2)啟閉特性
  啟閉特性是指溢流閥在穩態情況下從開啟后到閉合的過程中，被控壓力與通過溢流閥的溢流量之間的關系。它是衡量溢流閥定壓精度的一個重要指標，一般用溢流閥處于額定流量、調定壓力ｐs時，開始溢流的開啟壓力ｐk及停止溢流的閉合壓力ｐB分別與ｐs的百分比來衡量，前者稱為開啟比，后者稱為閉合比。
（3）卸荷壓力
  當溢流閥的遠程控制口及與油箱相連時,額定流量下的壓力損失稱為卸荷壓力。

DBDS10P1A/200 R900424157力士樂溢流閥

博世力士樂rexroth溢流閥 力士樂流量閥
R901092803 DBDS20K1X/315-230
R900702785 DBDS20K1X/315P230
R900702542 W-DBDS10K1X=50P35V
R900701673 DBDS15G1X/25P10
R900680727 RING47,8/54,6X2,9E-DBD.30K12/
R900680332 RING33,3/39,6X2,1E-DBD.20K12/
R900633352 KEGEL5,0-5,0X30,5KUGEL6,5DBD6
R900627930 VENTILSITZDBD.10K15/
R900617792 DBDS6K1X/200-110
R900617276 DBDS20K1X/315-315
R900599927 MHDBD10K1-1X/200M-030
R900597412 DBD.10P1X/...V/12
R900596810 DBDS10P1X/315/12
R900595920 DBDA6K1X/25SO49
R900590350 DBDS15G1X/315SO60
R900588364 DBDS6K1X/25SO124
R900588153 DBDS20K1X/25VSO60
R900587084 DBDH25G1X/100V
R900586190 W-DBDS6K1X/315V
R900584384 E-DBDS10P1X/400V
R900582646 MHDBD10K2-1X/250M-017
R900582065 MHDBD10K1-1X/100M-030
R900579992 MHDBDT06G0-2X/280T060M19
R900577005 MHDBD10K2-1X/200-...MFB
R900577004 MHDBDT06G0-2X/210T060M06
R900576760 DBDH6P1X/400V
R900576420 W-DBDS10K1X=315-210V
R900576208 MHDBDT06G0-2X/210T082M19
R900576207 MHDBDT06G0-2X/210T060M19
R900575360 MHDBDT06G0-2X/280T087M06
R900574514 MHDBD22P2-1X/420-350M