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產(chǎn)品概述 (保特律閥門) skc8yW>l
該產(chǎn)品嚴(yán)格按 GB/T12235、API 標(biāo)準(zhǔn)設(shè)計制造,升降式止回閥是生產(chǎn)過程調(diào)節(jié)系統(tǒng)中的重要環(huán)節(jié)之一,是控制管道內(nèi)介質(zhì)單向流向的閥門,阻止介質(zhì)倒流。閥瓣沿著中心定位作升降運動,襯套采用耐磨性能好,摩擦系數(shù)小的特殊材料制作,動作靈活可靠,密封性能優(yōu)良。產(chǎn)品廣泛應(yīng)用于石油、化工、制藥、電力行業(yè)等各種工況的管路上。 3SO}\1 F
升降式止回閥設(shè)計與制造標(biāo)準(zhǔn) 3>Ek/pV
●設(shè)計與制造: API6D、GB/T12235 hm]i[P|K8
●法蘭尺寸: ASME B16.5 、JB/T79 %ZK cY
●壓力溫度: ASME B1 6.34、GB/T9131 bMIVSE
●結(jié)構(gòu)長度: ASME B16.10、GB/T12221 LaQ@t
●檢驗與試驗: GB/T13927 、JB/T9092 $5z6I:v0
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H42H/Y/W鑄(鍛)鋼立式止回閥產(chǎn)品概述 (保特律閥門) XgK?9}_d+9
H42W/H/Y嚴(yán)格按 API6D、GB/T12235 標(biāo)準(zhǔn)設(shè)計制造,本系列閥門正常處于關(guān)閉狀態(tài),由于管線中進口端介質(zhì)的壓力作用,而克服彈簧阻力使閥門開啟。當(dāng)進口端介質(zhì)壓力低于出口端時,彈簧將閥芯推向閥座而使閥門關(guān)閉,阻止介質(zhì)逆流,故起止回作用。本閥門由于采用彈簧支撐閥芯,故采用立式安裝或臥式裝均可。本產(chǎn)品廣泛應(yīng)用于石油、化工、制藥、電力行業(yè)等各種工況的管路上。 E 68&SF
H42H/Y/W鑄鋼立式止回閥設(shè)計與制造標(biāo)準(zhǔn) RA25mek
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●法蘭尺寸:ASME B16.5 、JB/T79 +IGA!
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