【正文】 品[升降止回閥]的詳細資料：產品型號：H41T16型產品名稱：升降止回閥產品特點：應用于工作溫度≤200℃的水、蒸汽介質的管路上，作防止介質逆流的單向啟閉用。二、性能規(guī)范：型號公稱壓力試驗壓力工作溫度℃適用介質強度（水）MPa密封（水）MPa≤50水三、主要零件材料：零件名稱材料閥體、閥蓋、閥瓣灰鑄鐵 304 316 316L密封圈橡膠墊片石棉板四、工洲牌升降式底閥外形尺寸和連接尺寸：型號公稱通徑DN（mm）尺寸（mm）重量（kg）DD1D2bfZΦdD0h0H5014011090163414135171424651601301101634141682518080185150125183418198321971002051701451834182474023012523525001752038182724327018150260225200203818315382972420031528025522381840565382382503703353102431218465844606430043539526224412235109053098一、產品[對夾升降式止回閥]的詳細資料：產品型號：H71產品名稱：對夾升降式止回閥產品特點：二、流體力學性能：H71對夾升降式止回閥的體積流量與壓力降關系：水的當量體積流量Vw與實際流體的 體積流量v按下式換算：式中：Vw一水的當量體積流量．l／s。五、H71對夾升降式止回閥的主要尺寸及重量：公稱壓女PNMPa公稱通徑DNmm尺寸(mm)重量(Kg)配管法蘭(供參考)LDD2D3D4D5螺栓孔中心圓直徑Dl螺栓數量螺栓直徑d螺栓長度Ll15165215243140654M127520196219304050754M129025227024364758854M1290322883314656681004M161004093395566781104M161055040108486578901254M1612565461286280951101454M16130805014276961101251608M1613510065162951151351501808M16150125901921101251322108M16180150106218127150158142408M20210200140273165200208242958M202402001402731652002082429512M2024015165215243140654M128020196219304050754M129025227224364758854M1290322883314656681004M161104093395566781104M161155040108486578901254M1612565461286280951101458M16135805014276961101281608M1614510060168951151351501908M20160125901941101251322208M24205150106224127150158152508M242252001402841652002082631012M2426015165215243140654M128020196219304050754M129025227224364758854M1290322883314656681004M161104093395566781104M161155040108486578901254M1612565461286280951101458M16135805014276961101281608M1614510060168, 951151351501908M20160125901941101251322208M24205150106224127150158152508M242252001402911652002082832012M27一、產品[對夾雙瓣旋啟式止回閥]的詳細資料：產品型號：H76產品名稱：對夾雙瓣旋啟式止回閥產品特點：~42 0MPa、Classl50～2500；公稱通徑DNl5～1200mm、NPsl／2—48．工作溫度一l96—540℃的各種管路上，月于防止介質剖流。體積小,、重量輕,其重量只有傳統(tǒng)法蘭止回目的1/4～1/20。四、旋啟式止回閥對比：結構形式H76型對夾雙瓣旋啟式止回閥H44型法蘭單瓣旋啟式止回閥水錘壓力?。y瓣行程短、且有彈簧輔助關閉、關閥速度快很大，閥瓣行程，需要較長的關閉時間H76型的水錘壓力只有H44型的1/2—1/5尺寸和重量結構長度很短、體積小、重量輕、為閥門的安裝、搬運、存放及管道在布置帶來很大的便利，并能大量節(jié)約材料、降低造價結構長度很長，體積笨大．重量很重H76型的結構長度只有H44型的1/4～1／10 H76型的重量只有H44型的l／4～1／10流體阻力小，～，隨著閥門口徑的增大，流體組力系數減小?小，～3，但在低壓工況下，閥瓣不能完且開啟，流體阻力大。六、H76對夾雙瓣旋啟式止回閥：七、流體力學性能：H76對夾雙瓣旋啟式止回閥的流體阻力系數、流量系數及開啟壓力：公稱通徑閥門全開啟時的流體阻力系數常溫下閥門全開啟時的水流量系數流體的流向DNDNSKv(m3／h)CV()CV()↑→開啟壓力近似值KPa505637462216521/21091281072180317220116921100428933828321125547655746621150675087873521200814321675140321250101330272622832130012367643013602213501452746171516921400167306854871603145018924610818906131500201141513356111873160024175732056017222317002823919279852344141750302745832126269094180032312413655230316419003639539462613874841100040488145711247838411050425381762966527414112004870292822426888641八、H76對夾雙瓣旋啟式止回閥的型號、材料及主要參數：配管法蘭公稱壓力常規(guī)產品型號JB/T74～90GB/T9112～9124HG50592～20614H76H10CH76W10PH76W10P8H76W10P3H76W10RH76W10R8H76W10R3H76H16CH76W16PH76W16PH76W16P3H76W16RH76W16R8H76W16R3H76H25H76W25PH76W25P8H76W25P3H76W25RH76W25R8H76W25R3H76H40H76W40PH76W40P8H76W40P3H76W40RH76W40R8H76W40R3H76H63H76W63PH76W63P8H76W63P3H76W63RH76W63R8H76W63R3H76H100H76W100PH76W100P8H76W100P3H76W100RH76W100R8H76W100R3H76H160H76W160PH76W160P8H76W160P3H76W160RH76W160R8H76W160R3H76H200H76W200PH76W200P8H76W200P3H76W200RH76W200R8H76W200R3H76H250H76W250PH76W250P8H76W250P3H76W250RH76W250R8H76W250R3GB/T9112～9124HG20615～20635SH3406H76H20CH76W20P8H76W20P3H76W20R8H76W20R3H76H50H76W50P8H76W50P3H76W50R8H76W50R3H76H110H76W110P8H76W110P3H76W110R8H76W110R3H76H150H76W150P8H76W150P3H76W150R8H76W150R3H76H260H76W260P8H76W260P3H76W260R8H76W260R3H76H420H76W420P8H76W420P3H76W420R8H76W420R3Class150H76HA1CH76WA1P8H76WA1P3H76WA1R8H76WA1R3Class300H76HA3H76WA3P8H76WA3P3H76WA3R8H76WA3R3Class600H76HA6H76WA6P8H76WA6P3H76WA6R8H76WA6R3Class900H76H9H76W9P8H76W9P3H76W9R8H76W9R3Class1500H76H15H76W15P8H76W15P3H76W15R8H76W15R3Class2500H76HA25H76HA25P8H76HA25P3H76HA25R8H76HA25R3主要零件材料閥體WCB（A105）ZG1Cr