减压阀的构造类型很多，以往常见的有薄膜式、内弹簧活塞式等。减压阀的基本作用原理是靠阀内流道对水流的局部阻力降低水压，水压降的范围由连接阀瓣的薄膜或活塞两侧的进出口水压差自动调节

：蔡韵
：

：

：3121226951T6CCM-BO5-BO5-11OO-D1-00

CV1-10-B-0-5MR450E-F1N1N1S1N
MR450E-F1N1N1S1N0500/59473
MR450E-F1N1N1S1NX0500/59442
MR450E-F1N1N1S2NX0500/59528BA 2-BV 11 H/M/0/2-X24          EM 21 DS-X 24
CDK3-5R-130                     PE13                  
 
SWR1F-DD-1-X24                  GR2-4-G24
AS1/130-X-24                    GR2-3-G24  
SWR2F-DD-1-X24                  G 22-0 G24
VZP1E22-G24                     SWPN 2 B-X 24 
SG2W-NUH                        SWPN 2-W-X 24
MVCS56FR                        DG365    
DG35                            K60N-064  RDNT6CCM B08 B08 5L02 D101
R9.8-9.8-9.8-9.8A               GR2-4-G24
 LHK40F-11CPV-PYD-160           GR2-3-G24 
G 21-1 B-G 24                   G22-0-G24T6CCM B08 B08 5L02 D101
R5.6A                           RD41
R2.5A                           RC3E
PUMP K60N-047  RDN              DRH1
R9.8-9.8-9.8-9.8A               G22-1B-G24
V30D-250RKN-1-1-XX/LSN-2/132-200
CDK-3-5-95 
丹佛斯摆线马达：
OMP8- 151-0611、OMP160 -151 -0614、OMP50 -151-0610、OMP315-151-0617、OMP40-151-0092、OMS315-151F0506  
MR450E-F1N1N1T1N0500/Y60533
MR450E-F1N1N1X2NX0500/Y59557
MR450E-N1C1N1N1N0301/45332
MR450E-N1C1N1N1N0500/59640
MR450E-N1N1N1C1N0301/45404
MR450E-N1N1N1C1N0500/59472
MR450E-N1N1N1C1N0502/60810
MR450E-N1N1N1L1N0500/Y60438
MR450E-N1N1N1N1N0500/59376
MR450E-N1N1V1C1N0500/60483
MR450E-N1T1N1N1N0301/45337
MR450E-N1T1N1N1N0500/Y59826
MR450E-N2C1N1C1N0301/46864
MR450E-P1B2N1T1N0500/59886
MR450E-P1E1N1N1N0301/45389
MR450E-P1M1N1N1N0301/34440
MR450E-P1N1N1C1N0500/59531
CV1-10-P-0-100
CV1-10-P-0-140
CV1-10-P-0-15
CV1-10-P-0-30
CV1-10-P-0-300
CV1-10-P-0-5
乙类放大器电流的流通角约等于 180o；丙类放大器电流的流通角则小于180o。乙类和丙类都适用于大功率工作丙类工作状态的输出功率和效率是三种工作状态中zui高者。高频功率放大器大多工作于丙类