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Pneumatic Discharge Ash Ball Valve

manufacturer: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 0086 (021) 3652 8716
Mob: (0086) 138 1635 6498

product drawing

Pneumatic discharge ash ball valves
Pneumatic discharge ash ball valves

Product structural feature

This series of pneumatic ball valve controls the dusty, containing solid powder, particularly suitable for the systems of blast furnace pulverized coal injection, air pipes and spray gun pipes.
1、seat has automatic wear compensation device, is effective to ensure the valve sealing performance.
2、Sealing ring made of special materials with charactistics of high temperature resistance, wear-resistant and a long service life.
3、The valve has compact structure, flexible open and close, easy installation and maintenance.

Structure

Q647 spray powder coal special ball valve structural diagram
Q647 spray powder coal special ball valve structural diagram

The material of main parts

part name Materials
Body,bonnet WCB
ball,seat ICr18Ni9Ti+Hard chrome
Stem 2Cr13
Sealing ring Special wearing-resisting and high- temperature resistance tetraf-fluorine
Bolt Medium Carbon steel

Technical parameter table

Nominal pressure 1.6Mpa
Shell Test Pressure 2.4Mpa
High-Pressure Liquid Sealing 1.76Mpa
Low-Pressure gas Sealing 0.6Mpa
Applicable Temperature -28~300℃
Applicable Mediums Dusty gases,Powder coal,etc.
face to face dimensions according to GB1221-89
Flange Dimension according to GB9113、JB79-59
Test and Inspection according to JB/T9092-99
Driving manner Manual/Pneumatic

Main external and connection dimensions

Nominal pressure  PN(MPa) Nominal diameter DN(mm) Dimension(mm)
L W H
Manual Pneumatic Manual 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
Please refer to the sample book of expression of Main external and connection dimension for other connection dimensions.
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