SUN-常开, 调节单元
如果需要一个更高的补偿压力，可以考虑使用直动式减压阀；PR*R。
配置EPDM密封圈的插装阀能够用于磷酸酯液压油系统。暴露在石油基液压油或润滑油脂中会损坏密封圈。
所有端口都可以接受5000 psi (350 bar)的压力。SUN-常开, 调节单元
耐腐蚀螺纹插装阀是设计用在易腐蚀环境中且阀型号带后缀/AP以用来区分。（参考下面选项）。这些阀的阀体是用高强度双相不锈钢来制造。依据型号，调节螺栓可为钛合金或硅黄铜制造。锁紧螺母，定位丝线和各种控制为316不锈钢制造。内部零件是由与标准阀件相同的碳钢含铅合金制造。
美国SUN减压阀
PBJBLAN PBFBLBN PBBBLBN PBDBLAN PBDBLWN PBFBLWN PBBBLNN
PBBBLWN PBBBLAN PBBBLBV PBDB8WN PBFB8WN PBFBLAN PBDBLBN
PBDBLAV PBFBLNN PBJBLBN PBDBKBN PBHBLAV PBHBLAN PBBBLQN
PRDBLDN PRDCLBN PRDGMDN PRDPLDN PRDBLBN PRFBLAN
PRFBLBN PRDPMDN PRDLMSN PRDBLSN PRDBLAN PRDRLBN PRHBLAN
PRDRLBN
美国SUN减压溢流阀
PPFBLEN PPDBLWN PPJBLAN PPDBLDN PPDB8DN PPFBLAN PPFB8WN
PPHBLWN PPFBLWN PPFBLBN PPFCABN PPFBKDN PPDBLAV PPFB8DN
PPJBLBN PPDBLNN PPDBLQN PPHBLDN PPFRLDN PPFBLDN PPDBCBN
PPHBLAN PPDBLBN PPFBKBN PPJBLNN PPHBLBN PPFBLNN PPJBLWN
PVJALAV PVHALBN PVDALAN PVJCLWN PVDBLWN PVFALBN PVDALEN
PVDALBN PVDALAV PVHALAN PVFALAN PVHA8WN PVFBLAN PVJALWN
PVDBLAN PVFBLWN PVJALAN
RSFCLAN RSHCLAN RSDCLNN RSFCLCN RSBCLAN RSFCLQN
RSFCLNN RSDCLAN RQEBLAN RQCBLAN RHEAFAN HRDALAN
NFDCLAN NFBCKCV NFFDLIN NFDCLBN NFCCLDN NFCDLFN/AP NFCCLCV/AP
NFDCYAV NFDDYGN NFCDLFN NFDCLAV NFDDLGV NFECLEN NFBCLCN+小K
NFBCKCN NFCDHFN NFEDLHN NFFCLGN NFEDKHV NFCBLCN NFDCLAN/AP
NFDCKAN NFDDHGN NFDDLGN NFBCLCV NFCCLCV NFFDLIV NFDCLAN+大K
NFDDKGN NFDCYAN NFCCLCN NFCCHCN NFBCLCN NFCDLFN+K
NCCDLCN NCBBLCB NCEBLCN NCCBHAN NCEBLCV NCFBHAN
NCECLCN NCGBLAN NCCBLCN NCCDLAN NCCBLAN NCCBLCV
NCGBLCN NCFBLAN NCCCLCN NCCBHCN NQEBXAN NSABKXVBT
FSESXAN FSBSXAN FSFAXAN FSEAXAN FSDSXAN FSBDXAN FSFSXAN FSASXAN
FSDAXAN FSFHXAN FSBAXAN FSCDXAN FSFRXAN FSCSXAN FSDDXAN
FDBALCN FDBALAV FDFALAN FDFAHAN FDEALAN FDBALAN FDBAHAN FDCBHAN
FXAAXBN FXCALAN FXBALAN FXCAXAN FPCCMDN FPCCXDN FPHKXCN
FQEAXAN FQGAXAN FLFAXDN FLHAXBN FLJAXBN/AP
LOHA8DN LOHAXDN LOFD8DN LOJD8DN LOFCXDN LODCXDN LOFDLDN LOHCXDN LODOXDN LOFAXDN LOHDLDN
LPFCXDN LPBCXHN LPJCXHN LPFCXFN LPHCXFN LPFCXHN LPHCXGN LPDCXHN LPDCXFN LPBCXFN
LRDCXFN LRFCXHN LRDCXHN LRFCXDN LRHCXFN LRDAXDN LRFCXFN LKHCXDN LHDAXFN
