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聯(lián)系我時(shí)，請(qǐng)告知來自 環(huán)保在線性能規(guī)范 Property specification用途及特點(diǎn)Purpose and characteristic伸縮蝶閥適用于溫度≤80℃，公稱壓力≤1.6MPa的食品，醫(yī)藥、化工、石油、電力、輕紡、造紙等給排水、氣體管道上作調(diào)節(jié)流量和截流介質(zhì)的作用，具有補(bǔ)償管道熱脹冷縮的功能。其主要特點(diǎn)如下：1、設(shè)計(jì)新穎、合理、結(jié)構(gòu)、重量輕、操作方便、啟閉迅速；2、伸縮蝶閥除了能作調(diào)節(jié)和截流作用、補(bǔ)償管......
性能規(guī)范 Property specification
用途及特點(diǎn)Purpose and characteristic
| 伸縮蝶閥適用于溫度≤80℃，公稱壓力≤1.6MPa的食品，醫(yī)藥、化工、石油、 電力、輕紡、造紙等給排水、氣體管道上作調(diào)節(jié)流量和截流介質(zhì)的作用， 具有補(bǔ)償管道熱脹冷縮的功能。其主要特點(diǎn)如下： 1、設(shè)計(jì)新穎、合理、結(jié)構(gòu)、重量輕、操作方便、啟閉迅速； 2、伸縮蝶閥除了能作調(diào)節(jié)和截流作用、補(bǔ)償管道溫差所產(chǎn)生的熱脹冷縮功能外， 還能為安裝更換、維修閥門提供方便； 3、密封部位可調(diào)節(jié)更換，密封性能可靠等特點(diǎn)。 | Telescopic butterfly valve is suitable for water supplying and draining,gas pipe as adjust flux and cut off medium in foodstuff,pharmacy,chemcal industry,petroleum ,electric power,light textile,paper making etc,with temperature ＜80℃,nominal pressure＜1.6Mpa.and has function of compensation pipe expand with heat and contract with cold,the main characteristic as below: 1.Novel and reasonable design,particular configuration,light and easy to operate and start and stop rapidly. 2.Besides adjust and cut off currency,compensate temperature differential in pipe, which cause ftunction of expansion with heat and extra ction with cold,flexible butterfly valve can provide convenience for installation exchange,maintenance. 3.It has characteristic of hermetical components can adjust and replace, reliable hermetic capability etc. |
設(shè)計(jì)標(biāo)準(zhǔn)Design standard:GB/T 12238-1989
法蘭連接尺寸Fiange connection dimension:GB/T 9113.1-2000;GB/T 9113.2-2000
GB/T 9115.1-2000;GB/T 9115.2-2000
壓力試驗(yàn)Pressure test:GB/T 13927-1992;JB/T 9092-1999
主要技術(shù)參數(shù) Main technical parameter
| 公稱通徑Nominal diameter | DN(mm) | 50~2000 | ||
| 公稱壓力Nominal pressure | PN(MPa) | 0.6 | 1.0 | 1.6 |
| 試驗(yàn)壓力 Ps(MPa) Test pressure | 強(qiáng)度試驗(yàn)Strengh test | 0.9 | 1.5 | 2.4 |
| 密封試驗(yàn)Seal test | 0.66 | 1.1 | 1.76 | |
| 氣密封試驗(yàn)Gas seal test | 0.6 | 0.6 | 0.6 | |
| 適用溫度Applicable temperature | ≤80℃ | |||
| 適用介質(zhì)Applicable medium | 空氣、水、蒸氣、煤氣、油品等。Air,water,steam,coal gas,oil. | |||
| 驅(qū)動(dòng)形式Drive modality | 手動(dòng)、蝸桿蝸輪傳動(dòng)、氣傳動(dòng)、電傳動(dòng)。hand,worm wheel drive,pneumatic drive,electric drive. | |||
主要零件的材質(zhì)Material for main parts
| 零件名稱Parts name | 材料Material |
| 閥體Body | 鑄鐵、鑄鋼、不銹鋼、鉻鉬鋼、合金鋼Castiron,cast steel,stainless steel,Cr.Mo.Steel.alloy steel |
| 蝶板Disc | 鑄鋼、合金鋼、不銹鋼、鉻鉬鋼Cast steel,Alloy steel,stainless steel,Cr.Mo.Steel |
| 密封圈Seal ring | 橡膠、聚四氟、聚內(nèi)脂、不銹鋼Rubber,Telflon,polyester alctone,stainless steel |
| 閥桿Stem | 2Cr13、不銹鋼、鉻鉬鋼Stainless steel,Cr.Mo.Steel |
| 伸縮管Flexible tube | 鑄鐵、鑄鋼、不銹鋼、鉻鉬鋼Cast iron,cast steel,stainless steel,Cr.Mo.Steel |
| 填料Packing | 柔性石墨Flexible graphite |
伸縮蝶閥安裝使用注意事項(xiàng)Notice for installation and usage of telescopic butterfly valve
1、伸縮蝶閥在安裝前必須平放，切勿隨意磕碰。
