已经取得了几项专利。其安全特点是:如发生软管损坏或气体漏泄情况时,能自动切断。该截止阀直接旋进乙炔阀,从而可防止事故发 It is reported that Johannesburg, South Africa has developed the world’s first “ultra-safe” integrated vacuum globe valve, and regulators for high-pressure cylinders. The shut-off valve and regulator are suitable for mining and engineering requirements. This product, called Va-cureg, also has an additional exhaust pipe, and several patents have been obtained for the application. Its safety features are: In the case of hose damage or gas leaks, can automatically cut off. The stop valve directly into the acetylene valve, which can prevent accidents