节流阀是通过改变节流截面或节流长度以控制流体流量的阀门。将节流阀和单向阀并联则可组合成单向节流阀。节流阀和单向节流阀是简易的流量控制阀,在定量泵液压系统中,节流阀和溢流阀配合,可组成三种节流调速系统,即进油路节流调速系统、回油路节流调速系统和旁路节流调速系统。节流阀没有流量负反馈功能,不能补偿由负载变化所造成的速度不稳定,一般仅用于负载变化不大或对速度稳定性要求不高的场合
节流阀的性能要求是:
·流量调节范围大,流量一压差变化平滑;
·内泄漏量小,若有外泄漏油口,外泄漏量也要小;
·调节力矩小,动作灵敏。
节流阀(Choke valve)的外形结构与截止阀并无区别,只是它们启闭件的形状有所不同。KDGMH
DGX-H06-2-60
DGX-H06-2L-60
DGPC-06-DADB-51
DGPC-06-DB-51
DGPC-06-AB-51
DGPC-06-A-51
DGPC-06-B-51
DGFN-06-50
DGPC-08-AB-50
DGFN-08-50
DGMA-8-W-10
DGAMR
DGAMR
DGAM
DGAMR
DGAM 5 10R
DGC 06 B 60
DGC 06 C 60
DGC 06 F 60
DGC 06 FV 60
DGFN 06 50
DGMA 2 B 10
DGMA 2 C1 10
DGMA 2 C2 10
DGMA 2 T1 10 R
DGMA 2 T2 10 R
DGMA 3 0 10
DGMA 3 B 10
DGMA 3 C1 10
DGMA 3 C1 10 GE2
DGMA 3 C2 10
DGMA 3 F1 10
DGMA 3 F3 10
DGMA 3 F4 10
DGMA 3 T1 10 B
DGMA 3 T2 10 B
DGMA 5 B 10
DGMA 5 C1 10
DGMA 5 C2 10
DGMA 5 T1 10B
DGMA 5 T2 10B
DGMA 5 T3 10B
DGPC 06 AB 51
DGPC 06 B 51
DGPC 06 DA 51
DGPC 06 DADB 51
DGPC 06 DB 51
DGSM 01 20 T8
DGSME 01 20 T8
DGVM 3 10 S
DGVM 3 11R
DGX 06 1F 60
DGX 06 2F 60
DGX 06 2FE 60
DGX 06 2FL 60
DGX 06 3F 60
DGX 06 3F 60 S17
DGX 06 3FE 60
DGX 06 3FL 60
DGX H06 1 60
DIAGRAM PLATE
DICPFS
DICPFS
DICPFS
DICPFS
DISC FILTER
DOME INDICATOR
DOWEL PIN
DPC1 10 P 3B
DPC2 8U A 25 00
DPS2 10 B F 0 10
DPS2 10 B S 0 80
DPS2 10 F F 0 80
DPS2 10 F F O 160
DPS2 10 F S O 160
DPS2 10 P F 0 10
DPS2 10 P F 0 160
DPS2 10 P F 0 20
DPS2 10 P F 0 40
DPS2 10 P F 0 5
DPS2 10 P F 0 80
DPS2 10 P S 0 160
DPS2 10 R F 0 40
DPS2 10 R F 0 80
DPS2 10 R S 0 80
DPS2 10 S F 0 40
DPS2 10 S F 0 5
DPS2 10 S F 0 80
DPS2 10 T F 0 10
DPS2 10 T F 0 160
DPS2 10 T F 0 20
DPS2 10 T F 0 40
DPS2 10 T F 0 80
DPS2 10 T S 0 160
DPS2 10 T S 0 40
DPS2 10 V F 0 20
DPS2 10 V F 0 40
DPS2 10 V F 0 80
DPS2 10 V S 0 20
DPS2 10 V S 0 80
DPS2 16 B F 0 40
DPS2 16 B F 0 80
DPS2 16 B S 0 40
DPS2 16 B S 0 5
DPS2 16 F F O 160
DPS2 16 F F O 80
DPS2 16 F S 0 160
DPS2 16 F S 0 80
DPS2 16 P F 0 40
DPS2 16 P F 0 80
DPS2 16 P F 05
DPS2 16 P F O 160
DPS2 16 P S 0 80
DPS2 16 P S 05
DPS2 16 PF 0 20
DPS2 16 R F 0 80
DPS2 16 R S 0 160
DPS2 16 R S 0 80
DPS2 16 S F 0 40
DPS2 16 S S 0 40
DPS2 16 S S 0 80
DPS2 16 T F 0 40
DPS2 16 T F 0 5
DPS2 16 T F 0 80
DPS2 16 T S 0 80
DPS2 16 V F 0 160
DPS2 16 V F 0 40
DPS2 16 V F 0 80
DPS2 16 V F 6G 20
DPS2 16 V F O 20
DPS2 20 B F 0 40
DPS2 20 F F 0 160
DPS2 20 P F 0 160
DPS2 20 P F 0 20
DPS2 20 P F 0 40
DPS2 20 P F 0 80
DPS2 20 P S 0 160
DPS2 20 R F 0 20
DPS2 20 S F 0 40
DPS2 20 T F 0 40
DPS2 20 T F 0 5
DPS2 20 T F 0 80
DPS2 20 T S O 5
DPS2 20 V F 0 20
DPS2 20 V F 0 40
DPS2 20 V F 0 80
DPS2 20V V F 0 80
DPS2 20V V F 0 20
DRIVE SHAFT
DRIVE SHAFT W/SEAL
DS8P
DS8P
DSV1 10 B 0
DSV1 10 B 2G
DSV1 10 B 3G
DSV1 10V B 0
DSV1 16 B 6
DSV1 4333
DSV2 8 B 0
DSV2 8 B A2G
DSV4 10 C 0 160
DSV4 10 C 0 80
DSV
DSV4 16 C 0 80
DT15S
DT15S2 060 K 11
DT8PUB
DT8P
DT8PUB
DT8PENB
DT8PUB
DT8P