按作用和用途分
(1)截断阀：截断阀又称闭路阀，其作用是接通或截断管路中的介质。截断阀类包括闸阀、截止阀、旋塞阀、球阀、蝶阀和隔膜等。
(2) 止回阀：止回阀又称单向阀或逆止阀，其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止
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ASCO SCB210DB9BN
ASCO 52100005
ASCO 400425-117J 
ASCO SCG53LB001MS 
ASCO SCG531B001MS
ASCO 8210G94
ASCO 8320G184 
ASCO HT8316G64
ASCO SCG551B401MO
ASCO 57000014泵 K60N-064RDN-ATE0036CW260BBCN
TE0036CW260BBCP
TE0036CW260FSAB
TE0036CW261AAAB
TE0036CW410AAAB
TE0036CW410FSAB
TE0036CW410LAAY
TE0036CW680AAAB
TE0036CY260AAAB
TE0036DW260AAAB
TE0036LW260AAAB
TE0036MW260BBCP
TE0045CN260AAAB
TE0045CW100AAAB
TE0045CW260AAAB
TE0045CW410LAAY
TE0045CY260AAAB
TE0045MW260AAAB
TE0045MW410BBCP
TE0050CN260AAAB
TE0050CN260KAAD
TE0050CN261AAAB
TE0050CN410AAAB
TE0050CN411AAAB
TE0050CN690AAAB
TE0050CW100AAAB
TE0050CW101AAAB
TE0050CW120AAAB
TE0050CW250AAAB
TE0050CW250FSAB
TE0050CW260AAAA
TE0050CW260AAAZ
TE0050CW260AABM
TE0050CW260AANC
TE0050CW260BBCN
TE0050CW260BBCP
TE0050CW260FSAB
TE0050CW260KAAD
TE0050CW260LAAY
TE0050CW261AAAA45/50
泵 K60N-064RDN-A90/50
泵 K60N-084 RDN
泵 K60N-084RDN
泵 K60N-108 RDN
泵 K60N-108 RDN
液控手柄 KFB 2/18-AME-F1
液控手柄 KFB 2/18-AMMMMME-F1
放大板支架 KH 7817 901
放大板支架 KH 7817 901
放大板支架 KH 7817 901
放大板支架 KH 7817 901
支架 KM 7831 010
放大板支架 KM 7831 010
截止换向阀 KR 2-2
截止换向阀 KR 2-2
截止换向阀 KS 2-1
截止换向阀 KS 2-2
截止换向阀 KS 2-2
 KTS-GM4001
防爆阀 LB 1 C-10
防爆阀 LB 1 F-16
防爆阀 LB 14 C
防爆阀 LB 2 C0,8-40
防爆阀 LB 2 C-50
防爆阀 LB 2 G-10
防爆阀 LB 2 G-25
防爆阀 LB 26 C-34
防爆阀 LB 26 C-34
防爆阀 LB 26 C-6,3
防爆阀 LB 2F-25
防爆阀 LB 3 F
防爆阀 LB 3 F0,8-70
防爆阀 LB 3 F-40
防爆阀 LB 3 F-60
防爆阀 LB 3 F-63
防爆阀 LB 3 G-25
防爆阀 LB 3 G-30
防爆阀 LB 3 G-30
防爆阀 LB 3 G-63
防爆阀 LB 3 G-63
防爆阀 LB 32 C
防爆阀 LB 32 C-22
防爆阀 LB 3C-80
防爆阀 LB 4 C
防爆阀 LB 4 C-40
ASCO 57000103
美国ASCO阿斯卡电磁阀
ASCO 8300A82U 3/8 90PSI
ASCO EF8320G174 220VAC
ASCO EF8320G174 24VDC
ASCO 8263G333
ASCO NBETB307C039U DC24V
ASCO NAETB307C039 DC24V
ASCO SCG551A001MS 24VDC
ASCO JE3-8344G72 24VDC
ASCO JE32-8344G72 24VDC
ASCO JE32-8344G27MO 24VDC
ASCO EF8210G089 220VAC
ASCO EF8320G174 220VAC
ASCO 8262G148