• Pneumatic Wafer Type Soft Seal /Center Line Butterfly Valve
  • Pneumatic Wafer Type Soft Seal /Center Line Butterfly Valve

Pneumatic Wafer Type Soft Seal /Center Line Butterfly Valve

Media: Water/Gas/Oil
Driving Mode: Pneumatic/Manual
Connection Form: Wafer
Structure: Centre Sealing
Seal Form: Force Sealed
Valve Stem: Normal
Customization:

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Basic Info.

Model NO.
D641F
Work Pressure
Mid-Pressure (2.5mpa< Pn <6.4mpa)
Working Temperature
-40~+150ºC
Material of Seal Surface
Soft Sealed
Valve Body
Sheet Metal
Standard
GB; JIS; Anis
Application
Industrial Usage, Water Industrial Usage
Accessory
Solenoid Valve, Positioner, Limit Switch, Manual
Application Range
Water, Steam, Air, Oil and Food, etc.
Transport Package
Wooden Packing
Specification
DN50-1200mm
Trademark
ZT
Origin
China
HS Code
8481901000

Product Description

Pneumatic Wafer Type Soft Seal /Center Line Butterfly Valve
Summary:
Pneumatic soft seal butterfly valve is a kind of butterfly valve with good corrosion prevention and sealing performance. Generally it can be divided into flange or wafer connection, and can be used for containing corrosive media and leakage requirements of high atmospheric temperature and pressure occasions. Pneumatic soft seal butterfly valve with a sealing structure, sealing materials such as rubber, polytetrafluoroethylene. The leakage quantity can reach zero leakage. Because of  structure characteristics, the pneumatic sealing butterfly valve is not suitable for high temperature, high pressure and resistance to wear, and other industries. It is only suitable for mormal temperature and low pressure, medium pressure and other places to do the bad border open new and regulating flow using concerns.


Pneumatic Wafer Type Soft Seal /Center Line Butterfly Valve
Pneumatic Soft Seal /Center Line Butterfly Valve
Valve Pneumatic soft Seal /Center Line Butterfly Valve
Model ZTD641F
Size DN50-1200mm
Nominal Perssure PN10,PN16,PN25,PN40
Body Material Carbon steel (WCB)Stainless steel(CF8,CF83,CF3,CF3M)
Working Temperature -40~+450ºC
Accessory Solenoid valve, positioner, limit switch,
manual mechanism
Application range Water, steam, air, oil and food, etc.
Features It has good sealing performance, anti - aging, corrosion resistance, long service life.
 
Technical Parameters of Butterfly Valve
Nominal Diameter DN50-1200mm
Rated Air Leak PN10,PN16,PN25MPa
Connection Wafer Type
Sealing Type Soft Seal
Air Pressure 0.4-0.7MPa
Range of Action 0~90º
Body Material Carbon steel (WCB)Stainless steel(CF8,CF83,CF3,CF3M)
Disc Material Carbon steel (WCB)Stainless steel(CF8,CF83,CF3,CF3M)
Working Temperature Carbon steel:+29~+400ºC;Stainless steel:+40~+450ºC
Mode of Action Single action(spring return),Double Action(normal open&normal close)
Control Type Adjust type; On-off Type
 
 
The appearance and structure of butterfly valve:

Pneumatic Wafer Type Soft Seal /Center Line Butterfly Valve

Appearance Dimensions:
Nominal diameter Structure length
(standard value)
Overall dimensions
(reference value)
Connection size (standard value)
0.6MPa 1.0MPa 1.6MPa
mm inch L H H0 A B D0 n-d D0 n-d D0 n-d
50 2 43 63 315 180 65 110 4-14 125 4-18 125 4-18
65 21/2 46 70 330 180 65 130 4-14 145 4-18 145 4-18
80 3 46 83 390 245 72 150 4-18 160 8-18 160 8-18
100 4 52 105 431 240 72 170 4-18 180 8-18 180 8-18
125 5 56 115 455 240 72 200 8-18 210 8-18 210 8-18
150 6 56 137 626 350 93 225 8-18 240 8-22 240 8-22
200 8 60 164 720 350 93 280 8-18 295 8-22 295 12-22
250 10 68 206 800 550 350 335 12-18 350 12-22 355 12-26
300 12 78 230 860 600 350 395 12-22 400 12-22 410 12-26
350 14 78 248 883 600 350 445 12-22 460 16-22 470 16-26
400 16 102 289 972 600 350 495 16-22 515 16-26 525 16-30
450 18 114 320 1043 750 380 550 16-22 565 20-26 585 20-30
500 20 127 343 1098 750 380 600 20-22 620 20-26 650 20-33
600 24 154 413 1236 750 380 705 20-26 725 20-30 770 20-36
700 28 165 478 1431 750 380 810 24-26 840 24-30 840 24-36
800 32 190 525 1488 750 380 920 24-30 950 24-33 950 24-39
900 36 203 620 1615 1250 380 1020 24-30 1050 28-33 1050 28-39
1000 40 216 725 1765 1500 580 1120 28-30 1160 28-36 1170 28-42
1200 48 254 780 1976 1500 580 1340 32-33 1380 32-39 1390 32-48

Sealing Material Selection and Applicable Temperature:
Material CR NBR EPDM PTFE SI VITON NR PA
Model X/J XA/JA XB/JB F/XC,JC XD/JD XE/JE X1 N
Maximum temperature 82ºC 93ºC 150ºC 232ºC 250ºC 204ºC 85ºC 93ºC
Minimum temperature -40ºC -40ºC -40ºC -268ºC -70ºC -23ºC -20ºC -73ºC
Working temperature  0~+80ºC -20~+82ºC -40~+125ºC -30~+150ºC -70~+150ºC -23~+150ºC -20~+85ºC -30~+93ºC

Advantages:
1. The structure is simple, the flow resistance coefficient is small, the flow characteristics tend to be straight, and there is no debris retention .
2. The connection between disc and stem is pin free to avoid possible internal leakage points.
3. It can be divided into pneumatic clamping soft sealing butterfly valve and pneumatic flange soft sealing butterfly valve, to meet the needs of different pipelines.
4. The seals can be replaced, and sealing performance is reliable to achieve zero leakage of two-way sealing.
5, The material of seal aging resistance, and has corrosion resistance, long service life.


Company Introduction:   
Zhitai Valve Co., Ltd is a member of Valve Association of Longwan District, is located in Longwan Central Industrial Zone, Wenzhou City. It'a professional technology company integrated with development, manufacturing, sales, and after-sales services of valve actuators and and self-controlled valves. Presently, our main products include: pneumatic actuators, pneumatic valves and pneumatic control valves; electric actuators, electeic valves and eletric control valves; automatic control products. Our products are widely applied in natural gas, electricity, petroleum, chemical, metallurgical, construction, pharmacy, paper, printing and dying. Zhitai series actuators and valves are the best choice for automatic fluid control engineering and equipment manufacturing. We sincerely welcome customers from home and abrode to visit us for supervision, communication and cooperation. It's a great honor for us to cooperate with you.
Pneumatic Wafer Type Soft Seal /Center Line Butterfly Valve

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Manufacturer/Factory
Registered Capital
105000000 RMB
Management System Certification
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001