Your Professional 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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Ductile Iron Electric Flanged Butterfly ValveThe ductile iron electric flanged butterfly valve combines a high-strength ductile iron body with electric actuator and flanged connection, designed for industrial fluid control systems. The ISO 5211
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Wafer Style ValveThe ductile iron wafer type butterfly valve is made of high-strength ductile iron, offering excellent pressure resistance and corrosion resistance, making it suitable for various industrial
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Fire Safe Double Offset Butterfly ValveThe fire safe double offset butterfly valve is a quarter-turn valve engineered for high-performance pipeline isolation and flow control in oil and gas, refining, petrochemical, chemical, and process
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Stainless Steel Double Offset Flanged Butterfly ValveThe stainless steel double offset flanged butterfly valve (also known as a double eccentric butterfly valve) is a high-performance, quarter-turn valve engineered for reliable isolation and flow
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Soft Seated Double Offset Butterfly ValveThe soft seated double offset butterfly valve is a quarter-turn isolation valve designed for water treatment, wastewater, HVAC, industrial utilities, chemical processing, and marine applications
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API 609 High Performance Double Eccentric Butterfly ValveThe API 609 high performance double eccentric butterfly valve is a quarter-turn industrial valve designed for critical pipeline isolation and flow control. Featuring a double-offset shaft and disc
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Double Offset Lug Type Butterfly ValveThe double offset lug type butterfly Valve is a quarter-turn high-performance valve engineered for reliable pipeline isolation and precise flow control in demanding industrial systems. Its
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High Performance Double Offset Wafer Butterfly ValveThe high performance double offset wafer butterfly valve is a heavy-duty quarter-turn industrial valve engineered for precise process isolation and selected flow control duties. Built with a
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Cast Steel Wafer Butterfly ValveThe valve body is made of cast steel material, which can withstand a working pressure of 1.6MPa and is suitable for use in high-pressure and medium temperature scenarios such as chemical, printing
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Worm Gear Operated Flanged Butterfly ValveThis turbine butterfly valve has a white valve body, and its color design is not only for aesthetics, but also for practicality. In dense industrial pipelines, white valve bodies are more effective
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Electric Wafer Butterfly Valve - Motorized & ReliableThis electric butterfly valve is equipped with a multi turn electric actuator, which controls the opening and closing of the valve through multi turn rotation driven by a motor. Compared with
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Butterfly Valve With Pneumatic Actuator And PositionerOrdinary pneumatic butterfly valves rely on actuator pressure regulation, but this butterfly valve with YT-1000RDI locator is suitable for precise flow control scenarios through 4-20mA DC signal
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
Stainless Steel Wafer Butterfly Valve
| Size | 2”~40” |
| Pressure Rating | PN10, PN16, CL150, JIS 5K/10K |
| Material | SS304, SS316 |
| Design Standard | EN 593, MSS SP67, API 609, BS5155 |
| Inspection Standard | API 598, ISO 5208, EN 12266 |
| Application medium | Water, oil and gas |
Product Introduction
A stainless steel butterfly valve is a type of valve that is made of stainless steel and consists of a circular disc or vane that is mounted on a shaft. The disc can be rotated to control the flow of fluid or gas through the valve. The valve is called a butterfly valve because the shape of the disc resembles the wings of a butterfly.
Stainless steel butterfly valves are commonly used in industries such as food and beverage, pharmaceutical, and chemical processing, where high levels of hygiene and corrosion resistance are required. Stainless steel is an ideal material for these applications because it is resistant to corrosion and can withstand high temperatures and pressures.
Stainless steel butterfly valves can be operated manually, electrically, or pneumatically, depending on the application. They are known for their quick response times, low pressure drop, and ease of installation and maintenance, which makes them a popular choice for many industries.

|
Nominal diameter DN |
Size (mm) |
Weight (kg) |
||||||||||||||
|
A |
B |
C |
D |
L |
H |
D1 |
N-Ø |
K |
E |
n1-Ø1 |
Ø2 |
G |
D2-M |
|||
|
(MM) |
(Inch) |
D7A1/37A1/67A1/97A1X-1.0/1.6 |
||||||||||||||
|
50 |
2" |
161 |
80 |
42 |
52.9 |
32 |
84.84 |
120 |
4-23 |
77 |
57.15 |
4-6.7 |
12.6 |
118 |
- |
2.5 |
|
65 |
2.5" |
175 |
89 |
44.7 |
64.5 |
32 |
96.2 |
136.2 |
4-26.5 |
77 |
57.15 |
4-6.7 |
12.6 |
137 |
- |
3.2 |
|
80 |
3" |
181 |
95 |
45.2 |
78.8 |
