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Pneumatic fixed ball valve
Model: Q647F
Nominal diameter: DN50 ~ 500mm
Nominal pressure: PN1.6 ~ 4.0 MPa
Applicable temperature: -29 ~ 425 ℃
Body material: WCB, WC6, WC9, LCB, CF8, CF3, CF8M, CF3M
Applicable medium: water, steam, oil, part of the acid, base
design basis: GB standard
design criteria: GB / 12237
flange connection: GB / 1221
sIZES: GB / 9113, JB / T79
test and inspection: JB / T9002

First, the pneumatic fixed ball valve Overview
 Q647 pneumatic fixed ball valve in the oil, gas, coal and ore mining, refining processing and pipeline transportation system; in chemical products, pharmaceuticals and food production species; in hydropower, thermal power and nuclear power generation system ; It is widely used in irrigation and drainage systems of agricultural fields and in irrigation and drainage systems of urban areas and industrial enterprises; and is widely used in the production system of gold control, which is closely related to production and construction, national defense construction and people's livelihood Important mechanical products. Ball valve closed in a variety of piping systems used to cut off or connect the media flow, the media in accordance with the predetermined procedure delivered to the various designated points.
 

Second, the main parts fixed pneumatic valve material

Body Valve stem Valve ball Sealing surface Gasket filler Operating temperature Suitable media
WCB 1Cr13 1Cr13 1Cr13 Stellite 
alloy 
body material 		Flexible graphite 
stainless steel plus
flexible graphite 
08 mild steel 
F304 F316 		Flexible
graphite 
braided
graphite 		-29-425 ° C Water, steam, oil
WC6 15CrMo 15CrMo -29-425 ° C
WC9 25Cr2MoV 25Cr2MoV
LCB 304 304 -46-354 ° C
CF8 304 304 -196-600 ° C Some acid, alkali
CF3 304L 304L
CF8M 316 316
316L 316L


 Third, the main aerodynamic fixed ball valve dimensions

DN (mm) Size (mm) Actuator model
1.6MPa 2.5MPa 4.0MPa
L D D1 z-φd L D D1 z-φd L D D1 z-φd
50 203 160 125 4-18 216 160 125 4-18 216 160 125 4-18 Optional the DA /
the SR, QGSY,
SY-CH, of GTD /
the GTE AW / the
AWS, SY-D, series
actuator (optional
above for
reference
having thereof
selection with
root according to
the actual
requirement)
65 222 180 146 4-18 241 180 145 8-18 241 180 145 8-18
80 241 195 160 8-18 283 195 160 8-18 283 195 160 8-18
100 305 215 180 8-18 305 230 190 8-23 305 230 190 8-23
125 356 245 210 8-18 381 270 220 8-25 381 270 220 8-25
150 394 280 240 8-23 403 300 250 8-25 403 300 250 8-25
200 457 335 295 12-23 502 360 310 12-25 502 375 320 12-30
250 533 405 355 12-25 586 425 370 12-30
300 610 460 410 12-25 648 485 430 16-30
350 686 520 470 16-25 762 550 490 16-34
400 762 580 525 16-30 838 610 550 16-34
450 864 640 585 20-30 914 660 600 20-34
500 914 705 650 20-34 991 730 660 20-41


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