上海鴻蝶閥門有限公司

上海鴻蝶閥門有限公司專業(yè)生產(chǎn)銷售【高溫止回閥】，歡迎來電咨詢【高溫止回閥】的價格和詳細信息，好【高溫止回閥】，上海鴻蝶閥門有限公司造！

止回閥：止回閥又稱單向閥或逆止閥，其作用是防止管路中的介質(zhì)倒流。水泵吸水關(guān)的底閥也屬于止回閥類。

啟閉件靠介質(zhì)流動和力量自行開啟或關(guān)閉，以防止介質(zhì)倒流的閥門叫止回閥。止回閥屬于自動閥類，主要用于介質(zhì)單向流動的管道上，只允許介質(zhì)向一個方向流動，以防止發(fā)生事故。

止回閥按結(jié)構(gòu)劃分，可分為升降式止回閥、旋啟式止回閥和蝶式止回閥三種。升降式止回閥可分為立式和臥式兩種。旋啟式止回閥分為單瓣式、雙瓣式和多瓣式三種。蝶式止回閥為直通式、以上幾種止回閥在連接形式上可分為螺紋連接、法蘭連接和焊接三種。

零件名稱材料牌名閥體WCBZGCr5MoZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti閥蓋WCBZGCr5MoZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti閥瓣WCBZGCr5MoZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti銷軸2Crl32Crl31Cr18Ni9Ti1Cr18Ni12MO2Ti墊片石墨纏繞墊片石墨纏繞墊片聚四氟乙稀纏繞墊片聚四氟乙稀纏繞墊片

公稱壓力PN（MPa）殼體材料試驗壓力(Mpa)WCBZGCr5Mo(C5)ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti強度試驗液體密封氣體密封1.6H44H-16CH44Y-16IH44W-16PH44W-16R2.41.82.5H44H-25H44Y-25IH44W-25PH44W-25R3.82.84.0H44H-40H44Y-40IH44W-40PH44W-40R6.04.46.4H44H-64H44Y-64IH44W-64PH44W-64R9.67.110.0H44H-100H44Y-100IH44W-100PH44W-100R15.011.0適用溫度-29-425℃≤550℃-40-200℃-40-200℃超出溫度范圍，請訂貨時注明適用介質(zhì)水蒸氣、油品等水蒸氣、油品等硝酸等醋酸等

型號公稱通徑尺寸（mm）LDD1D2D6bZ-фdD0HH44H-16C4020014511085-164-ф1816015050230160125100-164-ф1818516065290180145120-184-ф1821517580310195160135-208-ф18230180100350215180155-208-ф18260210125400245210185-228-ф18320235150480280240210-248-ф23350250200550335295265-2612-ф23420330250650405355320-3012-ф25480380300750460410375-3012-ф255204103508505204870435-3416-ф25600490H44H-254020014511085-184-ф1816015050230160125100-204-ф1818516065290180145120-228-ф1821517580310195160135-228-ф18235185100350230190160-248-ф23270220125400270220188-288-ф25340248150480300250218-308-ф25375276200550360310278-3412-ф25435350250650425370332-3612-ф30515410300750485430390-406-ф30550430350850550490448-4416-ф34620466H44H-40402001451108576184-ф18——5023016012510088204-ф18185169型號公稱通徑尺寸（mm）LDD1D2D6bZ-фdD0HH44H-4065290180145120110228-ф1821517580310195160135121228-ф18235185100350230190160150248-ф23270220125400270220188126288-ф25340248150480300250218204308-ф253752702005503751202822603812-ф304503422506504453853453134212-ф34525401300750510450408364464-ф23550423H44H-645030017513510588268-ф2320017765340200160130110288-ф2322519780380210170140121308-ф25250212100430250200168150328-ф30315248125500295240202176368-ф343652961505503402802402043812-ф344103302006504053453002604412-ф414803852507754704003523134816-ф41565445300900530460412364504-ф25600474H44H-1005030019514511288288-ф2522021065340220170138110328-ф2524022780380230180148121348-ф30260235100430265210172150388-ф343302741255003102502101504212-ф343853071505503502902502044612-ф344253472006504303603122605412-ф415004022507755004303823136012-ф41565432