32 |
61.23 |
160 |
8-18 |
77 |
57.15 |
4-6.7 |
12.6 |
143 |
- |
3.6 |
|
100 |
4" |
200 |
114 |
52.1 |
104 |
32 |
70.8 |
185 |
4-24.5 |
92 |
69.85 |
4-10.3 |
15.77 |
156 |
- |
4.9 |
|
125 |
5" |
213 |
127 |
54.4 |
123.3 |
32 |
82.28 |
215 |
4-23 |
92 |
69.85 |
4-10.3 |
18.92 |
190 |
- |
7 |
|
150 |
6" |
226 |
139 |
55.8 |
155.6 |
32 |
91.08 |
238 |
4-25 |
92 |
69.85 |
4-10.3 |
18.92 |
212 |
- |
7.8 |
|
200 |
8" |
260 |
175 |
60.6 |
202.5 |
45 |
112.89/76.35 |
295 |
4-25/4-23 |
115 |
88.9 |
4-14.3 |
22.1 |
268 |
- |
13.2 |
|
250 |
10" |
292 |
203 |
65.6 |
250.5 |
45 |
92.4 |
357 |
4-29 |
115 |
88.9 |
4-14.3 |
28.45 |
325 |
- |
19.2 |
|
300 |
12" |
337 |
242 |
76.9 |
301.6 |
45 |
105.34 |
407 |
4-29 |
140 |
107.95 |
4-14.3 |
31.6 |
403 |
- |
32.5 |
|
350 |
14" |
368 |
267 |
76.5 |
333.3 |
45 |
91.11 |
467 |
4-30 |
140 |
107.95 |
4-14.3 |
31.6 |
436 |
- |
41.3 |
|
400 |
16" |
400 |
309 |
86.5 |
389.6 |
51.2/72 |
100.47/102.42 |
515/525 |
4-26/4-30 |
197 |
158.75 |
4-20.6 |
33.15 |
488 |
- |
61 |
|
450 |
18" |
422 |
328 |
105.6 |
440.51 |
51.2/72 |
88.39/91.51 |
565/585 |
4-26/4-30 |
197 |
158.75 |
4-20.6 |
38 |
539 |
- |
79 |
|
500 |
20" |
480 |
361 |
131.8 |
491.6 |
64.2/82 |
96.99/101.68 |
620/650 |
4-26/4-33 |
197 |
158.75 |
4-20.6 |
41.15 |
539 |
- |
128 |
|
600 |
24" |
562 |
459 |
152 |
592.5 |
70.2/82 |
113.42/120.46 |
725/770 |
4-30/4-36 |
276 |
215.9 |
4-22.2 |
50.65 |
816 |
- |
188 |
|
700 |
28" |
624 |
520 |
163 |
695 |
66/82 |
109.65 |
840 |
20-30/24-36 |
300 |
254 |
8-18.0 |
55/63.35 |
895 |
4-M33 |
284 |
|
800 |
32" |
672 |
591 |
188 |
794.7 |
66/82 |
124 |
950 |
24-33/24-39 |
300 |
254 |
8-18.0 |
55/63.35 |
1015 |
- |
368 |
|
900 |
36" |
720 |
656 |
203 |
864.7 |
118 |
117.57 |
1050 |
28-33 |
300 |
254 |
8-18.0 |
75 |
1115 |
4-M30 |
713 |
|
1000 |
40" |
800 |
721 |
216 |
965 |
142 |
129.89 |
1160 |
28-36 |
300 |
254 |
8-18.0 |
85 |
1230 |
4-M33 |
864 |
|
1200 |
48" |
900 |
780 |
254 |
1020 |
180 |
141.33 |
1340 |
32-39 |
300 |
254 |
8-18.0 |
95 |
1450 |
4-M36 |
1130 |
Basic Information
|
Model NO. |
D71X / D371X / D671X / D971X |
Connection Form |
Wafer |
|
Structure |
Centre Sealing |
Seal Form |
Force Sealed |
|
Valve Stem |
Normal |
Work Pressure |
0.6MPa / 1.0MPa / 1.6MPa / 2.5MPa / Class150 |
|
Working Temperature |
Normal Temperature (-40°C < T < 120°C) |
Material of Seal Surface |
Soft Sealed / Hard Sealed |
|
Valve Body |
Casting |
Standard |
API 609 |
|
Application |
Industrial Usage, Water Industrial Usage, Household Usage |
Seated Material |
EPDM, NBR, PTFE, FKM |
|
Certification |
ISO9001 |
Flow Resistance |
Low Resistance |
|
Transport Package |
Export Wooden Crate |
Specification |
DN25 - DN1600 |
|
Origin |
China |
HS Code |
8481804090 |
|
Production Capacity |
50,000 pieces/Year |
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 |
|
Advantages of stainless steel butterfly valve!
Corrosion resistance
Stainless steel is highly resistant to corrosion, making it ideal for use in harsh environments where other materials may corrode or degrade.
Hygiene
Stainless steel is easy to clean and sanitize, making it suitable for applications in the food and beverage, pharmaceutical, and other industries where
Durability
Stainless steel is a strong and durable material that can withstand high temperatures and pressures, making it suitable for use in a wide range applications.
Quick response time
Butterfly valves can be operated very quickly, which makes them suitable for applications where rapid response is required.
Easy to install and maintain
Butterfly valves are relatively easy to install and maintain, which can help to reduce downtime and maintenance costs.
Versatility
Stainless steel butterfly valves are available in a range of sizes and can be used for a variety of applications, from small-scale residential plumbing to
A stainless butterfly valve has four key parts
Disc
The part that spins to control flow.
Body
The outer shell holding all the parts together. Epoxy Coated
Stem
The rod that connects the disc to the actuator.
Seat
The part that seals the valve to stop leaks.
● Stainless steel wafer butterfly valves are suitable for various corrosive chemical media such as acids, alkalis, and salts. They offer excellent corrosion resistance.
● They are also ideal for applications with high hygiene requirements, such as in the pharmaceutical, food, and other related industries.
● Butterfly valves are especially suitable for pipelines transporting slurry or mud, with minimal liquid accumulation at the pipe mouth. They offer good sealing and flow control performance even at low pressure.
● These valves feature a simple structure, compact size, short face-to-face length, small volume, and light weight, making them well-suited for large-diameter designs.
● Suitable for installation in pipelines with limited space, they also offer low operating torque, making them labor-saving and easy to operate.

Wafer Type Butterfly Valves Application
Feedwater
1
>>
Chemical feed and extraction drain systems
2
>>
Turbine seals and drains
3
>>
Boiler vents and drains
4
>>
Main steam vents and drains
5
>>
Turbine lube oil system and others
6
FAQ
We're well-known as one of the leading butterfly valve manufacturers and suppliers in China. Please feel free to buy high quality butterfly valve at competitive price from our factory. For more information, contact us now.

