產(chǎn)品結(jié)構(gòu)特點

本系列Q647MF-16C/25氣動噴煤粉球閥是作為控制含塵、含固體粉末，特別適用于高爐煤粉噴吹、空氣管路及噴槍管路等系統(tǒng)。
1、閥座帶有磨損自動補償裝置，有效確保閥門的密封性能。
2、特殊材料制成的密封圈，具有耐高溫、耐磨損、使用壽命長的特點。
3、閥門結(jié)構(gòu)緊湊、啟閉靈活、安裝維修方便。

Construction Features

The Air operated ball valve series are designed for controllingthe powders containing dusts or solid bodies, especially for thosefields or systems as coal-powder injection in high-furnace, airflowlines, lance lines, etc.
1.Wear-auto-compensation equipment is applied with the valveseat to effectively ensure the sealing performance of the valve.
2.The seal ring made from exotic materials features such spe-c ialties as high-temperature resistance,abrasion-resistance, longservice-life, etc.
3.The valve bears those characteristics like compact structure,flexible on-off, and convenient method for installation and mainte-nance.
 

主要零件材質(zhì) Main Parts and Materials

零件名稱 Accessory name	材質(zhì) Materials
閥體、閥蓋 Body,bonnet	WCB
球體、閥座 Globe Body,seat	1Cr18Ni9Ti+硬鉻 ICr18Ni9Ti+Hard chrome
閥桿 Stem	2Cr13
密封圈 Sealing ring	特種耐磨耐高溫四氟 Special wearing-resisting and high- temperature resistance tetraf luorine
螺栓 Bolt	中碳鋼 Medium Carbon sl

主要外型及連接尺寸表Form of Main Types and Connecting Dimension

公稱壓力 Nominal pressure	1.6Mpa
殼體試驗壓力 Shell Test Pressure	2.4Mpa
高壓液密封 High-Pressure Liquid Sealing	1.76Mpa
低壓氣密封 Low-Pressure Hermetic Sealing	0.6Mpa
適用溫度 Applicable Temperature	-28~300℃
適用介質(zhì) Applicable Mediums	含塵氣體、煤粉等 Dusty gases,Powder coal,etc.
結(jié)構(gòu)長度按 Structural length follows	GB1221-89
法蘭尺寸按 Flange Dimension follows	GB9113、JB79-59
檢驗試驗按 Test and Inspection follows	JB/T9092-99
驅(qū)動方式 Driving manner	手動、氣動 Manual/Pneumatic

 

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