美国SUN阀NFBC-LCN，NFEC-LFN节流阀
常用型号如下；
PVFA-LAN,CBHA-LAN
CXEE-XCN,PVHA-LAN
CBBA-LBN,CXGE-XCN
PVJA-LAN,CBDA-LBN
CXIE-XCN,PVDB-LAN
CBFA-LBN,CXCE-XAN
PVFB-LAN,CBHA-LBN
CXEE-XAN,PVHB-LAN
CBBY-LHN,CXGE-XAN
PVJB-LAN,CBDY-LHN
CXIE-XAN,PSDT-XFN
CBFY-LHN,CXCE-XBN
PSFT-XFN,CBHY-LHN
CXEE-XBN,PSHT-XFN
CBBY-LIN,CXGE-XBN
PSJT-XFN,CBDY-LIN
CXIE-XBN,DRBO-LWN
CBFY-LIN,CXCE-XDN
DRBP-LWN,CBHY-LIN
CXEE-XDN,DRBR-LWN
CBBY-LAN,CXGE-XDN
DRAY-LAN,CBDY-LAN
CXIE-XDN,DRAX-LAN
CBFY-LAN,CXCE-XEN
DRBR-LAN,CBHY-LAN
CXEE-XEN,DRBM-LBN
CBBY-LBN,CXGE-XEN
DVBA-8FN,CBDY-LBN
CXIE-XEN,DVCA-8FN
CBFY-LBN,CNCD-XCN
DRBN-LAN,CBHY-LBN
CNED-XCN,DRBO-LAN
CBBA-LHV,CNGD-XCN
DRBP-LAN,CBDA-LHV
CNID-XCN,DRBM-LWN
CBFA-LHV,CNCD-XAN
DRBN-LWN,CBBY-LHV
CNED-XAN,PPDB-8WN
CBDY-LHV,CNGD-XAN
PPFB-8WN,CBFY-LHV
CNID-XAN,PPHB-8WN
CBBA-CHN,CNCD-XBN
PPJB-8WN,CBDA-CHN
CNED-XBN,PVDA-8WN
CBFA-CHN,CNGD-XBN
PVFA-8WN,CBHA-CHN
CNID-XBN,PVHA-8WN
CBBG-LJN,CNCD-XDN
PVJA-8WN,CBDG-LJN
CNED-XDN,CKBB-XCN
CBFG-LJN,CNGD-XDN
CKCB-XAN,CBHG-LJN
CNID-XDN,CKCB-XBN
CBBG-LKN,CNCD-XEN
CKCB-XCN,CBDG-LKN
CNED-XEN,CKCB-XDN
CBFG-LKN,CNGD-XEN
CKCB-XEN,CBHG-LKN
CNID-XEN,CKCB-XFN
CBBG-LCN,CNCD-XFN
CKCB-LAN,CBDG-LCN
CNED-XFN,CKCB-LBN
CBFG-LCN,CNGD-XFN
CKCB-LCN,CBHG-LCN
CNID-XFN,CKCB-LDN
CBBG-LDN,NFBC-LCN
CKCB-LEN,CBDG-LDN
NFCC-LCN,CKCB-LFN
CBFG-LDN,NFDC-LAN
CKEB-XAN,CBHG-LDN
NFEC-LEN,CKEB-XBN
CBBG-CJN,NFFC-LGN
CKEB-XCN,CBDG-CJN
NFCD-LFN,CKEB-XDN
CBFG-CJN,NFDD-LGN
CKEB-XEN,CBHG-CJN
NFED-LHN,CKEB-XFN
CBBG-LJV,NFFD-LIN
CKEB-LAN,CBDG-LJV
NCBB-LCN,CKEB-LBN
CBFG-LJV,NCCB-LCN
CKEB-LCN,CBHG-LJV
NCCC-LCN,CKEB-LDN
CACA-LHN,NCCD-LCN
CKEB-LEN,CAEA-LHN
NCEC-LCN,CKEB-LFN
CAGA-LHN,NCEB-LCN
CKGB-XAN,CAIA-LHN
NCFB-LCN,CKGB-XBN
CACA-LIN,NCFC-LCN
CKGB-XCN,CAEA-LIN
NCGB-LCN,CKGB-XDN
CAGA-LIN,NCGC-LCN
CKGB-XEN,CAIA-LIN
