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更新時間：2024-11-19 10:05:57瀏覽次數(shù)：8次
聯(lián)系我時，請告知來自 環(huán)保在線產(chǎn)品結(jié)構(gòu)特點Constructionfeatures1)流體阻力小閘閥閥體內(nèi)部介質(zhì)通道是直通的，介質(zhì)流經(jīng)閘閥時不改變其流動方向，因而流動阻力較小
產(chǎn)品結(jié)構(gòu)特點 Construction features 1) 流體阻力小 閘閥閥體內(nèi)部介質(zhì)通道是直通的，介質(zhì)流經(jīng)閘閥時不改變其流動方 向，因而流動阻力較小； 2) 啟閉較省力 啟閉時閘板運動方向與介質(zhì)流動方向相垂直，閘閥的啟閉較為省力； 3) 介質(zhì)流動方向一般不受限制介質(zhì)可以從閘閥兩側(cè)任意方向流過，均能達到接通或 截斷的目的，便于安裝，適用于介質(zhì)的流動方向可能改變的管路中； 4) 密封面磨損小 閘閥的閥體上設(shè)有導(dǎo)向機構(gòu)，可防止閘板在開啟或關(guān)閉時旋轉(zhuǎn)， 從而保證密封面相應(yīng)對準，并使閘板在未達到關(guān)閉位置之前不與閥座摩擦，從而減 少密封面的磨損； 5) 結(jié)構(gòu)簡單 閘閥的形狀結(jié)構(gòu)比較簡單，制造工藝性較好，結(jié)構(gòu)長度比較短。 6) 填料室設(shè)有真空密封結(jié)構(gòu)，具有自脹壓緊作用，并且密封采用高強膨脹材料密封，使系統(tǒng)與大氣隔離，具有很好的系統(tǒng)氣密封性。 1) The internal medium channel of the fluid resistance small gate valve body is straight through, and the flow direction is not changed when the medium flows through the gate valve, thus the flow resistance is smaller. 2) The movement direction of the gate is perpendicular to the flow direction of the medium when the opening and closing are more efficient than the other, and the gate valve's opening and closing are more efficient; 3) Medium flow direction is generally not restricted medium can flow from the gate on both sides of any direction, it can achieve the purpose of connected or truncate,easy to install, suitable for medium may change the direction of current flow in pipeline; 4) Sealing surface wear small gate valve body is equipped with guide mechanism,can prevent the disc rotate in open or closed, to ensure that corresponding alignment on sealing surface, and make the disc in the closed position has not been achieved before no friction with the valve seat, thereby reducing the wear of sealing surface; 5) The structure of simple gate valve is relatively simple, the manufacturing process is better and the structure length is shorter. 6) The packing chamber is equipped with vacuum seal structure, which has self-expanding pressure and compaction, and sealing with high pressure expansion material, so that the system is completely isolated from the atmosphere, and has a good system gas seal. 產(chǎn)品特征 Spericfications 適用介質(zhì)：水、氣、油品、天然氣和酸堿腐蝕性介質(zhì) 適用溫度：-196~425℃ 驅(qū)動方式：手動、氣動、電動等 公稱壓力：1.0~4.0MPa 公稱通徑：DN50~1200mm Applicable media: water, gas, oil, gas and acid and alkali corrosive medium Applicable temperature: -196~425℃ Driver: manual, pneumatic, electric, etc Nominal pressure: 1.0~4.0MPa Nominal size: DN50~1200mm 技術(shù)規(guī)范 Technical specification 試驗壓力 Test prssure 閘閥結(jié)構(gòu)長度和外接尺寸 Main connection dimensions
設(shè)計依據(jù) Design reference GB系列 GB series 設(shè)計標準 Design standard GB/T12234 結(jié)構(gòu)長度 Face to face GB/T12221 連接法蘭 End flange GB/T9113 HG20592 試驗和檢驗 Test & inspection GB/T 26480 壓力等級
Pressure grade試驗壓力 Test pressure 公稱壓力 PN
Nominal pressure殼體試驗
Sheil test正密封試驗
Sealing test反密封試驗
Sealing test氣密封試驗
Air seal test1.0 1.5 1.1 1.1 0.6 1.6 2.4 1.76 1.76 0.6 2.5 3.75 2.75 2.75 0.6 4.0 6.0 4.4 4.4 0.6 6.3 9.45 6.93 6.93 0.6 10.0 15.0 11.0 11.0 0.6 PN:1.0 PN:1.6~2.5 PN:4.0~10.0 公稱通徑
DNL
(mm)H
(mm)D0
(mm)L
(mm)H
(mm)D0
(mm)L
(mm)H
(mm)D0
(mm)50 180 345 200 250 350 220 250 360 250 65 195 360 220 265 370 240 280 385 300 80 210 380 240 280 390 280 310 420 300 100 230 430 280 300 435 300 350 450 350 125 255 520 300 325 520 320 400 540 400 150 280 520 300 350 610 350 450 630 200 330 765 400 400 787 400 550 820 250 380 930 450 450 930 450 650 960 300 420 1080 500 500 1080 500 750 1130 350 450 1200 500 550 1250 550 850 1300 400 480 1400 550 600 1430 600 950 1450 450 510 1500 600 650 1520 650 1050 1500 500 540 1630 650 700 1650 700 1150 1680 600 600 1830 700 800 1850 750 1350 1900 700 660 1930 750 900 1950 800 1450 2050 800 720 2170 800 1000 050 850 1650 2170 900 780 2300 850 1100 2150 900 1000 840 2600 1200 2250 950 1200 960 2900
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