，可提高阀的开启压力，保证阀工作稳定，不过，D值过大，将使阀的结构尺寸和阀芯质量加大，主阀上腔容积增加，导致动态过程时间延长，
太小又保证不了静态特性要求，一般应保证：
4、主阀芯半锥角α1
5、主阀芯阻尼孔d0及长度l0
主阀芯上阻尼孔d0
越小，其长
0-2-4X/ 50 Y-IN001
R Pr.Rel.Vv-Pil.Op: DB 20-2-4X/ 50-IN001
R Pr.Rel.Vv-Pil.Op: DB 20-2-4X/ 50XY-IN001
R Pr.Rel.Vv-Pil.Op: DB 20-2-4X/100 X-IN001
R Pr.Rel.Vv-Pil.Op: DB 20-2-4X/100 Y-IN001
R Pr.Rel.Vv-Pil.Op: DB 20-2-4X/100-IN001
R Pr.Rel.Vv-Pil.Op: DB 20-2-4SZ8A310B/V
SZ8A510B/V
M…SR…KE…10B/型插装式单向阀
M-SR8KE00-10B/
M-SR25KE00-10B/
M-SR10KE00-10B/V
M-SR15KE00-10B/V
M-SR25KE05-10B/V
M-SR30KE05-10B/V
Z1S…30B/型叠加式单向阀T6C-014-2L01-B1 T6EDR03-B1 T6CCR02-C100 D1VW6CNJW
T6C-014-2R02-B1 T6EDR01-B1 T6CCWR01-C100 D1VW8CNJW
T6C-017-1R00-B1 T6EDR01-B1 T6CCWR01-C100 D1VW8KNJW
T6C-017-1R02-B1 T6EDR00-B1 T6CCWL03-C100 D3DW20BVZP40XB510
T6C-017-2R01-B1 T6EDR03-B1 T6D-028-1L01-B1 D3W001CNJW
T6C-017-3R00-B1 T6D-028-2R01-B1 D3W020BNJWG
T6C-017-3R01-B1 T6D-031-2R01-B1 D3W020BVTP
T6C-020-1R00-B1 T6D-038-1R01-B1 D3W020HNJW
T6C-020-1R02-B1 T6D-038-2R00-B1 D3W04CNJW
T6C-020-2R01-B1 T6D-045-1L03-B1 D3W1CNJW
T6C-022-1R00-B1 T6D-050-1L03-B1 D3W1KNJW
T6C-022-1R02-B1 T6DCR00-B1 D3W20BNJW
T6C-022-1R03-B1 T6DCL00-B5 D3W20BNJWI5N
Z1S6A1-30B/
Z1S6B1-30B/
Z1S6C1-30B/
Z1S6D1-30B/
Z1S6E1-30B/
Z1S6F1-30B/
Z1S6P1-30B/
Z1S6T1-30B/
Z1S6A2-30B/V
Z1S6B2-30B/V
Z1S6C2-30B/V
Z1S6D2-30B/V
Z1S6E2-30B/V
Z1S6F2-30B/V
Z1S6P2-30B/V
Z1S6T2-30B/V
Z2S型叠加式液控单向阀
Z2S61-20B/
Z2S6A1-20B/
Z2S6A2-20B/
Z2S62-40B/V
Z2S63-40B/V
Z2S6A1-20B/V
Z2S6A2-20B/V
Z2S型叠加式液控单向阀（新系列）
Z2S61-30B/X/100XY-IN001
R Pr.Rel.Vv-Pil.Op: DB 20-2-4X/200 X-IN001
Pr.Rel.Vv-Pil.Op: DB 20-2-4X/200 Y-IN001
电磁换向阀 DSG-01-3C60-A220-N1