пневматический 2-этап регулируемый шаровой клапан

We constantly strives to provide the excellent products and customer service to achieve our customer satisfaction.we have devoted ourselv to designing according to the needs of the clients. uses and structural features of products: Pneumatic ball valve series are widely used in natural gas, oil, chemical industry, metallurgy, papermaking, power, mineing , printing and dying , biological pharmacy, daily chemicals, foodstuff and beverage, water treatment and air treatment etc. for the automatic or adjustment or adjustment control of fluid, together with automatic pneumatic meters.