HHT947H、HHT947X型PN10~PN25電液控多功能蝶式止回閥
CKH747H、CKH747Y、CKH647H、CKH647Y型PN16~PN64旋啟式液(氣)控抽汽止回閥
CKH747H、CKH747Y、CKH647H、CKH647Y型PN16~PN64升降式液(氣)控抽汽止回閥
CKH747H、CKH747Y、CKH647H、CKH647Y型PN10~PN40斜板式液(氣)控抽汽止回閥
HBH747H型PN10~PN40液壓緩閉金屬密封蝶式止回閥
HD647H-6C、HD647H-10C型氣動(dòng)助關(guān)止回閥
HTH47H-16P、HTH47H-16C型載氣止回閥
HH47H、HH47X型PN10~PN25蝶式緩閉止回閥(管力閥)
H47X-10C、H47X-16C、H47X-25型緩閉、緩沖蝶式止回閥
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