一般说来，好像伺服系统都是闭环控制，比例多用于开环控制；其次比例阀类型要多，有比例压力、流量控制阀等，控制比伺服要灵活一些。从他们内部结构看，伺服阀多是零遮盖，比例阀则有一定的死区，控制精度要低，响应要慢。但从发展趋势看，特别在比例方向流量控制阀和伺服阀方面，两者性能差别逐渐在缩小，另外比例阀的成本比伺服阀要低许多，抗污染能力也强！
PR4-1X/0,63-700WA01M01345609 
PR4-1X/1,00-450WA01M01490630 
PR4-1X/1,00-450WA01V01374335 
PR4-1X/1,00-450WG01M01352847 
PR4-1X/1,60-250WA01M01331074 
PR4-1X/2,00-175WA01M01485829 
PR4-3X/1,60-700RA01M01R900450606 
PR4-3X/1,60-700RA01M03 
PR4-3X/1,60-700RA01V03R900393037 
PR4-3X/1,60-700RA12M01 
PR4-3X/1,60-700RA12V01 
PR4-3X/1,60-700RK01M01 
PR4-3X/10,00-500RA01M01R900457192 
PR4-3X/10,00-500RA12M01 
PR4-3X/10,00-500RA12V01 






PR4-3X/16,00-500RA01M01R900456614 
PR4-3X/16,00-500RA01M12R900380263 
PR4-3X/16,00-500RA12M01 
PR4-3X/2,00-700RA01M01R900452697 
PR4-3X/2,00-700RA12M01R900582633 
PR4-3X/2,50-700RA01M01R900450607 
PR4-3X/2,50-700RA01M02R900408334 
PR4-3X/2,50-700RA01M03R900409853 
PR4-3X/2,50-700RA12M01 
PR4-3X/2,50-700RG12M01R900490062 
PR4-3X/20,00-500RA01M02R900470452 
PR4-3X/20,00-500RA12M01 
PR4-3X/20,00-500RA12M02R900409373 
PR4-3X/20,00-500RG01M02R900335949 
PR4-3X/3,15-500RA01M01R900450609 
PR4-3X/3,15-500RA01V01R900404420 
PR4-3X/3,15-500RA12M01 
PR4-3X/3,15-500RG01M01R900464329 
PR4-3X/3,15-500RG12M01R900400397 
PR4-3X/3,15-700RA01M01R900460078 
PR4-3X/3,15-700RA01M08R900479765 
PR4-3X/3,15-700RA12M01 
PR4-3X/3,15-700RA12V01 
特点
联系人：蔡韵400590235 DBVSZ-1CG-230-10-3 24D JTM336A
电话：027-88169190
传真：027-59109675
手机： 18771022829
询价QQ：3121226951
邮箱：3121226951@qq.com   


 D31FHA60A1NB00
D31FHB31C1NB08
D31FHB61A1NB00
D31FSE80B4NXW0
D41FHA32F2NB00
D41FHE02C4NB00
D41FHE02F1NE00
D81FHA31H5NB00
D81FHB61H1NB00
D81FHE02E4NB00
D81FHE02E5NB00
P32HA12BNYP
P32HA13BNYP
TG0195HV080AABP
TG0195HW450AAAB
TG0240HV080AABP
TG0280HV080AAAB
TG0280VX460AAAB
TG0335EW440AAAB
TG0335EW460FSAB现货 供应  美国 sun  电磁阀：
大量现货  价格优惠 原装正品  
DTDA-MCN-224
DTDA-MHN-224
DTDA-MCV-224
DTDA-MHV-224
DLDA-MCN-224
DLDA-MHN-224
DLDA-MCV-224
DLDA-MHV-224
DMDA-MAN-224
DMDA-MNN-224
DNDA-MCV-224
DNDA-MDV-224
DNDA-MEV-224
DNDA-MHV-224
DNDA-XCV-224
DNDA-XDV-224
DNDA-XEV-224
DNDA-XHV-224
DNDA-MCN-224
DNDA-MDN-224
DNDA-MEN-224
DNDA-MHN-224
DNDA-XCN-224
DNDA-XDN-224
DNDA-XEN-224
DNDA-XHN-224




TG0335EX460AAAB
TG0335VX460AAAB
TG0475HK460HAAM
TG0240EN460AAAB
TG0240EW080AAAB
TG0240EW450AAAB
TG0280HV460AAAB
TG0280HW080AABP
TG0280MV450AAAB
TG0280MW441AAAB
TG0280MW450AAAB
TG0335HW460AAAB
TG0335MV441AAAB
TG0335MV450AAAB
TG0335MW440AAAB
TG0405HA080AAAB
TG0405HB080AABP
TG0405HV080AABP
TG0475EW440AAAB
TG0475HV460AAAB
TG0475HW440AAAB
TG0475MV460AAAB
TG0475MW450AAAB
TG0530EW450AAAB
TG0530MW450AAAB
TG0625EW440AAAB
TG0625MW460AAAB
TG0785EW460AAAB
TG0785HV460AAAB
TG0960HW440AAAB
TH0625UY320AAAB
PV040R1K1T1NDCCX5809
PV040R1K1T1NECC
PV046R1K1T1NGCB
PV046R1K1T1NMLB
PV092L1L1B1NUCC
R900227650    
HED 3 OA3X/400K6L24              
DHI-0713-X  1105060AC电磁换向阀 DHI-0713-X  1105060AC电磁阀 DHI-0713-X  1105060AC