单杠杆安全阀外形尺寸和连接尺寸公称通径尺寸doLL1DKg1fbz-?dDN＇D1K1g2b1f＇z-?d125201008511585652164-142511585651624-143225115100140100782184-1832140100781824-184032120110150110853184-1840150110851834-1850401351201651251003204-18501651251002034-1880651601352001601353208-18802001601352038-18100801701602201801553228-181002201801552238-181501252051952852402103248-231502852402102438-2320015024023034029526532612-2320034029526526312-23注：PN2.5、PN4.0MPa尺寸参照A41H-25/40型尺寸表。GA42H-16C/25/40GA42H-100GA42H型安全阀适用于温度≤450℃的电站锅炉和压力容器上，防止压力超过允许***高值，介质可为蒸汽、空气。GA42H结构图主要零部件材料NO.零件名称材料1阀体碳钢2导向套不锈钢3阀瓣2Cr134阀杆2Cr135杠杆碳钢6重锤铸铁外形尺寸和连接尺寸型号公称通径尺寸do-zDD1D2D6ff1bZ-?dLH出口法兰式出口承插式DN＇D2＇D1＇D＇n-Md1K2K3D3GA42H-165040×1165125100/3/164-188404121251752002358-M16120145162190GA42H-255040×1165125100/3/204-188404121251752002358-M16120145162190GA42H-405040×11651251008834204-188404121251752002358-M16120145162190GA42H-645040×11751351058834264-238404201251752002358-M16120145162190GA42H-1005040×11951451128834284-258404201251752002358-M16120145162190)