QRA4.U西门子火焰探测器 德国SIEMENS原装电眼 燃烧机配件 ¥700.00 L404F1094美国霍尼韦尔honeywell 压力开关 压力控制器L404F1102 ¥850.00 RG050-FT-1B/RG032-FT-1B/RG040-FT-1B集咖GECA减压阀 调压阀 ¥600.00 RM7890A1056/1015霍尼韦尔Honeywell控制器RM7890B1014/1048 ¥2500.00 321H2322/2522/7306/322H7106帕克Parker Lucifer电磁阀110V ¥1320.00 VE4015A1146T/1013/1000霍尼韦尔Honeywell燃气电磁阀VE4020A119 ¥650.00