Nominal pressure (PN): 4,8,10,4.5,1.3,4.9,13.6 Brand: Guangzhou-type ball valve Action object: water valve standard: national standard structure form: fixed ball valve nominal diameter (DN): 1,1/2,3/4, DN32, DN15, DN20, DN50, DN40, DN65, DN80 Accessories: valve body material: stainless steel flow direction: two-way connection form: thread shape: ball temperature environment: normal temperature specification and model: half steel DN15 heavy * DN15-DN50, half steel DN20 heavy * DN15-DN50, Half steel DN25 heavy * DN15-DN50, half steel DN32 heavy * DN15-DN50, half steel DN40 heavy * DN15-DN50, half steel DN50 heavy * DN15-DN50, all steel DN65 heavy * DN15-DN50, all steel DN80 heavy * DN15-DN50, all steel DN15, all steel DN20, all steel DN25, all steel DN32, all steel DN40, all steel DN50, all steel heavy DN15, all steel heavy DN20, all steel heavy DN25, all steel heavy DN20, all steel heavy DN25, all steel heavy DN32, all steel heavy DN40, all steel heavy DN50, all steel heavy DN65, all steel heavy DN80, Function of semi-steel DN15 handle valve: regulating type (channel position): straight-through pressure environment: normal pressure driving mode: manual applicable medium: various highly corrosive chemical media