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主要零件和材質Mainpartsandmaterials序號NO零件名稱Accessorname材質MaterialGB系列1內六角螺釘Nut35#
主要零件和材質 Main parts and materials 產品結構特點 Construction features 本產品主體為球閥與蝶閥的結合，主要結構類似蝶閥，而閥芯為部分球體即閥芯取球體實際有效的一部分即密封面附近的一部分，閥座為串動環(huán)體，閥芯轉動中心與球體中心不同心。剖面圖上可見球體的弧面與環(huán)錐面接觸的點與球中心形成的垂足都不與環(huán)錐面剖線垂直，換言之，閥座密封面不是球體的切線形成的連續(xù)面。有反向作用壓力或反向作用壓力大于正向作用壓力時形成反壓差，閥座串動自動補償密封間隙，使之達到雙向密封。作用壓力越大，雙向密封的效果越好。 產品特征 Spericfications 適用介質：水、氣、油品、天然氣和酸堿腐蝕性介質 技術規(guī)范 Technical specification 試驗壓力 Test prssure 球閥結構長度和外接尺寸 Main connection dimensions
序號
NO零件名稱
Accessor name材質 Material GB系列 1 內六角螺釘 Nut 35#, 304, 316, F316L 2 后蓋 Bottom cover Q235, F304, F316, F316L 3 墊子 Gasket PTFE石墨 不銹鋼 Stainless steel+石墨 Graphite 4 對開環(huán) Washer 20Cr13, 304, 304L, 316, 316L, 25Cr2MoV 5 軸套 Bush bearing 自潤滑復合軸套 304/316+HF 6 閥體 Body WCB, LCB, CF8, CF3, CF8M, CF3M 7 螺柱 Bonnet bolt 35#, 304, 316, F316L 8 螺母 Nut 45#, 304, 316, F316L 9 O型圈 O ring 丁腈橡膠 Rubber 氟橡膠 Viton 10 填料箱 Packing A105, F304, F316 11 內六角螺釘 Nut 35#, 304, 316, F316L 12 固定軸 Seat ring 20Cr13, 304, 304L, 316, 316L 13 蝶板 Butterfly WCB, LCB, CF8, CF3, CF8M, CF3M 14 圓錐軸 Taper pin 20Cr13, 304, 304L, 316, 316L 15 閥座 Seat F304, F316, F316L 16 O型圈 O ring 丁腈橡膠 Rubber 氟橡膠 Viton 17 軸套 Bush bearing 自潤滑復合軸套 304/316+HF 18 閥桿 Stem 20Cr13, 304, 304L, 316, 316L 
This product is subject to the combination of ball valve and butterfly valve, the main structure similar to butterfly valve, the valve core for part of the sphere
which take ball valve core part of the real effective near the sealing surface, as part of the seat for the ring body, valve core center of rotation is different from a sphere center. Profile is visible on the sphere surface contact with ring cone with the pedal is not formed by the center points and the ball ring cone vertical profile, in other words, the valve seat sealing surface is not a sphere A continuous surface of a line. With reverse pressure or reverse the role against the differential pressure is greater than the positive effect when, seating series of dynamic self-compensation seal clearance, to two-way sealing. The more pressure, the better the effect of the bidirectional seal.
適用溫度：-196~150℃
驅動方式：手動、氣動、電動、液動等
公稱壓力：1.0~4.0MPa
公稱通徑：DN100~2000mm
Applicable media: water, gas, oil, gas and acid and alkali corrosive medium
Applicable temperature: -196~150℃
Driver: manual, pneumatic, electric, hydraulic, etc
Nominal pressure: 1.0~4.0MPa
Nominal size: DN100~2000mm設計依據 Design reference GB系列 GB series 設計標準 Design standard GB/T12237 結構長度 Face to face GB/T12221 連接法蘭 End flange GB/T9113 HG20592 試驗和檢驗 Test & inspection GB/T13927 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 - 0.6 1.6 2.4 1.76 - 0.6 2.5 3.75 2.75 - 0.6 4.0 6.0 4.4 - 0.6 PN:1.6~4.0 公稱通徑
DNL
(mm)H
(mm)H1
(mm)公稱通徑
DNL
(mm)H
(mm)H1
(mm)50 108 97 393 500 229 365 1245 65 112 107 413 600 267 430 1340 80 114 117 433 700 292 510 1615 100 127 127 508 800 318 570 1735 125 140 147 538 900 330 620 1865 150 140 157 631 1000 410 690 1865 200 152 187 681 1200 470 790 2265 250 165 217 745 1400 530 880 2475 300 178 237 762 1600 600 100 2665 350 190 277 957 1800 670 1100 2925 400 216 300 1040 2000 760 1220 3135 450 222 335 1155
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