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偏心半球阀

型号:

发布日期:11-20

产品详情

技术指标

Technical indicators

压力等级 Pressure class

PN 10/16/20/25/40/50 Class 150/300

口径

Caliber

对夹式 Wafer type: DN25-250 /1~10B                                          

法兰式 Flange type: DN25-400 / 1 ~16-


性能特点:

偏心半球阀是一种新型阀门,是为了解决溶液及矿浆等两 相流介质输送的技术难题以及全固物类管线,而研制开发 的新型产品。它的开发成功,为石油、化工、冶金、电力、 燃气等工业部门的溶液工艺流程中,易沉淀结垢、结晶析 出而影响流程,提供了可靠的控制阀门。本产品具有结构 新颖、性能稳定、开启迅速、耐磨性强、密封可靠、易于 调整维修及直通式结构流通快等特点;较闸阀、截止阀与 蝶阀等阀门流阻小、系统降压小、能自行破除结垢、方便 启闭及无"死区等优点;克服了普通球阀易堵塞等弊端,

显示其独特的优越性。

 

Eccentric segmental ball valves is a new type valve applied to solve technical problems during the transmission of mediums like duplex solvent and sludge, and the pipelines for all solids。 This valve offer one control valve for the industries easily subsided, fouled and crystallized like petroleum, chemicals, metallurgy, power supply, gas, the product has the merits of novel structure, stable performance, prompt switching, strong friction resistance, reliable sealing, easy adjustment, maintenance, quick delivery, besides, small flow resistance, low system reduction, eliminating fouls by itself, easy switching and no dead area compared with gate valve, stop valve and butterfly valve, the distinguished excellence is shown out by solving the


产品介绍:


偏心半球阀非常适用于浆料及全固物类的管线,如喷 煤粉类、卸灰类、泥浆类等管线。故可称为喷煤粉球 阀或卸灰球阀。

 

The eccentric segmental ball valves is very suitable for the piping of sludge and all solids, like pulverized coals, ashes and mud sludge. Therefore, it can also be called as coal- pulverized or ash-discharging ball valve.


 

固定半球结构,在全关闭或全开启状态下没有所谓普 通球阀的副腔,所以不会出现堵死现象。

 

Fixed semi structure has no auxiliary cavity of common ball valve under full close and full open, therefore,no blockage will be occurred.


 

中小口径整体式构造,大口径二片式构造,构件结构 坚固,可消除管道系统压力效应及连接处渗漏的危险。 装有轴承使其操作扭矩小,保证了阀门在苛刻工况下 工作过程无故障

 

 

Middle and small-diameter integrated construction, big- diameter piece construction, the construction has solid structure which can eliminate the pressure effect of pipeline system and the leakage danger of joint. The bearings installed make the operating torque smaller, thus there is no failure occurred during the bad operation of valve.


典型结构图

 

 

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阀体

螺钉

压板

阀座

密封垫

球体

固定轴

密封垫

底盖

螺钉

阀杆

填科函

填料

密封垫

填科压盖

螺钉

支架

螺柱

螺母

连接套

螺柱

螺母

涡轮

主要材料及适用工况

主要零件材料

阀体

WBCB

CF8

ZG1Cr18Ni9Ti

CF3

CF8M

ZG1Cr18Ni12Mo2Ti

CF3M

球体

CF8

CF8

ZG1Cr18Ni9Ti

CF3

CF8M

ZG1Cr18Ni12Mo2Ti

CF3M

阀杆

2Cr13

304\17-4PH

1Cr18Ni9Ti

304L

316

1Cr18Ni12Mo2Ti

316L

阀座

2Cr13

304

1Cr18Ni9Ti

304L

316

1Cr18Ni12Mo2Ti

316L

密封面

聚四氟乙烯、硬质合金、橡胶

适用介质

适用介质

非腐蚀性介质或弱腐蚀性介质

硝酸类腐蚀性介质

强氧化性介质

醋酸类腐蚀性介质

尿素类腐蚀性介质

温度范围

-196~400


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