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D641F Pneumatic Fluorine Lined Butterfly Valve

Product overview

Product model: 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 corrosive medium
Design standard: GB/T2238-1989
Flange connection size: GB/T9113.1-2000;GB/T9115.1-2000;JB78
Structure length: GB/T12221-1989
Pressure test: GB/T13927-1992;JB/T9092-1999

D641F Pneumatic Fluorine Lined Butterfly Valve product details

D641F Pneumatic Fluorine Lined Butterfly Valve product overview

D641F Pneumatic Fluorine Lined Butterfly Valve produced and sold by Baigang valve group 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. 
 
D641F Pneumatic Fluorine Lined 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.


D641F Pneumatic Fluorine Lined Butterfly Valve main technical parameters

1, the valve body

Body form Direct casting butterfly valve
Nominal diameter DN50 ~ 1000mm
Nominal pressure PN1.0, 1.6 MPa
Flange standard JIS B220, JB / T79, ANSI B16.5-1981, GB / T9113, HG20594-97, HG20618-97, etc.
Connection Type Flange, the folder-type
Cover form Integrated
Gland type Gland compression
Sealed packing V-type PTFE filler, flexible graphite filler


 2, the valve parts

Valve plate form Vertical plate (butterfly)
Flow characteristics Linear


 3, the implementing agency

Actuator model GT series, SR series, AT series, AW series of single-and double-acting pneumatic actuator
Supply pressure 400 ~ 700KPa
Air source interface G1 / 4 ", G1 / 8", G3 / 8 ", G1 / 2"
Ambient temperature -30 ~ +70 ℃
The role of form Single-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 accessories Positioner, Solenoid valve, Air filter pressure reducer, Relief valve, Stroke switch, Valve position transmitter, Hand wheel mechanism, etc.


D641F Pneumatic Fluorine Lined Butterfly Valve main performance indicators

Nominal diameter DN (mm) 50 ~ 1600
Nominal pressure PN (MPa) 0.6 1.0 1.6
test pressure Strength test 0.9 1.5 2.4
Seal test 0.66 1.1 1.76
Gas seal test 0.6 0.6 0.6
Suitable media Various types of corrosive media


D641F Pneumatic Fluorine Lined Butterfly Valve shape connection size

Nominal diameter DN (mm) 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1000
L 90 90 100 115 130 140 150 250 270 290 310 330 350 390 430 470 500 550
L1 43 46 49 56 64 70 71 76 83 92 102 113 127 154 165 190 203 216
H Flanged 63 70 83 105 115 137 164 206 230 248 289 320 343 413 478 525 585 640
Clip-on 63 70 83 105 115 137 164 206 230 248 289 320 343 413 478 525 585 640
n-φd 4-18 4-18 8-18 8-18 8-18 8-22 12-22 12-26 12-26 16-26 16-30 20-30 20-33 20-36 24-36 24-39 28-39 28-42
H1 According to the allocation of implementing agencies may be
A Depending on the torque required by the valve, the configuration of different models, dimensions are not the same
D 165 185 200 220 250 285 340 405 460 520 580 640 715 840 910 1025 1125 1255
D1 125 145 160 180 210 240 295 355 410 470 525 585 650 770 840 950 1050 1170

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.



Reminder:

All text, data and pictures in this article are for reference only.To see more details of the D641F Pneumatic Fluorine Lined Butterfly Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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