双杠杆安全阀一、双杠杆安全阀GA44H-16C/25/40GA44H-64概述GA44H型安全阀适用于温度≤450℃的空气、蒸汽等介质的设备和管路上作为超压保护装置。二、双杠杆安全阀主要零部件材料说明GA44H型安全阀的主要零件材料和GA42H-16C/25/40安全阀的相同。三、双杠杆安全阀外形尺寸和连接尺寸型号公称通径尺寸do-zDD1D2D6ff2bZ-ødHL承插式法兰式d1k2k3D3DN'D2'D1'D'b'f'z1-ød1GA44H-1.68050×2200160135/3/208-184108401201451621901502102402802438-23GA44H-2.58050×2200160135/3/228-184108401201451621901502102402802438-23GA44H-4.08050×220016013512134228-184108401201451621901502102402802438-23GA44H-6.48040×221017014012134308-234808402002182532852002552803152238-18)