2、双偏心软密封蝶阀 几何形状设计 偏心1:阀轴轴线对密封面中心线的偏心H 偏心2:阀轴轴线对管道轴线的偏心E 偏心3:阀座密封面圆锥角度偏心α Geometry Design Ex1(ExH):shaft axis vs.sealing centerling Ex2(ExE):shaft axis vs.pipe axis Cone angle α:cone angle eccentricty αof seating face 用途概述 本蝶阀适用于水厂、电力、石油、冶金、化工、 建筑和市政工程等介质为水、油品和空气管道上、 起切断流体和调节介质量等作用。 Purpose The butterfly valves are desinged as device to shut-off or regulate the working mediun flow and instandde in inddustrial pipelines with medium of water,oil and in plant,powerplant,petorleum,metullurgy,chemical industry,construction ,municipal engineering and etc. 特点优点 1. 蝶板采用双偏心结构,摩擦力矩小,启闭迅速,操作灵活,轻便省力。 2. 阀座采用双偏心结构,阀座处很低的摩擦及磨损,使用寿命更长。 3. 密封面通过压圈和螺钉安装在蝶板上,便于调整和更换。 Features And Benefits 1. Double ecentric disc provides a very low friction torque,rapid open-close,excellent Operation, light weight and labor saving. 2. Double ecentric seat provdes a very low friction,wear resistandce and long life service 3. Sealing ring fixed in the disc by screw are easily adjusted and replace. 4. Zero leakage sealing in bi-directional 执行标准 Standar 制造标准 Manufacture acc.to | GB/T12238 | API609 TYPE B AWWAC504 | 法兰连接标准 Flange Connecction | GB/T9113.1-2000 GB/T17241.6-1998 Gb4216 | ASME B16.5、ASME B16.47 ASME16.1、AWWAC207 | 结构长度标准 Face to Face Dimension | GB/T12221-2005 | API609、AWWAC504 | 试验检验标准 Test & inspection | GB/T13927-2008 | API598、AWWAC504 | 性能规范 Technical Data 公称通径DN(mm) | 100~3000 | 100~2400 | 100~1600 | 100~1200 | 4”-60” | 公称压力PN(mm) | 0.6 | 1.0 | 1.6 | 2.5 | 2.0 | 壳体强度试验(Mpa)Shell Test | 0.9 | 1.5 | 2.4 | 3.75 | 3.0 | 密封强度试验(Mpa)Seal Test | 0.66 | 1.1 | 1.76 | 2.75 | 2.2 | 适用温度Applicable Temperature | -29℃~80℃ | 适用介质Applicable Medium | 水、空气、天然气、油品及弱腐蚀性流体 Water ,air, natural, petroleum products and weak corrosive medium. | 驱动方式Operating Type | 涡轮传动、电动、气动、液动、电动等 Worm gear, electric, pneumatic, electro-hydraulic etc. | 漏泄率Leakage Rate | 按GB/T13927-2008 A级标准 In accordance with GB/t13627-2008 A | D372-16P连接尺寸(DN50-DN600) 公称通径 DN(mm) | 外型尺寸 Outside Dimension(mm) | DN | L | A | B | C | D0 | H1 | H2 | K | 4-Φd | DN50 | 42 | 160 | 30 | 42 | 140 | 74.8 | 152 | 123 | 4-Φ21 | DN 65 | 44.7 | 160 | 30 | 42 | 140 | 85 | 162 | 142 | 4-Φ21 | DN 80 | 45.2 | 160 | 30 | 42 | 140 | 97.5 | 170 | 156 | 4-Φ22.6 4-Φ22.6 | DN 100 | 52 | 160 | 34 | 50 | 200 | 113.5 | 186 | 185 | 4-Φ19 4-Φ19 | DN 125 | 54.4 | 160 | 37 | 50 | 200 | 130 | 201 | 214.5 | 4-Φ19 4-Φ22 | DN 150 | 55.8 | 160 | 37 | 50 | 200 | 146 | 221.5 | 241 | 4-Φ23 | DN 200 | 60.6 | 215 | 42 | 55 | 250 | 176 | 250.5 | 297 | 4-Φ24.8 4-Φ24.8 | DN 250 | 65.6 | 225 | 48 | 60 | 300 | 215 | 297.5 | 362 350 | 4-Φ23.4 4-Φ25.4 | DN 300 | 76.9 | 325 | 52 | 80 | 400 | 245 | 354 | 399.64 431.12 | 4-Φ23 4-Φ25 | DN 350 | 76.5 | 325 | 56 | 80 | 400 | 260 | 374 | 460 470 | 4-Φ25 4-Φ28 | DN 400 | 86.5 | 325 | 60 | 80 | 400 | 300 | 409 | 515 540 | 4-Φ26 4-Φ54 | DN 450 | 105.6 | 395 | 66 | 104.5 | 600 | 230 | 454.3 | 565 585 | 4-Φ26 4-Φ31 | DN 500 | 131.8 | 395 | 72 | 104.5 | 600 | 365 | 494.25 | 620 650 | 4-3Φ2 4-Φ61.6 | DN 600 | 152 | 416 | 82 | 130 | 700 | 430 | 573 | 725 770 | 4-Φ31 4-Φ37 | |