弹簧力把先导孔关闭，入口压力通过旁通孔迅速腔室在关阀件周围形成下低上高的压差，流体压力推动关闭件向下移动，关闭阀门。
特点： 流体压力范围上限较高，可任意安装（需定制）但必须满足流体压差条件。
：蔡韵
一八七七一零二二八二九
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：
SUN-0340 PVFA-LAN
SUN-0341 990-017-007 DRBC-LAN太阳SUN密封圈
SUN-0342 阀 CBIA-LHN
SUN-0343 阀 DTDAPV040L1K1T1NELC
PV040L1K1T1NFPVDRBC-LAN太阳SUN
PV040L1K1T1NKLC
PV040L1K1T1NMFC
PV040L1K1T1NMMC
PV040L1K8T1V001
PV040L1L1T1NHLC
PV040L1L1T1NMFC
PV040L1L1T1NMFZ
PV040R-DRIVEN1
PV040R1D1T1EMLA
PV040R1D1T1NDLC
PV040R1D1T1NGCC
PV040R1D1T1NML1-MHN
现货770-212（美国sunAS32060b
AS32060b-G24,U=24VDC,SIS45V-G24
AS32060b-R230,U=230VAC,SIS45V-R230
AS32060B-G24/HB6
AS32101a,AS32101a-G24,AS32101a-R230
AS32100b,AS32100b-G24,AS32100b-R230
AS22061a,AS22061a-G24,AS22061a-R230
AS22060b,AS22060b-G24,AS22060b-R230
AS22101a
AS22101a-R230,U=230VAC,SIS60V-R230
AS22101a-G24,U=24VDC,SIS60V-G24;
AS22100b,AS22100b-G24,AS22100b-R230
AM22100b,AM22100b-G24,SIN60V-G24
AM22100b-R230,SIN60V-R230
AM22101A,AM22101A-G24,AM22101A-R230
AM32060B,AM32060B-S68S
AM32061A,
AM32100B,
AM32101A,
AM22061a,AM22061a-G24,AM22061a-R230;
AM22060b,AM22060b-G24,AM22060b-R230;
AK32061AAK22060B，AH4Z60A/R
BM22031a，BS22031a，BM22041a，BS22041a，BM22030b，BS22030b，BM22040b，BS22040b，BM32031a，BS32031a，BM32041a，BS32041a，AM32061a，AS3206）* SUN-0344 CKCB-XAN
SUN-0542 减压阀 PPDB-8WN
SUN-0543 RPGE-FAN
SUN-0544 N4L9126
SUN-0545 MOD.131-4066
SUN-0546 VB5-02-8A
SUN-0547 FVCS-XAN
SUN-0548 FVDS-XAN
SUN-0549 YCFE-XAN AL OF14-A2
SUN-0550 PRDB-LSN减压阀
SUN-0551 PVHB-LAN减压阀
SUN-0552 CVCV-XCN-MBY先导球阀
SUN-0553 PBHB-LWN-HBK减压阀
SUN-0554 PBJB-8DN-HBO减压阀
SUN-0555 PBDB-LBN-EBP
SUN-0556 CXDA-XZN-GDW
SUN-0557 CXFA-XZN-DBW检查模组
SUN-0558 LKHC-XDN 阀
SUN-0559 阀 DPCO-LAN
SUN-0560 770-224
SUN-0561 阀 DLDA-MHN
SUN-0562 CBB/S
