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Pneumatic fluorine butterfly valve

Products > Anticorrosive valve > Pneumatic fluorine butterfly valve

Pneumatic fluorine butterfly valve

Product Type: D641F
Nominal diameter: DN50 ~ 1000mm
Nominal pressure: PN0.6 ~ 1.6MPa
Body material: ductile cast steel, cast steel, stainless steel + F46
Applicable temperature: -30 ~ +70 ℃
Applicable medium: all kinds of strong corrosion media
design criteria: GB / T2238-1989
flange size: GB / T9113.1-2000; GB / T9115.1-2000 ; JB78
length of the structure: GB / T12221-1989
pressure test: GB / T13927-1992; JB / T9092-1999
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First, the pneumatic lining fluorine flange butterfly valve product overview

Pneumatic fluorine fluorine butterfly valve with a spherical sealing surface of PTFE-lined butterfly plate, pneumatic fluorine fluorine butterfly valve operation light, tight sealing performance, long service life; can be used for rapid cut off or regulate the flow of use. Pneumatic butterfly valve PTFE lining is required for reliable sealing and good regulation of the occasion. The valve body adopts the split type, and the seal at the two ends of the valve shaft is controlled by the fluorinated rubber on the rotating base surface between the valve disc and the valve seat; the valve shaft is not in contact with the fluid medium in the cavity. PTFE pneumatic butterfly valve is widely used in various types of industrial pipes in the liquid and gas (including steam) transport, the use of serious corrosive media, such as: sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, alkali, Wang Water and other media with strong corrosive. 
 
 Fluoride-lined butterfly valve with PTFE, FFC, F46 and Fluoroplastics lined butterfly valves with corrosion resistance, no leakage and long service life. Lined PTFE pneumatic butterfly valve for concentrated sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, aqua regia, a variety of organic acids, acid, oxidizing medium or high temperature olefin acid, high temperature concentrated acetic acid, acid and alkali alternating and a variety of organic solvents and other Strong corrosive media. 
 
 Pneumatic fluorine butterfly valve main features: 
 1, small and lightweight, easy disassembly and maintenance, and can be installed in any location. 
 2, the structure is simple, compact, 90 ° turn quickly open. 3 
 3, operating torque, light and labor-saving. 
 4, flow characteristics tend to be straight, good performance. 
 5, sealing material aging resistance, corrosion resistance, applicable to a variety of media.
 

Second, pneumatic lining fluorine butterfly valve main technical parameters

1, the valve body

Body formDirect casting butterfly valve
Nominal diameterDN50 ~ 1000mm
Nominal pressurePN1.0, 1.6 MPa
Flange standardJIS B220, JB / T79, ANSI B16.5-1981, GB / T9113, HG20594-97, HG20618-97, etc.
Connection TypeFlange, the folder-type
Cover formIntegrated
Gland typeGland compression
Sealed packingV-type PTFE filler, flexible graphite filler


 2, the valve parts

Valve plate formVertical plate (butterfly)
Flow characteristicsLinear


 3, the implementing agency

Actuator modelGT series, SR series, AT series, AW series of single-and double-acting pneumatic actuator
Supply pressure400 ~ 700KPa
Air source interfaceG1 / 4 ", G1 / 8", G3 / 8 ", G1 / 2"
Ambient temperature-30 ~ +70 ℃
The role of formSingle-acting actuator: Off Gas formula (B) - loss of gas when the valve opening (FO); open air (K) - loss of gas when the valve closed position (FC) 
       double acting actuator: Off Gas formula (B ) - Leakage valve position to maintain (FL); open air (K) - loss of valve position to maintain (FL)
Can be equipped with accessoriesPositioner, Solenoid valve, Air filter pressure reducer, Relief valve, Stroke switch, Valve position transmitter, Hand wheel mechanism, etc.


 Third, pneumatic lining fluorine butterfly valve main performance indicators

Nominal diameterDN (mm)50 ~ 1600
Nominal pressurePN (MPa)0.61.01.6
test pressureStrength test0.91.52.4
Seal test0.661.11.76
Gas seal test0.60.60.6
Suitable mediaVarious types of corrosive media


 Four, pneumatic lining fluorine butterfly valve shape connection size

Nominal diameter DN (mm)5065801001251502002503003504004505006007008009001000
L9090100115130140150250270290310330350390430470500550
L143464956647071768392102113127154165190203216
HFlanged637083105115137164206230248289320343413478525585640
Clip-on637083105115137164206230248289320343413478525585640
n-φd4-184-188-188-188-188-2212-2212-2612-2616-2616-3020-3020-3320-3624-3624-3928-3928-42
H1According to the allocation of implementing agencies may be
ADepending on the torque required by the valve, the configuration of different models, dimensions are not the same
D165185200220250285340405460520580640715840910102511251255
D112514516018021024029535541047052558565077084095010501170

Note: the size of the table without standard attachment data. The other due to product improvement technical innovation parameters may have some changes, please consult the company's technical department for the latest data.


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