GB/T3036 Pneumatic Butterfly Valve With Stainless Steel Disc, DN50-DN600, PN16 Rated
Product Spotlights
As a leading manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance industrial valves to a global clientele. Our GB/T3036 Pneumatic Butterfly Valve with Stainless Steel Disc represents our commitment to engineering excellence, offering a reliable and efficient solution for fluid control across diverse sectors. Engineered for durability and precise operation, this valve is designed to meet the rigorous demands of modern industrial applications, providing a robust sealing mechanism and long service life. With extensive experience serving markets from North America and Europe to Southeast Asia and Africa, we understand the critical need for dependable valve performance in your operations.
This pneumatic butterfly valve is engineered for superior performance in regulating and isolating flow in pipelines. The incorporation of a stainless steel disc is a key feature, providing excellent resistance to corrosion and wear, which is crucial for handling a variety of media, including water, air, and mild chemicals. The pneumatic actuator enables automated, rapid opening and closing, facilitating seamless integration into automated control systems and reducing manual labor.
- Robust Construction & Materials: The valve body, typically available in materials like ductile iron or WCB carbon steel upon request, is designed for structural integrity. Combined with the stainless steel disc, this construction ensures reliability under the PN16 pressure rating.
- Excellent Sealing Performance: The valve utilizes a resilient seat, often made from EPDM or NBR, which provides a bubble-tight seal when closed, minimizing leakage and enhancing system efficiency.
- Wide Size Compatibility: Available in a comprehensive range from DN50 to DN600, this valve can be specified for various pipeline dimensions, offering flexibility for different project scales.
- Low Torque Operation: The streamlined disc design reduces fluid turbulence and requires lower operating torque, which translates to energy savings for the actuator and reduced wear on components.
- Easy Installation & Maintenance: The wafer or lug-style design (configurable) allows for compact installation between pipe flanges, saving space and simplifying both initial setup and future maintenance procedures.
Technical specifications for common configurations are summarized below:
| Parameter | Specification |
| Design Standard | GB/T3036 |
| Nominal Diameter (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600 |
| Pressure Rating (PN) | 16 |
| Disc Material | Stainless Steel (e.g., SS304, SS316) |
| Body Material (Common Options) | Ductile Iron, WCB Carbon Steel |
| Seat Material (Common Options) | EPDM, NBR |
| Actuator Type | Double-acting or Spring-return Pneumatic Actuator |
| Operating Pressure (Air Supply) | Customizable (e.g., 4-7 bar) |
| Connection Type | Wafer or Lug (as per requirement) |
| Operating Temperature Range | Dependent on seat material (e.g., -20°C to +120°C for EPDM) |
The advantages of choosing our valve extend beyond its specifications. For plant managers and engineers, it means reduced downtime due to its corrosion-resistant disc and reliable sealing. For procurement teams, the cost-effectiveness of a durable, low-maintenance product with a competitive price point is clear. Furthermore, the pneumatic actuation supports operational automation, leading to improved process control and potential labor savings.
Our company's track record speaks for our capability. Established in 2016, we have rapidly grown to achieve an annual export value in the range of US$1 million to US$1.5 million, demonstrating strong international trust. Our products are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics to our main markets across the globe. This particular valve, manufactured under strict ISO9001 guidelines, embodies the quality and reliability that our clients in industries from water treatment and HVAC to chemical processing and power generation have come to expect. We encourage you to leverage our manufacturing expertise for your next project. Contact us today to discuss your specific requirements for size, material configuration, and actuator details, and experience the Zhibang difference in valve performance and service.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of a stainless steel disc in this butterfly valve?
A: The stainless steel disc offers superior corrosion resistance compared to coated or other metallic discs. This is essential for applications involving water, mild chemicals, or corrosive atmospheres, significantly extending the valve's service life and reducing maintenance needs.
Q2: Can this PN16 rated valve be used for higher pressure applications?
A: No, the PN16 rating indicates a nominal pressure of 16 bar. Using it for pressures exceeding this rating could compromise valve integrity and safety. For higher pressure requirements, please inquire about other available models in our product range.
Q3: Is the pneumatic actuator included with the valve?
A: The valve can be supplied as a manual valve or coupled with a pneumatic actuator as a complete package. The actuator specifications (double-acting or spring-return, torque output, air supply pressure) can be customized based on your control system requirements.
Q4: What types of fluids are suitable for this valve?
A: With the standard stainless steel disc and EPDM/NBR seat, the valve is suitable for a wide range of neutral fluids like water, air, oil, and gases. Compatibility with specific aggressive chemicals or high-temperature media depends on the exact seat and disc material grade selected.
Q5: What is the delivery time for a non-standard size like DN450?
A: While standard sizes (DN50-DN300) typically have shorter lead times, larger sizes like DN450 are also part of our regular production scope. The exact delivery time will be confirmed upon order, considering current production schedules and your location.
Q6: Do you provide documentation and certifications with the product?
A: Yes, as an ISO9001 certified manufacturer, we provide essential documentation including a material test report, product manual, and packing list with each shipment. Specific certifications can be discussed as part of the order process.
Q7: How does the wafer connection differ from the lug connection?
A: A wafer-style valve is installed between two pipe flanges using longer bolts that pass through both flanges. A lug-style valve has threaded inserts (lugs) on the valve body, allowing it to be bolted directly to each flange independently, which can be beneficial for end-of-line applications or when disconnecting one side is necessary.
Q8: What after-sales support do you offer?
A: We provide technical support for installation and operation. A standard warranty covers manufacturing defects. Additionally, we maintain an inventory of common spare parts like seal kits to support your maintenance activities.
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