台湾七洋7OCEAN单向减压阀部分型号如下：
RCG-03-1-10 RCG-03-2-10 RCG-03-3-10
RCG-06-1-10 RCG-06-2-10 RCG-06-3-10
RCG-10-1-10 RCG-10-2-10 RCG-10-3-10
RCT-03-1-10 RCT-03-2-10 RCT-03-3-10
RCT-06-1-10 RCT-06-2-10 RCT-06-3-10
RCT-10-1-10 RCT-10-2-10 RCT-10-3-10
RCG-03-1-11 RCG-03-2-11 RCG-03-3-11
RCG-06-1-11 RCG-06-2-11 RCG-06-3-11
RCG-10-1-11 RCG-10-2-11 RCG-10-3-11
RCT-03-1-11 RCT-03-2-11 RCT-03-3-11
RCT-06-1-11 RCT-06-2-11 RCT-06-3-11
RCT-10-1-11 RCT-10-2-11 RCT-10-3-11
台湾七洋7OCEAN压力控制阀部分型号：
HCG-06-A4 HCG-03-A4 HCG-10-A4
HCG-06-A1 HCG-03-A1 HCG-10-A1
HCG-06-A2 HCG-03-A2 HCG-10-A2
HCG-06-A3 HCG-03-A3 HCG-10-A3
HCT-06-A4 HCT-03-A4 HCT-10-A4
HCT-06-A1 HCT-03-A1 HCT-10-A1
HCT-06-A2 HCT-03-A2 HCT-10-A2
HCT-06-A3 HCT-03-A3 HCT-10-A3
HCG-06-B4 HCG-03-B4 HCG-10-B4
HCG-06-B1 HCG-03-B1 HCG-10-B1
HCG-06-B2 HCG-03-B2 HCG-10-B2
HCG-06-B3 HCG-03-B3 HCG-10-B3
HCT-06-B4 HCT-03-B4 HCT-10-B4
HCT-06-B1 HCT-03-B1 HCT-10-B1
HCT-06-B2 HCT-03-B2 HCT-10-B2
HCT-06-B3 HCT-03-B3 HCT-10-B3
HCG-06-C4 HCG-03-C4 HCG-10-C4
HCG-06-C1 HCG-03-C1 HCG-10-C1
HCG-06-C2 HCG-03-C2 HCG-10-C2
HCG-06-C3 HCG-03-C3 HCG-10-C3
HCT-06-C4 HCT-03-C4 HCT-10-C4
HCT-06-C1 HCT-03-C1 HCT-10-C1
HCT-06-C2 HCT-03-C2 HCT-10-C2
HCT-06-C3 HCT-03-C3 HCT-10-C3
ROSS电磁阀、ROSS气动阀、ROSS双联阀、ROSS空气控制阀、ROSS电磁控制阀、ROSS手动阀、ROSS维修包
ROSS电磁阀DM2CDA54A2X
ROSS电磁阀J2771B3001
ROSS电磁阀RESK 5207.0
ROSS电磁阀J3573A8811
ROSS电磁阀D2771B6011
ROSS电磁阀D3573A6162
ROSS电磁阀C5211H8017
ROSS电磁阀D3573A8161
ROSS电磁阀D3573A6161
ROSS双联阀D1968D4001
ROSS双联阀C5211C4007
ROSS双联阀W7016A3331
ROSS双联阀J3573d4015
ROSS双联阀J3573A8871
ROSS双联阀D2756A8011
ROSS双联阀C5213K5017
ROSS双联阀C5022K5005
ROSS双联阀2773B7930
ROSS双联阀W7076C6331
ROSS双联阀W6077B3401
ROSS双联阀J3573A8710
ROSS双联阀D2773B9061
ROSS气动阀DM2DDA88A21
ROSS气动阀D2773B9001
ROSS气动阀C5112B5009
ROSS气动阀C5112B6009
ROSS气动阀W7476A6331
ROSS气动阀W7476A3332
ROSS气动阀D7077D4379
ROSS气动阀C5213C3018
ROSS气动阀2176B3001
ROSS气动阀D3573A7164
ROSS气动阀J2773B5001
ROSS气动阀W6476B4401
ROSS气动阀C5F11K5220
ROSS气动阀D2772B8011
ROSS电磁阀D3573A8168
ROSS电磁阀RESK5235.1
ROSS电磁阀D
ROSS电磁阀3573A4145
ROSS电磁阀J3573A4735替代J3573B4620
ROSS电磁阀D2173B8012
ROSS电磁阀D2753A2001
ROSS电磁阀J3573A8936
ROSS电磁阀J3573C4259-016
ROSS电磁阀DM2DNA55A21
ROSS电磁阀2773B4011
ROSS电磁阀W6476B2401
ROSS电磁阀D2773B8001
ROSS双联阀D5500B9001
ROSS双联阀W7076C6332
ROSS双联阀D1523C7012
ROSS双联阀D3573B8630
ROSS双联阀D3573A7161
ROSS双联阀W7476C4333
ROSS双联阀3573A6181
ROSS双联阀D1523C6002
ROSS双联阀J3573A6709
ROSS双联阀J3573C6709
ROSS双联阀RESK4015.10
ROSS双联阀2771A5942
ROSS双联阀D2175A4910
ROSS双联阀D2776B5001
ROSS双联阀3573D5215
卸荷阀同一般先导式溢流阀结构原理一样，在调试过程中，也存在啸叫与压力振摆现象．根据有关资料[3]介绍，产生压力振摆主要原因：
1）主阀芯导向长度太短，主阀芯工作中不稳；
2）导阀的控制油路不应由主阀上腔引出，该处压力在主阀工作中就是变化的，随流量变化而变化，必然引起压力摆动；
3）导阀芯处于悬空状态，工作中要偏移，导阀口径向间隙不均，必然产生啸叫和振动。
减少啸叫和压力振摆方法，应保证零部件加工装配质量和合理的结构参数，适当加长主阀芯导向长度，使导阀芯加上导向支承。