，单向阀就是止回阀 旋启式止回阀安装位置不受限制，通常安装于水平管路，但也可以安装于垂直管路或倾斜管路上。
注意事项
安装止回阀时，应特别注意介质流动方向，应使介质正常流动方向与阀体上指示的箭头方向相一致，否则就会截断介质的正常流动。底阀应安装在水泵吸水管路的底端。
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大量现货 美国sun原装进口 单向阀：
CXBA-XAN
CXBA-XBN
CXBA-XCN
CXBA-XDN
CXBA-XEN
CXBA-XFN
CXBA-XAV
CXBA-XBV
CXBA-XCV
CXBA-XDV
CXBA-XEV
CXBA-XFV
CXDA-XAN
CXDA-XBN
CXDA-XCN
CXDA-XDN
CXDA-XEN
CXDA-XFN
CXDA-XAV
CXDA-XBV
CXDA-XCV
CXDA-XDV
CXDA-XEV
CXDA-XFV
CXFA-XAN
CXFA-XBN
CXFA-XCN
CXFA-XDN
CXFA-XEN
CXFA-XFN
CXFA-XAV
CXFA-XBV
CXFA-XCV
CXFA-XDV
CXFA-XEV
CXFA-XFV
CXHA-XAN
CXHA-XBN
CXHA-XCN
CXHA-XDN
CXHA-XEN
CXHA-XFN
CXHA-XAV
CXHA-XBV
CXHA-XCV
CXHA-XDV
CXHA-XEV
CXHA-XFV
CXJA-XAN
CXJA-XBN
CXJA-XCN
CXJA-XDN
CXJA-XEN
CXJA-XFN
CXJA-XAV
CXJA-XBV
CXJA-XCV
CXJA-XDV
CXJA-XEV
CXJA-XFV
SUN单向阀：
CXCD-XCN
CXCD-XCV
CXCD-XAN
CXCD-XAV
CXCD-XBN
CXCD-XBV
CXCD-XEN
CXCD-XEV
CXCD-XDN
CXCD-XDV
CXCD-XFN
CXCD-XFV
CXAD-XCN
CXAD-XCV
CXAD-XAN
CXAD-XAV
CXAD-XBN
CXAD-XBV
CXAD-XEN
CXAD-XEV
CXAD-XDN
CXAD-XDV
CXAD-XFN
CXAD-XFV
CXED-XCN
CXED-XCV
CXED-XAN
CXED-XAV
CXED-XBN
CXED-XBV
CXED-XEN
CXED-XEV
CXED-XDN
CXED-XDV
CXED-XFN
CXED-XFV
SUN-0557 CXFA-XZN-DBW检查模组
SUN-0558 LKHC-XDN 阀
SUN-0559 阀 DPCO-LAN
SUN-0560
SUN-0561 阀 DLDA-MHN
SUN-0562 CBB/S
SUN-0563 QA5/T
SUN-0564 BKG E
SUN-0565 RDDA-LAV
SUN-0566 RPGTLWN
SUN-0567 PPJB-LNN
SUN-0568 PVDB-LBN-NB3/M
SUN-0569 CBCG LKN OFZ3
SUN-0570 IAM9DW8 液压阀
SUN-0571 RSDC-LWN
SUN-0572 CBCY-LHN
SUN-0573 阀芯：PPDB-LEV
SUN-0574 CKCB-XEN
SUN-0575 LFHC-XDN
SUN-0576 RPIE-LAN
SUN-0577 PPHC-BBM-HBL
SUN-0578 RPGC-LWN
SUN-0579 PPHC-BBN-HBL
SUN-0580 CWEL-LGN-NBA
100%现货（美国sun）低价促销 SUN-0581 CWEA-LHN-NKY D07
SUN-0582 CXHA-XAN IAD
SUN-0583 VBCA-LGB
SUN-0584 DN15，PN210
SUN-0585 CKEB XCN BBB
SUN-0586 YDGC LHN AY/S
SUN-0587 CBGA LHN OBW5
SUN-0588 PPDB LHN EB3
SUN-0589 PBDB EBP (9KP3)
SUN-0590 PBDB EBA (9G62)
SUN-0591 NCCB GBY (9KD3)
SUN-0592 1/LPM 8FW/9 FCFB/LAV
SUN-0593 FCFB-LAV