GD-J/S型高真空档板阀

GD-J/S型高真空档板阀

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2023-08-22 09:12:32
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永嘉县科本真空阀门厂

永嘉县科本真空阀门厂

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产品简介

GD-J/S型高真空档板阀 GD High Vacuum Flapper ValveGD型高真空挡板阀用于接通或切断真空管路中的气流。GD-J/S型高真空档板阀适用介质为纯净空气和非腐蚀性气体。高真空档板阀按轴封结构可分GD-J型橡胶轴封高真空档板阀和GD-J(b)型波纹管轴封高真空档板阀两种。高真空档板阀按通导形式可分GD-J为角通型式高真空档板阀，GD-S为带预抽口的三通型式高真空档板阀。

详细介绍

GD-J/S型高真空档板阀 GD High Vacuum Flapper Valve

GD型高真空挡板阀用于接通或切断真空管路中的气流。GD-J/S型高真空档板阀适用介质为纯净空气和非腐蚀性气体。高真空档板阀按轴封结构可分GD-J型橡胶轴封高真空档板阀和GD-J(b)型波纹管轴封高真空档板阀两种。高真空档板阀按通导形式可分GD-J为角通型式高真空档板阀，GD-S为带预抽口的三通型式高真空档板阀。

GD high vacuum flapper valves is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases. According to its shaft seal structure, high vacuum flapper valve is classified into GD-J rubber shaft seal type and GD-J(b)bellows shaft seal type. According to its put-through type, it is classified into GD-J angle type and GD-S three-way type with prepumping.

主要技术性能 Main Technical Performance 

适用范围：Applicability 　105～1.3×10-4Pa(轴封为橡胶) ; 105～1.3×10-5Pa(轴封为波纹管) 
阀门漏率：Valve Leak Rate 　≤1.3×10-4Pa.L/S.(轴封为橡胶) ; ≤1.3×10-5Pa.L/S.(轴封为波纹管) 
适用温度：Applicable Temperature 　-25～ 80℃(丁月青橡胶) ; -30～ 150℃(氟橡胶)

主要零件材料 Materials of Main Parts

阀体、阀盖、阀杆：铝合金、碳钢或不锈钢Body, bonnet and stem: aluminium alloy, carbon steel or stainless steel

密封件：丁月青橡胶、氟橡胶、波纹管(轴封)。Sealing element: NBR, Viton, bellows(shaft seal)

外形及连接尺寸(mm) Overall and Connection Dimensions

快卸法兰连接

Model
型号		 DN D1 D A H P 法兰标准
GD-J10(b) 10 12.2 30 40 124.5 60 GB4982
GD-J16(b) 16 17.2 30 40 124.5 60
GD-J25(b) 25 26.2 40 50 134.5 78
GD-J32(b) 32 34.2 55 58 153 78
GD-J40(b) 40 41.2 55 65 160.5 78
GD-J50(b) 50 52.2 75 70 203 78

活套法兰连接

Model
型号		 DN D1 Do D2 A P H n-φc Dny预抽口 法兰标准
GD-J50 50 110 90 55 70 78 203 4-φ9   GB6070
GD-J63 63 130 110 68 88 160 380 4-φ9  
GD-J80 80 145 125 85 98 160 400 8-φ9  
GD-J100 100 165 145 105 108 160 420 8-φ9  
GD-J(S)160 160 225 200 165 158 160 575 8-φ11 DN40 GB4982
GD-J(S)200 200 285 260 208 200 160 655 12-φ11 DN50 GB6070
GD-J(S)250 250 335 310 258 208 250 690 12-φ11 DN63 GB6070
GD-J(S)320 320 425 395 328 250 250 785 12-φ14 DN80 GB6070
GD-J(S)150 150 220 195 156 158 160 575 8-φ12 DN40 GB4982 JB919
GD-J(S)300 300 380 350 308 250 250 785 8-φ14 DN80 GB6070 JB919
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