一、进口气动调节型隔膜阀产品概述
进口气动调节型隔膜阀,Pneumatic control type diaphragm valve,也可称气动氯气调节阀是由多弹簧气动薄膜执行器与隔膜调节阀阀体组成,一般用于氯气介质中。
美国威盾VTON气动调节型隔膜阀主要产品有气动隔膜调节阀,气动铸钢隔膜调节阀,气动不锈钢隔膜调节阀,气动带手动隔膜调节阀,气动衬氟隔膜调节阀,气动衬胶隔膜调节阀,气动隔膜调节阀具有结构简单、流路阻小、流通力较同口径的其它阀大,无泄漏,能用于高粘度及悬浮颗粒流体的调节,根据隔膜材料的不同(橡胶或聚四氟乙烯)适用于调节强碱、强腐蚀性介质。由隔膜阀配用气动薄膜执行机构组成。隔膜与阀体间“山”形凸出面进行密封,与外界隔离(无填料函),特别适合于要求耐腐蚀、剧毒场合。
Pneumatic regulating diaphragm valve, Pneumatic control type diaphragm valve, It can also be called a pneumatic chlorine gas regulating valve, which is composed of a multi spring pneumatic diaphragm actuator and a diaphragm regulating valve body, and is generally used in chlorine gas media.
The main products of the American Weidun VTON pneumatic regulating diaphragm valve include pneumatic diaphragm regulating valve, pneumatic cast steel diaphragm regulating valve, pneumatic stainless steel diaphragm regulating valve, pneumatic manual diaphragm regulating valve, pneumatic fluorine lined diaphragm regulating valve, pneumatic rubber lined diaphragm regulating valve. The pneumatic diaphragm regulating valve has a simple structure, small flow resistance, larger flow force than other valves of the same caliber, no leakage, and can be used for regulating high viscosity and suspended particle fluids. Depending on the diaphragm material (rubber or polytetrafluoroethylene), it is suitable for regulating strong alkaline and corrosive media. Composed of a diaphragm valve equipped with a pneumatic diaphragm actuator. The "mountain" shaped protruding surface between the diaphragm and valve body is sealed to isolate from the outside (without a packing box), making it particularly suitable for environments that require corrosion resistance and high toxicity.
二、进口气动调节型隔膜阀产品特点
(1) 气动调节型隔膜阀采用轻型执行机构,高度及重量均可减小30%。
(2) 气动调节型隔膜阀阀体内表面有多种材料涂复层,避免介质直接接触,承受强阀腐蚀性介质的腐蚀。
(3) 气动调节型隔膜阀关闭时,内、外泄漏量为零,特别适合于剧毒介质或不允许污染介质的阀节。
(4) 气动调节型隔膜阀流路简单,阻力小,额定流量系数比同口径单座,套筒调节阀大。
(1) The pneumatic regulating diaphragm valve adopts a lightweight actuator, which can reduce height and weight by 30%.
(2) The inner surface of the pneumatic regulating diaphragm valve is coated with multiple materials to avoid direct contact with the medium and withstand the corrosion of strong corrosive media.
(3) When the pneumatic regulating diaphragm valve is closed, the internal and external leakage is zero, making it particularly suitable for valve sections with highly toxic or non polluting media.
(4) Pneumatic regulating diaphragm valve has a simple flow path, low resistance, and a larger rated flow coefficient than single seat, sleeve regulating valves of the same caliber.
三、进口气动调节型隔膜阀主要技术参数
公称通径(DN):15-250mm | 阀座直径(DN):20-300mm | |
流量系数(KV):8~1800 | 允许差压:1.0-0.09 | |
公称压力(MPA):1.6-6.4 | 额定行程(mm):10-100 | |
阀盖形式:标准型(-17-250℃) | 压盖形式:螺栓压紧式 | |
密封填料:V型聚四氟乙烯填料、含浸聚四氟乙烯石棉填料、石棉纺织填料、石墨填料 | 阀芯形式:隔膜式 | |
流量特性:快开特性 | 制造标准:VTON |
三、进口气动调节型隔膜阀执行器技术参数
配置执行器类别:多弹簧膜执行机构 | 有效面积(cm²):350-1400 | |
行程(mm):10-100 | 弹簧范围:20~100(标准)、20-60、60-100、40-200、80-240 | |
膜片材料:丁腈橡胶夹尼龙布、乙丙橡胶夹尼龙布 | 供气压力:140-400KPa | |
气源接口:RC1/4 | 环境温度:-30-70℃ | |
可配附件:定位器、空气过滤减压器、保卫阀、行程开关、传送器等 | 作用形式:气关式(B)—失气时阀位开(FO);气开式(K)—失气时阀位关(FC) |
四、进口气动调节型隔膜阀主要零件材料
阀体:HT200、ZG230~450或下述材质衬里 | 隔膜:丁荃胶、天然胶、聚四氟乙烯波纹 | |
薄膜:丁腈橡胶夹增强涤纶织物 | 弹簧:60S12Mn、阀体衬里材质及适用范围 |
五、进口气动调节型隔膜阀外形图
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