2、伸縮媒閥出廠時(shí)結(jié)構(gòu)長(zhǎng)度為最小長(zhǎng)度，安裝時(shí)，拉至安裝長(zhǎng)度（即設(shè)計(jì)長(zhǎng)度）。
3、當(dāng)管道間長(zhǎng)度超過伸縮閥安裝長(zhǎng)度時(shí)，請(qǐng)調(diào)整管道間屬，切勿強(qiáng)行拉行伸縮閥，以免損壞伸縮閥。
4、伸縮蝶閥可在任意位置安裝，做溫度補(bǔ)償用時(shí)，在管道安裝完成后，需沿管道軸線方向兩端加支架，防止伸縮閥伸縮管拉出（見圖1），支架的支承力按下列公式計(jì)算，運(yùn)行時(shí)嚴(yán)禁將支架卸掉。
F＞π/4PS·DN2·（kgf）
式中：PS-管道試驗(yàn)壓力，DN-管道直徑
5、伸縮蝶閥不做溫度補(bǔ)償時(shí)，只做安裝更換、維修閥門方便用時(shí)，可用通螺栓限位，對(duì)稱夾緊伸縮蝶閥以防止伸縮管拉出（見圖2），損壞伸縮蝶閥及管道裝置或建筑物。螺檢直徑可按照法蘭螺栓直徑。其螺栓強(qiáng)度和承受試驗(yàn)壓力及管道拉力，按上公式進(jìn)行計(jì)算，運(yùn)行時(shí)限位螺栓嚴(yán)禁卸掉（螺栓另配）
6、管道施工現(xiàn)場(chǎng)嚴(yán)禁隨意拆卸解體伸縮蝶閥。
7、本伸縮蝶閥，加工精細(xì)，配合嚴(yán)密，請(qǐng)勿在現(xiàn)場(chǎng)隨意反復(fù)拉長(zhǎng)壓短伸縮蝶閥。管道安裝時(shí)，要求伸縮閥兩端管道必須同心，管道上的兩法蘭面要求平行。
8、法蘭固定螺栓應(yīng)對(duì)稱緊固，請(qǐng)勿單邊強(qiáng)行緊固法蘭固定螺栓。
9、伸縮管安裝在閥門后。
10、伸縮閥伸縮部分不得安裝在管道拐角處或管道未端。
1.Telescopic butterftly valve should be placed horizontaly,any colision will be not allowed.
2.When telescopic buerfly valve left factory,its structure length is the minimum length,when installation should be pulled to installation length(Design length)
3.When length between pipes exceed telescopic valve installation length,please adjust the space between pipes,shouldn't pull telescopic valve constrainedly,lest damage telescopic valve.
4.Telescopic butterfly valve can be installed in optional position,when it compensate temperature,after install pipe,it should be installed brackets on both sides of pipe axes direction,in order to prevent telescopic tube of telescopic valve from pulling out(see diagram1),accumulate supporting force of bracket should be according to formula as below,andshouldn't unload bracket when delivery.
F＞π/4PS·DN2·（kgf）
Test:PS-pipe pressure test,DN-Diameter of pipe
5.When telescopic butterfly valve doesn'ttreat as temperature compensation,only treat as install,exchange,and maintain valve conveniently,and it can use
screw to retain,symmetry clamp telescopic butterfly valve symmetrically,so as to avoid telescopic tube being pulled out(see diagram2),and damage
telescopic butterfly valve and pipe fitting or consruction,Diameter of bolt can according to diameter of flange bolt,accumulate bolt intensity and
bearing pressure test and pull of pipe according to above formula,when operation,retaining screw should not be unloaded(mate in addition)
6.On pipe constructive spot where remove or disassenbly telescopic buttdrfly valve wil be not allowed.
7.This kind of telescopic butterfly valve has been machining and fitting strictly,don't pull and press it from tine to time optionally on spor.when install
pipe,Botn pipe ends of telescopic valve snouldbe homocentric,botn facing flanges should be horizontal.
8.Fixed bolt on flange should be symmetrical and clamped,shouldn't calamp fixed bolt of flange on single side.
9.Telescopic tube should be installde behind of valve.
10.Telescopic part of telescopic valve shouldn't be installed on corner of pipr or end of pipe.
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