FMA-5709-I
FMA-5709-I
变频调速器(简称变频器)按其作用可理解为改变电动机电源频率值及电压值的自动化装置,它一般具有免维护、控制精度高,并可以实现高功能化等特点;因而采用变频器驱动的方案开始逐步取代风门、挡板、阀门的控制方案。
现今发展起来的变频器一般主要有由电力电子器件(IGBT模块)、电子器件(集成电路、开关电源、电阻、电容)、微处理器(CPU)等组成,目前,变频器大部分是基于采用交-直-交电源变换技术,电力电子、微电脑控制等技术于一身的综合性电气产品。
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JOHNSON CONTROLS VTM-TN019-314 V-3000-1 250 BRASS 1/2 I
JOHNSON CONTROLS V47AS-1 115-160F 2IN NPT TEMPERATURE G
UNI-GERATE 20-EVA 5 N-3EP DN 15 ELECTRIC PN40 STAINLESS
UNI-GERATE 25-EVSDU-5-NEP DN15 230V ELECTRIC PN40 STAIN
NEW CRANE 212P 1 IN NPT BRONZE THREADED GLOBE VALVE D45
NEW CASHCO 2 MRV CS/SST 2IN PNEUMATIC 300 STEEL FLANGED
NEW HENRY VOGT 15141 2IN STEEL SOCKET WELD GLOBE VALVE
KITZ 141SS 4 IN 300 STAINLESS FLANGED GLOBE VALVE D4437
NEW ROCKWELL-EDWARD F3627 UNIVALVE 1/2 IN STEEL GLOBE V
BAUMANN 32-24588 1 IN NPT PNEUMATIC 250 THREADED GLOBE
JENKINS 8G80 FORGED 2 IN NPT 800 STEEL THREADED GLOBE V
NEW CONVAL 12G2J-F225E-STK?4 3/4IN STEEL SOCKET WELD GLO
陈
NEW PACIFIC 160-1 3 IN 150 STEEL FLANGED GLOBE VALVE D4
NEW JOHNSON CONTROLS V47AC-6 TEMPERATURE GLOBE VALVE BR
NEW FLOWSERVE 1048 1/4 IN NPT IRON THREADED BOLTED BONN
NEW CONVAL 10G2J-1056H-519?9 1-1/2 IN STEEL SOCKET WELD
HONEYWELL V5011N2089 PNEUMATIC ACTUATOR THREADED 1-1/2I
HONEYWELL V5011N2071 MP953C 1018 ACTUATOR BRASS 1-1/4IN
NEW NIBCO T-276-AP BRONZE THREADED 1/2IN NPT GLOBE VALV
METAFLOW J41H-40C SIZE 100 4 IN STEEL FLANGED GLOBE VAL
SPIRAX SARCO KE43 PNEUMATIC STEEL FLANGED 2-1/2 IN GLOB
HONEYWELL MP953D 1131 3 V5011N1024 1/2 IN NPT BRONZE GL
NEW EDWARD VALVE 944 3600WOG 1/4 IN SOCKET WELD STEEL G
HONEYWELL 4-11PSI 29PSI BRASS PNEUMATIC 1/2IN MP953C102
NEW STOCKHAM B-62 200 THREADED BRONZE 2IN NPT GLOBE VAL
NEW ROCKWELL-EDWARD 848Y 3/8IN IRON GLOBE VALVE D408748
NEW JENKINS 1200 SOLDER ENDS RISING STEM 300 BRONZE 3/4
NEW INVENSYS VB-7253-000-4-1?0 250PSI 1-1/2IN NPT 2-WAY
HONEYWELL V5011N2071 MP953D 1107 ACTUATOR BRASS 1-1/4 I
POWERS CD-250NCW08050 125 IRON FLANGED 2-1/2IN GLOBE VA
HONEYWELL V5011N2071 MP953D? ACTUATOR BRASS 1-1/4 IN NP