久久精品国产中国久久,两根粗大在她腿间进进出出H

詳細資料Details：

產(chǎn)品特點：上明牌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列。 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。噴煤粉球閥,噴煤粉球閥,球閥。

Features: pneumatic jet on the winning numbers as a control valve coal dust, including powder, particularly suitable for blast furnace pulverized coal injection, air line and spray pipe series. 1, valve seat with automatic wear compensation device, effective to ensure that the valve sealing performance. 2, seals made of special materials, high temperature, wear-resistant, long life characteristics. 3, valve compact, flexible, open and close, easy installation and maintenance. Special ball valve spray pulverized coal, pulverized coal spray valve, special valve.

主要零件材質(zhì)Material of main parts：

零件名稱 Part Name	材質(zhì)Material
閥體、閥蓋 Body, Bonnet	WCB
球體、閥座 Ball, seat	1Cr18Ni9Ti+Hard chrome
閥桿Stem	2Cr13
密封圈 Ring	特種耐磨耐高溫四氟 Special wear-resistant high temperature PTFE
螺栓 Bolt	中碳鋼 Medium carbon steel

概述Outline：

公稱Nominal	1.6MPa
公稱通徑DN（mm）	2.4MPa
高壓液密封High-pressure fluid sealing	1.76MPa
低壓液密封Low-pressure fluid sealing	0.6MPa
適用溫度Temperature	-28-300℃
適用介質(zhì)Medium	含塵埃氣體、煤粉等 Dust-containing gas, coal, etc.
結(jié)構(gòu)長度按Structure Length	GB1221-89
法蘭尺寸Flange Size	GB9113、JB79-59
檢驗試驗Test	JB/T9092-99
驅(qū)動方式 Drive	手動、氣動Manual, pneumatic

主要尺寸Main dimensions：

公稱壓力PN（MPa）	公稱通徑DN（mm）	尺寸（mm）
		L	D		H
		L	手動 Manual	氣動Pneumatic	手動Manual	氣動Pneumatic
MQ647AF-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	367
	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》 Please refer to the sample size of the remaining connection "to connect the main shape and size of the table."