Your Professional Ventilation Butterfly Valve Supplier
TIANJIN XTD VALVE CO., LTD. is a professional manufacturer of various valves, including butterfly valves, gate valves, filters, ball valves, globe valves, and more.
Unlike ordinary valve manufacturers, XTD VALVE owns its own rubber factory and valve stem processing facility, allowing for greater control over quality and production efficiency.
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Pneumatic Ventilation Butterfly ValveThe Ventilation Butterfly Valve is designed for air, flue gas, and other low-pressure gaseous media. Featuring a carbon steel/aluminum body, galvanized steel disc, and silicone seal, it controls flow
Why choose us
Our Certificates
Our products have passed ISO 9001 certification. We have also been recognized as a high-tech enterprise, received an AAA credit rating certificate, and hold multiple patents.
Production & Market
Since its establishment, TIANJIN XTD VALVE CO., LTD. has gained strong domestic sales due to its excellent quality and solid reputation.While maintaining a firm foothold in the domestic market, the company actively explores international markets by participating in global exhibitions, showcasing product advantages, and establishing relationships with customers worldwide. Our products are exported to multiple countries and regions, including Indonesia and other international destinations.
Our Services
From CAD drawings to delivery – We provide seamless service:
● 1-on-1 Engineering Support with over 30 years of expertise
● 15-Day Fast Delivery for standard valves
● Custom Solutions at no additional cost
Ventilation Butterfly Valve
A Ventilation Butterfly Valve is a type of butterfly valve specifically designed for controlling airflow in ventilation systems. These valves are used to regulate and isolate the flow of air in heating, ventilation, and air conditioning (HVAC) systems, as well as in industrial ventilation applications.
Size range
2in to 80in (DN50 to DN2000)
Pressure range
PN0.5bar to PN6bar
Working temperature range
-5℃ to +80℃
Operation method
Worm gear type

|
Type |
DN |
D |
D1 |
B |
b |
H1 |
N-Ød |
AD941H/W-1 AD371H/W-1 |
AD37/41H/W-1 |
AD7/41H/W-1 |
||||||
|
H |
L1 |
L2 |
Electric device |
Kg |
H |
Kg |
H |
Kg |
||||||||
|
AD9(3)71H-1 |
100 |
205 |
170 |
40 |
12 |
110 |
6-Ø11 |
577 |
270 |
210 |
WQ10-1 |
45 |
450 |
25 |
350 |
12 |
|
150 |
260 |
225 |
135 |
630 |
47 |
505 |
26 |
405 |
15 |
|||||||
|
200 |
295 |
260 |
160 |
685 |
WQZ0-1 |
64 |
527 |
35 |
427 |
19 |
||||||
|
250 |
335 |
300 |
190 |
740 |
71 |
587 |
42 |
487 |
31 |
|||||||
|
300 |
375 |
340 |
215 |
805 |
95 |
687 |
59 |
587 |
50 |
|||||||
|
350 |
440 |
400 |
70 |
14 |
240 |
12-Ø11 |
870 |
Q60-1 |
108 |
743 |
80 |
643 |
62 |
|||
|
400 |
490 |
455 |
295 |
935 |
123 |
807 |
95 |
707 |
75 |
|||||||
|
450 |
550 |
510 |
450 |
1390 |
145 |
848 |
115 |
748 |
89 |
|||||||
|
500 |
605 |
565 |
510 |
1450 |
169 |
1005 |
125 |
905 |
98 |
|||||||
|
AD9(3)41H-1 |
600 |
712 |
668 |
100 |
16 |
620 |
16-Ø16 |
1590 |
280 |
519 |
Q90-1 |
212 |
1177 |
180 |
977 |
115 |
|
700 |
812 |
768 |
675 |
1700 |
246 |
1315 |
220 |
1215 |
130 |
|||||||
|
800 |
926 |
878 |
120 |
18 |
730 |
20-Ø18 |
1890 |
440 |
Q120-1 |
300 |
1438 |
270 |
1338 |
162 |
||
|
900 |
1026 |
978 |
790 |
1990 |
325 |
1538 |
300 |
|||||||||
|
1000 |
1126 |
1078 |
150 |
20 |
850 |
2150 |
490 |
1638 |
420 |
|||||||
|
1100 |
1226 |
1178 |
950 |
26-Ø20 |
2380 |
575 |
1738 |
500 |
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|
1200 |
1330 |
1270 |
1050 |
2580 |
Q180-1 |
680 |
1933 |
635 |
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|
1400 |
1520 |
1470 |
1150 |
2780 |
850 |
2123 |
812 |
|||||||||
|
1600 |
1720 |
1670 |
200 |
1205 |
2910 |
1005 |
2323 |
952 |
||||||||
|
1800 |
1920 |
1870 |
1305 |
3110 |
QZ50-1 |
1520 |
2523 |
1270 |
||||||||
|
2000 |
2140 |
2080 |
250 |
22 |
1435 |
26-Ø22 |
3370 |
1990 |
2743 |
1740 |
||||||
|
2200 |
2340 |
2280 |
1535 |
5770 |
569 |
Q500-1 |
2200 |
2943 |
1950 |
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|
2400 |
2540 |
2480 |
1635 |
3770 |
2450 |
3143 |
2200 |
|||||||||
|
2600 |
2740 |
2680 |
24 |
1735 |
26-Ø24 |
3970 |
2760 |
3343 |
2510 |
|||||||
|
2800 |
2940 |
2880 |
1835 |
4170 |
2980 |
3543 |
2730 |
|||||||||
|
3000 |
3140 |
2980 |
1935 |
4370 |
3310 |
3743 |
3005 |
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Technical Parameters
|
Size |
DN32-DN600 |
DN650-DN2000 |
|
Working pressure |
16Bar |
10Bar |
|
Shell |
24Bar |
15Bar |
|
Seal |
18Bar |
11Bar |
|
Operating Temperature |
-45°C~+150°C |
|
|
Operating Environment |
Ballast and bilge system Chemical processing Desalination plants |
|
|
Driving Method |
Hand Lever Worm Gear Electric Pneumatic |
|
Executive Standards
|
Design Standard |
EN 593, MSS SP67, API 609, BS 5155 |
|
Inspection & Test |
API 598, ISO 5208, EN 12266 |
|
End Standard |
ANSI B16.1 CL. 125LB & B16.5 CL. 150LB |
|
AS 2129 Table D & E |
|
|
BS 10 Table D & E |
|
|
DIN 2501 (PN6, PN10, PN16) |
|
|
EN 1092 (PN6, PN10, PN16) |
|
|
ISO 2531 (PN6, PN10, PN16), 7005 (PN6, PN10, PN16) |
|
|
KS B / JIS B 1511 / 2210 (5K & 10K) |
|
|
MSS SP44 CL. 150LB |
|
|
AWWA C207 |
|
|
SABS 1123 Table 1000/3 & Table 1600/3 |
|
|
Face to Face |
ISO 5752, EN 558, MSS SP67, API 609, DIN 3202 |
|
Top Flange |
ISO 5211 |
Quick Operation: Butterfly valves can be opened or closed quickly, often using a lever or actuator, allowing efficient flow control. This is particularly beneficial in industries like HVAC systems, fire protection systems, and chemical processing, where rapid flow adjustments are essential.
Low-Pressure Drop: The streamlined disc design ensures minimal resistance to flow, reducing pressure drop across the valve.
Compact and Lightweight: Butterfly valves are smaller and lighter compared to other types of valves, making them easy to install and maintain.
Versatile Connection Options: Available in wafer, lug, flanged, double flanged, and grooved connections to accommodate a wide range of piping configurations.
Resilient or Metal Seat Options: Offers both soft seats (e.g., EPDM, PTFE) for low-pressure applications and metal seats for higher temperatures and pressures.
Can be operated manually using a lever or automated with electric, pneumatic, or hydraulic actuators.

