上海鴻蝶閥門生產(chǎn)的　H44H/W旋啟式止回閥選用于公稱壓力PN1.6～6.4MPa，工作溫度-29～550℃的石油、化工、火力電站等各種工況的管路上。適用介質(zhì)為：水、油品、蒸汽等。

　　特點(diǎn)

　　1、選材考究，符合國(guó)內(nèi)、外相關(guān)標(biāo)準(zhǔn)，材料的全面質(zhì)量高。

　　2、密封副配對(duì)先進(jìn)合理，閥瓣、閥座密封面采用鐵基合金或司太立(Stellite)鈷基硬質(zhì)合金堆焊面成，耐磨、耐高溫、耐腐蝕、抗擦傷性能好，使用壽命長(zhǎng)。

　　3、產(chǎn)品按國(guó)家標(biāo)準(zhǔn)GB/T12235設(shè)計(jì)制造。

　　4、可采用各種配管法蘭標(biāo)準(zhǔn)及法蘭密封型式，滿足各種工程需要及用戶要求。

　　5、閥體材料品種齊全，墊片可根據(jù)實(shí)際工況或用戶要求合理選配，能適用于各種壓力、溫度及介質(zhì)工況。

　　可按用戶要求設(shè)計(jì)制造不同結(jié)構(gòu)形式和連接形式的止回閥，為各種設(shè)備配套使用。

　　旋啟式止回閥 應(yīng)用范圍

設(shè)計(jì)與制造GB/T12235連接端尺寸結(jié)構(gòu)長(zhǎng)度GB/T12221法蘭尺寸JB/T79檢驗(yàn)與試驗(yàn)JB/T9092材料碳鋼GB/T12229不銹鋼GB/T12230合金鋼Q/ZB66標(biāo)志GB/T12220供貨JB/T7928

　　旋啟式止回閥 主要零件材料

閥體閥蓋閥瓣閥座適用介質(zhì)> 適用溫度 (≤℃)WCBWCB+D507MoWCB+D577水、油品、蒸汽425ZG1Cr18Ni9Ti0Cr18Ni9+
Stellite120Cr18Ni9+
Stellite6銷酸類200ZG1Cr18Ni2Mo2TiCF8M+Stellite12ZG1Cr18Ni2Mo2Ti磷酸、醋酸類、混酸200ZG00Cr17Ni14Mo2CF3M+Stellite12CF3M+Stellite6尿素、甲銨液、磷酸200ZG1Cr5MoZG1Cr5Mo+
Stellite12ZG1Cr5Mo+
Stellite6水、油品、蒸汽550

　　旋啟式止回閥 主要外形尺寸

公稱通徑DNLDD1D2bZ-ΦdHWT(Kg)H44H-16C H44W-16C H44W-16P H44W-16R H44W-16I50230160125100164-Φ181352165290180145120184-Φ181422880310195160135208-Φ1816538100350215180155208-Φ1818058125400245210185228-Φ1821092150480280240210248-Φ232331302005003352952652612-Φ233042102505504053553203012-Φ253482943006504604103753012-Φ253903673507505204704353416-Φ254304104008505805254853616-Φ304684614509506405855454020-Φ3052357050010257056506084420-Φ34525850H44H-25 H44W-25 H44W-25P H44W-25R H44W-25I50230160125100204-Φ181602265290180145120228-Φ181752980310195160135228-Φ1818538100350230190160248-Φ2322061125400270220188288-Φ2524896150480300250218308-Φ252761322005503603102783412-Φ253502132506504253703323612-Φ304102973007504854303904016-Φ304303723508505504904484416-Φ345184154009506105505054816-Φ3456048045010256606005555020-Φ3458261050011507306606105220-Φ41618920公稱通徑DNLDD1D2D6bff2Z-ΦdHWT(Kg)H44H-40 H44W-40 H44W-40P H44W-40R H44W-40I 凹凸法蘭502301601251008820344-Φ18169226529018014512011022348-Φ18173208031019516013512122348-Φ18185381003502301901601502434.58-Φ23220611254002702201881762834.58-Φ25248961504803002502182043034.58-Φ252701322005503753202822603834.512-Φ303422132506504453853453134234.512-Φ344012973007505104504083644644.516-Φ34423372350850570510465422524516-Φ34455415400950655585535474584516-Φ41510480H44H-64 H44W-64 H44W-64P H44W-64R H44W-64I 凹凸法蘭503001751351058826344-Φ23177276534020016013011028348-Φ23197378038021017014012130348-Φ23212571004302502001681503234.58-Φ25248891255002952402021763634.58-Φ302961351505503402802402043834.58-Φ343301842006504053453002604434.512-Φ343852662507754704003523134834.512-Φ414453963009005304604123645444.516-Φ414746433501025595525475422604516-Φ415148154001150670585525474664516-Φ486161234