LT butterfly valve

DN50-600”LT”型蝶阀分别适用于PN1.0/PN1.6Mpa二种压力级，表中每格有两个尺寸的分别表示PN1.0/PN1.6Mpa二种压力级连接尺寸。与阀门连接的管法兰连接尺寸参照法兰连接尺寸表。蝶阀上法兰可通用于手动、蜗轮蜗杆传动、电动、气动、等传动装置。

LT型蝶阀的结构、性能、零件的材质与A型均相同，区别在于A型可通过双头螺柱（或加长六角螺栓）对夹连接在两管法兰之间（即对夹式）。LT型除通过两普通六角螺栓连接在两管路之间外，还可以安装在管端（即单夹式）作为排空阀使用，但需在订货合同中注明管端使用。

注:DN50(2")~600(24")Type"LT" butterfly valve are suitable for the pressure grades of PN1.0Mpa and PN1.6MPa separately .Two dimensions in one column how two connection dimensions of PN1.0/PN1.6Mpa pressure grade. For the connection dimensions of pipe flanges mounted to the valve.Please refer to the Connection Dimen-sions of flanges Table. The upper flanges of the butterfly valves accommodates all types of operaters:manual,wormgear,electric and pniumatic actuators.

Difference between Type "A"and"LT":Both Type"A"and"LT"have the same construction and performances and are made of the same materials. The main difference between them is that type “A”valves are mounted between pipe flanges(wafer type)by bolts (or extended hexagon-head bolts),while type“LT”can be either mounted betweentwo pipes by ordinary hexagon head bolts or mounted on the pipe end(lugged-type),As the valve is used at the end of pipe line.it is necessary to indicate in order.

法兰连接尺寸符合：G4216,DIN2501,BS4504,BS10-E,JISB2220,AS2129,ANSI B16.1等标准。