上海霍尼韦尔S245B-honeywell气体有毒检测MIDAS-E-霍尼韦尔上海霍达实业 Options Ordering Example S245B- ... ZA*...= Safety valve, set pressure 1.0 -12.0 bar S245B- ... ZB*...=Safety valve, set pressure < 1.0 or > 12.0 bar Connection size Set pressure S245B-3/4ZA* 5.8 = Safety valve (soft seat version), size 3/4", set pressure 5.8 bar S245B-1ZB* 0.8 = Safety valve (soft seat version), size 1", set pressure 0.8 bar S245B-11/2ZA3.7 S245B-11/2ZA8.8 S245B-11/4ZA8.8 S245B-2ZA3.7 S245B-2ZA8.8 S245B-1ZA8.8 S245B-34ZA11.5 S245B-12ZB1.0 S245B-114ZA11.0 S245B-12ZA4.5 上海霍达实业///上海霍尼韦尔S245B-honeywell气体有毒检测MIDAS-E-霍尼韦尔上海霍达实业