NCBB-LDN,CKGB-XFN
CACA-LFN,NCCB-LDN
CKGB-LAN,CAEA-LFN
NCCC-LDN,CKGB-LBN
CAGA-LFN,NCCD-LDN
CKGB-LCN,CAIA-LFN
NCEC-LDN,CKGB-LDN
CACA-LGN,NCEB-LDN
CKGB-LEN,CAEA-LGN
NCFB-LDN,CKGB-LFN
CAGA-LGN,NCFC-LDN
CKIB-XAN,CAIA-LGN
NCGB-LDN,CKIB-XBN
CACA-CHN,NCGC-LDN
CKIB-XCN,CAEA-CHN
NCBB-LEN,CKIB-XDN
CAGA-CHN,NCCB-LEN
CKIB-XEN,CAIA-CHN
NCCC-LEN,CKIB-XFN
CACA-LHV,NCCD-LEN
CKIB-LAN,CAEA-LHV
NCEC-LEN,CKIB-LBN
CAGA-LHV,NCEB-LEN
CKIB-LCN,CAIA-LHV
NCFB-LEN,CKIB-LDN
CACG-LHN,NCFC-LEN
CKIB-LEN,CAEG-LHN
NCGB-LEN,CKIB-LFN
CAGG-LHN,NCGC-LEN
CKBD-XCV,CAIG-LHN
NCBB-HCN,CKCD-XCV
CACK-LHN,NCCB-HCN
CKED-XCV,CAEK-LHN
NCCC-HCN,CKGD-XCV
CAGK-LHN,NCCD-HCN
CKID-XCV,CAIK-LHN
NCEC-HCN,CKBD-XCN
CACL-LHN,NCEB-HCN
CKCD-XCN,CAEL-LHN
NCFB-HCN,CKED-XCN
CAGL-LHN,NCFC-HCN
CKGD-XCN,CAIL-LHN
NCGB-HCN,CKID-XCN
CACL-LHV,NCGC-HCN
CKCV-SCN,CAEL-LHV
NCBB-KCN,CKEV-SCN
CAGL-LHV,NCCB-KCN
CKGV-SCN,CAIL-LHV
NCCC-KCN,CKIV-SCN
CWCA-LHN,NCCD-KCN
CVCV-XCN,CWEA-LHN
NCEC-KCN,CVEV-XCN
CWGA-LHN,NCEB-KCN
CVGV-XCN,CWIA-LHN
NCFB-KCN,CVIV-XCN
CWCA-LIN,NCFC-KCN
CBCA-LHN,CWEA-LIN
NCGB-KCN,CBEA-LHN
CWGA-LIN,NCGC-KCN
CBGA-LHN,CWIA-LIN
NCCB-LBN,CBIA-LHN
CWCK-LHN,NCCC-LBN
CBCA-LIN,CWEK-LHN
NCCD-LBN,CBEA-LIN
CWGK-LHN,NCEC-LBN
CBGA-LIN,CWIK-LHN
NCEB-LBN,CBIA-LIN
CWCA-CHN,NCFB-LBN
CBCA-LAN,CWEA-CHN
NCFC-LBN,CBEA-LAN
CWGA-CHN,NCGB-LBN
CBGA-LAN,CWIA-CHN
NCGC-LBN,CBIA-LAN
CWCA-LHV,CNAC-XCN
CBCA-LBN,CWEA-LHV
CNCC-XCN,CBEA-LBN
CWGA-LHV,CNEC-XCN
CBGA-LBN,CWIA-LHV
CNGC-XCN,CBIA-LBN
CWCG-LFN,CNIC-XCN
CBCA-CHN,CWEG-LFN
CNAC-XEN,CBEA-CHN
CWGG-LFN,CNCC-XEN
CBGA-CHN,CWIG-LFN
CNEC-XEN,CBIA-CHN
CWCG-LGN,CNGC-XEN
CBCA-CIN,CWEG-LGN
CNIC-XEN,CBEA-CIN
CWGG-LGN,CNAC-XFN
CBGA-CIN,CWIG-LGN
CNCC-XFN,CBIA-CIN
CWCL-LFN,CNEC-XFN
CBCA-CAN,CWEL-LFN
CNGC-XFN,CBEA-CAN
CWGL-LFN,CNIC-XFN
CBGA-CAN,CWIL-LFN
CNAC-XDN