  | H74H對夾圓片式止回閥 |  | 型號:H74H  口徑:DN50~600mm  壓力:1.0~4.0Mpa   材質:鑄鋼、不銹鋼、合金鋼等  |  
  |   | H71H對夾升降式止回閥 |  | 型號:H71H  口徑:DN50~DN1200mm  壓力:1.0~2.5MPa    材質:鑄鋼、不銹鋼等 |  
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  | HC41X消聲止回閥 |  | 型號:HC41X  口徑:DN40~500mm  壓力:1.0~2.5Mpa   材質:鑄鋼、不銹鋼、合金鋼等   |  
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  | H42X靜音止回閥 |  | 型號:H42X  口徑:DN50~500mm  壓力:1.0~2.5Mpa   材質:球墨鑄鐵、鑄鋼、不銹鋼等   |  
  |   | HH44X微阻緩閉止回閥 |  | 型號:HH44X  口徑:DN40~800mm  壓力:1.0~2.5Mpa   材質:球墨鑄鐵、鑄鋼、不銹鋼等   |  
  | 
 |   | HQ41X滾球式球形止回閥 |  | 型號:HQ41X  口徑:DN50~350mm  壓力:1.0~2.5Mpa   材質:球墨鑄鐵、鑄鋼、不銹鋼等   |  
  | 
  | HC44X橡膠瓣止回閥 |  | 型號:HC44X  口徑:DN40~400mm  壓力:1.0~2.5Mpa   材質:球墨鑄鐵、鑄鋼、不銹鋼等   |  
  |  | 
  | PH44H排渣止回閥 |  | 型號:PH44H  口徑:DN50~500mm  壓力:1.0~2.5Mpa   材質:鑄鋼、不銹鋼等   |  
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