A46Y(f)先导式安全阀外形尺寸和连接尺寸PN64～100PN160DNDN'doLL1≈HDNDN'doLL1≈H25321511010037225501312112644525501511411138540501614014946032402013011039850803217116749540502512112441080100481811915155065321601304451001506023324957550803212413745865804017516048580100501621624961001256519519552010015065210197538150200100241246638200250125279297715)