304 Stainless Steel Disc Wafer Butterfly Valve GB/T3036 Standard DN50-DN600
Product Spotlights
As a leading manufacturer with a strong track record in the global valve industry, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our premium line of 304 Stainless Steel Disc Wafer Butterfly Valves. Engineered to meet the rigorous GB/T3036 standard, these valves are designed for reliable performance in demanding industrial applications. With our extensive experience since 2016 and a commitment to quality underscored by our ISO9001 certification, we deliver valves that offer exceptional durability, precise flow control, and cost-effective solutions for fluid handling systems worldwide.
Our 304 Stainless Steel Wafer Butterfly Valves are engineered for optimal performance and longevity. Key features and advantages include:
- Superior Corrosion Resistance: Constructed from high-grade 304 stainless steel, the valve body and disc offer excellent resistance to corrosion, oxidation, and a wide range of chemicals, ensuring a long service life even in harsh environments.
- Compact & Lightweight Wafer Design: The wafer-style design allows for easy installation between two pipe flanges without the need for additional nuts on the valve side, saving space, weight, and installation time.
- Precise Flow Control: The disc design ensures smooth, low-torque operation from fully open to fully closed, providing excellent throttling capabilities and reliable shut-off.
- Versatile Sealing Options: Standard seats are available in EPDM or NBR, suitable for a broad temperature range. Other seat materials can be customized upon request to handle specific media, including oils, gases, and aggressive chemicals.
- Robust Construction: The one-piece stem and disc construction enhances structural integrity and prevents internal leakage, while precision machining ensures tight sealing and smooth operation.
- Broad Size Range: Available from DN50 to DN600, these valves cater to a wide variety of pipeline requirements in industries such as water treatment, chemical processing, HVAC, food & beverage, and power generation.
Below is a summary of key technical specifications:
| Parameter | Specification |
|---|---|
| Body & Disc Material | 304 Stainless Steel (AISI 304) |
| Design Standard | GB/T3036 |
| Nominal Diameter (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600 |
| Pressure Rating (PN) | PN10, PN16 (Customizable) |
| Seat Material (Standard) | EPDM (for water) / NBR (for oil) |
| Operating Temperature | -20°C to 120°C (with EPDM seat) |
| Connection Type | Wafer (Double Flange) |
| Operation | Lever, Gearbox, Electric Actuator (Optional) |
Choosing our valves provides tangible benefits for your operations:
- Reduced Maintenance Costs: The corrosion-resistant 304 SS construction minimizes wear and tear, leading to lower frequency of repairs and part replacements.
- Enhanced System Reliability: The reliable sealing and robust design prevent leaks and failures, ensuring consistent process performance and safety.
- Operational Efficiency: The low-torque operation reduces the effort and energy required for actuation, whether manual or automated.
- Global Compliance: Manufactured to GB/T3036, these valves are suitable for projects requiring adherence to recognized industrial standards.
Backed by our ISO9001-certified manufacturing processes and an annual export value reflecting our global reach across North America, South America, Europe, Asia, Africa, and Oceania, you can trust Shanghai Zhibang Valve for consistent quality and reliable supply. Our strategic location in Shanghai and multiple shipment ports (Shanghai, Guangzhou, Hong Kong, Beijing) ensure efficient logistics and timely delivery. For a durable, high-performance, and cost-effective solution for your fluid control needs, our 304 Stainless Steel Disc Wafer Butterfly Valves are a proven choice. Contact us today for a quotation or to discuss your specific application requirements.
Frequently Asked Questions (FAQ)
-
Q: What is the main advantage of a wafer-style butterfly valve over other types?
A: The wafer design is compact and lightweight, installed between two pipe flanges using bolts that pass through the valve. This saves space and reduces the overall weight and cost of the piping system compared to lug-style or flanged-end valves. -
Q: Is 304 stainless steel suitable for seawater applications?
A: While 304 stainless steel offers good general corrosion resistance, it is not typically recommended for prolonged exposure to chloride-rich environments like seawater, which can cause pitting. For such applications, 316 stainless steel or other alloys are often suggested and can be inquired about. -
Q: Can this valve be used for both on/off and flow regulation (throttling)?
A: Yes, the disc design of this butterfly valve allows for effective flow control across its opening range, making it suitable for both isolation (on/off) and throttling services. -
Q: What types of actuators are compatible with this valve?
A: The valve can be fitted with a manual lever, a gear operator for higher torque applications, or automated actuators (electric, pneumatic, or hydraulic). The mounting interface is standardized for easy integration. -
Q: Are these valves suitable for food and beverage processing?
A: With proper polishing of the wetted surfaces and the use of FDA-compliant seat materials (available upon request), these valves can be configured for sanitary applications in the food and beverage industry. -
Q: What is the lead time for an order, and what are the payment terms?
A: Lead times vary based on order quantity and specifications. Standard sizes are often available from stock. We offer flexible payment terms, including T/T and L/C. Please contact our sales team for specific details based on your order. -
Q: Do you provide technical support and documentation like CAD drawings?
A: Yes, as a manufacturer, we provide comprehensive technical support. CAD drawings, dimensional datasheets, and installation manuals are available upon request to assist with your system design and integration. -
Q: How does the GB/T3036 standard compare to other international standards like API 609 or ISO 5752?
A: GB/T3036 is a Chinese national standard for butterfly valves that specifies dimensions, pressure ratings, and testing requirements. It is widely recognized and accepted, particularly in Asian markets. It aligns with fundamental performance criteria common to other international standards, ensuring reliable operation.
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