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產(chǎn)品結構特點

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、閥門結構緊湊、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.
結構長度按 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
驅動方式 Driving manner	手動、氣動 Manual/Pneumatic

公稱壓力 PN（MPa） Nominal pressure	公稱通徑 DN（mm） Nominal diameter	尺寸 Dimension（mm）
		L	W		H
		L	手動 Manual	氣動 Pneumatic	手動 Manual	氣動 Pneumatic
1.6	25	180	140	235	90	298
	32	200	155	235	107	304
	40	220	250	330	127	370
	50	220	250	330	140	376
	65	241	350	400	164	425
	80	283	350	510	177	484
	100	305	420	510	206	531
	125	356	700	580	292	570
	150	394	1000	720	320	570
	200	457		720		610
	250	533		900		670
	300	610		1050		740
	350	686		1290		790
	400	762		1600		905
其余連接尺寸請參閱樣本《主要外型與連接尺寸表達式》 Please refer to the sample book of Form of Main Types and Connecting Dimension for other connection dimensions

氣動噴煤粉球閥

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