The butterfly valve is made of high-quality steel plate welding, featuring a simple structure, lightweight design, and convenient maintenance. It is non-sealing and used for regulating medium flow, widely applied in industries such as metallurgy, cement, chemical, power generation for ventilation, dust removal, environmental protection, and HVAC systems.
Main Technical Parameters |
Value |
Nominal Diameter |
50mm-3000mm |
Nominal Pressure |
0.1 MPa |
Applicable Temperature |
≤ 300ºC |
Applicable Medium |
Air, coal gas, flue gas |
Adopted Standards |
Standard Code |
Manufacturing Standard |
JB/T8692 |
Flange Connection Size |
HG/T02592 |
Structural Length |
GB/T12221 |
Inspection Standard |
GB/T26480 |
Main Parts and Materials
Component Name |
Material |
Valve Body |
Q235-A |
Disc |
Q235-A |
Stem |
Stainless Steel |
Packing |
Flexible Graphite |
Five-layer corrugated carton & Fumigation-free export plywood boxes


Thoughtful Customer Service
In addition to excellent products, One-Valve Time is also praised for its thoughtful service.
Our professional sales team is always ready to provide consultation and advice,
offering customized solutions based on your needs.
Our after-sales team is on standby to provide timely and efficient technical support and repair services,
ensuring you have no worries.
Q1: We are interested in your products?
A1: In order to recommend you suitable products, please provide detail information, like size, material, pressure, model.
Q2: Is the requirement for MOQ?
A2: For some small size, like 3/8''- 1'' (DN8-DN25), it request the MOQ is 500pcs for each size.
Q3: How about the warranty?
A3: The warranty time is 18 months after leaving our factory.
Q4: Payment
A4: Mainly T/T
Payment Term: 30% advance payment, 70% balance before shipping or against copy of BL.
Q5: Can you manufacture different standards valves according to customer requirements?
A5: Yes. We can manufacture API,DIN,GOST,JIS standards for different pressure & temperature & size according to different needs.
If you want to know more about our products, please contact freely.
We will patiently answer your all questions.