Z41H鑄鋼手動閘閥結構緊湊、設計合理、閥門剛性好、通道流暢，流量系數小密封面采用不銹鋼和硬質合金，使用壽命長采用柔性石墨填料、密封可靠，操作輕便靈活驅動方式為手動、氣動、電動、齒輪傳動結構形式為彈性楔式單閘板、剛性楔式單閘板雙閘板型式

Z41H鑄鋼手動閘閥執行標準

設計規范：GB/T 12234
結構長度：GB/T 12221
連接法蘭：JB/T 79
試驗與檢驗：JB/T 9092
壓力-溫度：GB/T 9131
產品標識：GB/T 12220

http://www.0577v.net/  球閥                                                              
http://www.0577v.net/prod.asp?cid1=46  法蘭球閥                                          
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http://www.0577v.net/prod.asp?cid1=54  升降式止回閥                                        

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http://www.gyfmw.com/content/?284.html  J41H法蘭高壓截止閥
http://www.gyfmw.com/content/?289.html  H44H鑄鋼高壓止回閥

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