为是自动控制的“体力”。在调节器的低能量级和执行流动流体控制所需的高能级功能之间，最终控制元件完成了必要的功率放大作用。调节阀的发展历程
调节阀的发展自20世纪初始至今已有八十年的历史，先后产生了十个大类的调节阀产品、自力式阀和定位器等，20年代：
威托wato WHQ，WKQ，WJPQ型叠加式单向节流阀
WATO WHQ-
WATO WHQ-
WATO WHQ-
WATO WHQ-022 AS32060B-G24
AS22060B-G24V
AS22060B 220V
AS22061A-G24
AS22101a-R230
AS22101A-G24
AM22101A-G24
AM22100B-G24
AM22060a-G24
AM22061A-G24MVSPM18-160MVSPM18-160MVSPM18-160MVSPM18-160MVSPM18-160MVSPM18-160MVSPM18-160MVSPM18-160MVSPM18-160MVSPM18-160
ZM22101AB-G24-H20
WATO WHQ-
WATO WHQ-
WATO WKQ-
WATO WKQ-
WATO WKQ-
WATO WKQ-
WATO WKQ-
WATO WKQ-
WATO WJPQ-
WATO WJPQ-
WATO WJPQ-
WATO WJPQ-222 M45PD42-S50 PD42-S60NPD42-S67BPE12-S67CPE12-S67DPE12-S67HPE12-S67KPE16-S67CPE16-S67DPE16-S67HPE16-S67KPE42-S67CPE42-S67DPE42-S67KPE42-S67HPFR70-33x-EPFR70-33x-FPFR70-
33x-JPFR72-33x-JPFR72-33x-LPR08-32PR10-32PR10-36PR12-36PR50-36PR50-38PR58-38PRES50-30PS08-30PS08-32PS08-3PS10-30PS10-31PS10-32PS10-33PS10-34PS10-35PS10-36PS10-40PS10-
41PS10-43PS50-36PS50-40 PV08-30PV08-31PV16-23PV42-M30PV70-30PV70-31PV70-33PV70-35PV72-20PV72-21PV72-30PV72-31PV72-33PV72-35PV76-30APV76-31ARV08-20RV08-22RV08-29RV10-
20RV10-22RV10-23RV10-26RV10-28RV12-26RV16-26RV50-22RV50-26RV52-26RV56-26RV58-20RVD50-20SF08-20SF0-21SF08-22SF08-23SF20-22SF20-23SL08-22SP08-20SP08-21SP08-22SP08-
25SP08-46RSP08-47CSP08-47CLSP08-47DSP08-47DLSP08-57D SP08-58D SP10-20SP10-21SP10-46RSP10-47CSP10-47DSP10-57CSP10-57DSP10-58CSP10-58DSP12-20SP12-21SP16-20 SP16-21
SPCL10-30SPCL10-32SV07-