Application Of Ventilation Butterfly Valve
The ventilation butterfly valve is a kind of non airtight butterfly valve. Which is widely use in the production process of building materials, metallurgy, mining, electric power, etc. The medium temperature is ≤ 300 ℃ and the nominal pressure is 0.1MPa. It is use to connect, open and close or adjust the medium quality.

Industries
Water Treatment Plants
Used in water distribution and control systems for potable and wastewater treatment.
Oil & Gas Industry
Suitable for regulating the flow of crude oil, natural gas, and refined products.
Chemical Industry
Ideal for controlling the flow of chemicals, acids, and other aggressive fluids.
HVAC Systems
Commonly used in heating, ventilation, and air conditioning systems for regulating air or water flow.
Food & Beverage Industry
Suitable for sanitary and non-sanitary applications that require frequent operation and cleaning, thanks to corrosion-resistant materials and ease of cleaning.
Specific Applications
Cooling Water Systems
Controls the flow of water for cooling applications in industrial facilities.
Fire Protection Systems
Used in fire sprinkler systems as control valves to regulate water supply.
Process Pipelines
Ideal for modulating or isolating flow in pipelines carrying oil, gas, or chemicals.
Air Flow Regulation
Used in HVAC systems to regulate air flow, ensuring efficient operation of heating and cooling units.
Installation Instructions
Verify the valve size, pressure rating, and material compatibility with the pipeline and medium before installation.
Ensure proper alignment of the butterfly valve in the pipeline to avoid seat or disc damage.
Use appropriate flange gaskets and follow standard torque tightening procedures for flanged connections.
For wafer or lug connections, ensure correct bolt alignment to avoid stress on the valve body.
Test the valve for proper operation to ensure the disc moves freely without obstruction. If the disc does not move freely, check for proper alignment and inspect for debris that may be causing the obstruction. If issues persist, further troubleshoot by adjusting alignment or cleaning the valve thoroughly to remove any contaminants.
FAQ
We're well-known as one of the leading ventilation butterfly valve manufacturers and suppliers in China. Please feel free to buy high quality ventilation butterfly valve at competitive price from our factory. For more information, contact us now.
Pneumatic Ventilation Butterfly Valve, ventilation butterfly valve
