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Pneumatic Fixed Ball Valve

Product Type: Q647
Nominal Diameter: DN50-500mm
Nominal Pressure: 1.6MPa-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, Alkali
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One, Pneumatic Fixed Ball Valve Overview

Q647 pneumatic fixed ball valve in the oil, gas, coal and ore mining, refining and pipeline transportation system; in the chemical products, pharmaceutical and food production; in hydropower, thermal power and nuclear power production system; in urban and industrial enterprises In the irrigation and drainage system; in the metallurgical production system to be widely used, is a production and construction, national defense construction and people's lives are closely related to the important mechanical products. Ball valves are sealed in various types of piping systems for truncating or turning on the flow of media, allowing the media to be delivered to the specified points according to a predetermined procedure.


Second, Pneumatic Fixed Ball Valve Main Parts Materials

BodyStemBall ValveSealing SurfaceGasketFillerOperating TemperatureApplicable Media
WCB1Cr131Cr131Cr13 
Division Tai Li alloy 
body Material
Flexible Graphite 
Stainless Steel Plus Flexible Graphite 
08 Soft Steel 
F304 F316
Flexible Graphite 
Concatenated Graphite
-29-425 ° CWater, Steam, Oil
WC615CrMo15CrMo-29-425 ° C
WC925Cr2MoV25Cr2MoV
LCB304304-46-354 ° C
CF8304304-196-600 ° CPart of the acid, Alkali
CF3304L304L
CF8M316316

316L316L


Third, Pneumatic Fixed Ball Valve Main Dimensions
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Nominal Diameter 
DN (mm)
Size (mm)Actuator Type
1.6MPa2.5MPa4.0MPa
LDD1z-φdLDD1z-φdLDD1z-φd
502031601254-182161601254-182161601254-18Optional 
the DA / the SR, 
QGSY, 
SY-CH, of GTD / the GTE 
AW / the AWS, 
SY-YD, 
series actuator 
(optional above 
for reference having 
thereof selection with root 
according to the actual requirement)
652221801464-182411801458-182411801458-18
802411951608-182831951608-182831951608-18
1003052151808-183052301908-233052301908-23
1253562452108-183812702208-253812702208-25
1503942802408-234033002508-254033002508-25
20045733529512-2350236031012-2550237532012-30
25053340535512-2558642537012-30



30061046041012-2564848543016-30



35068652047016-2576255049016-34



40076258052516-3083861055016-34



45086464058520-3091466060020-34



50091470565020-3499173066020-41