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Help CenterGB/T3036 Standard Wafer Butterfly Valve With Gear Operator for Water Treatment Plant Control
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As a leading manufacturer with a strong commitment to quality and reliability, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our GB/T3036 Standard Wafer Butterfly Valve with Gear Operator. Engineered specifically for the demanding environments of water treatment plants, this valve is designed to deliver precise and dependable flow control. Our years of experience since 2016, combined with a robust ISO9001-certified quality management system, ensure that every valve meets stringent performance standards. We understand the critical role of control valves in water treatment processes, and our product is built to offer long-lasting service, minimal maintenance, and optimal operational efficiency for your plant's control systems.
This wafer butterfly valve is a cornerstone for modern fluid handling systems, offering a compact and efficient solution for isolation and regulation. The integration of a gear operator provides significant mechanical advantage, allowing for smooth and controlled actuation even in larger pipe sizes or under higher differential pressures. The design adheres to the national GB/T3036 standard, ensuring compatibility and reliability within industrial piping networks.
Key Features and Technical Advantages:
- Robust Construction: The valve body is typically crafted from high-grade ductile iron, providing excellent strength and corrosion resistance. The disc is often made from stainless steel or coated carbon steel, ensuring durability against water-borne impurities.
- Precise Gear Operation: The enclosed gear operator allows for fine-tuned positioning of the disc, enabling accurate flow modulation. It reduces the required operating torque, making manual operation safer and easier for plant personnel.
- Excellent Sealing Performance: Equipped with a resilient seat, commonly made from EPDM or NBR, the valve ensures a bubble-tight shut-off, preventing leakage and ensuring process integrity in water treatment applications.
- Compact Wafer Design: The wafer-style valve installs conveniently between two pipeline flanges using through-bolts, saving space and weight compared to lug-style or flanged-end valves. This design simplifies installation and reduces overall system costs.
- Versatile Application Range: While ideal for potable water, wastewater, and process water treatment, this valve is also suitable for other neutral fluids in industrial settings, including cooling water systems and general service.
Technical Specifications Table:
| Parameter | Specification |
|---|---|
| Design Standard | GB/T3036 |
| Connection Type | Wafer (Double Flange) |
| Body Material | Ductile Iron (GGG50) |
| Disc Material | Stainless Steel CF8 (304) / Coated Carbon Steel |
| Seat Material | EPDM (Standard for Water), NBR, Viton (Optional) |
| Stem Material | Stainless Steel 420/304 |
| Operator Type | Enclosed Worm Gear Operator |
| Size Range (Nominal Diameter) | DN50 (2") to DN1200 (48") |
| Pressure Rating (PN) | PN10, PN16 (Higher ratings available upon request) |
| Temperature Range (with EPDM seat) | -10°C to +120°C |
| Face-to-Face Dimension | Per GB/T3036 Standard |
Benefits for Your Water Treatment Plant:
- Enhanced Control and Reliability: The gear operator provides precise throttling capability, essential for controlling flow rates in various treatment stages like filtration, chemical dosing, and backwashing.
- Reduced Operational Effort: The gearbox significantly lowers the operating torque, enabling manual control of larger valves without excessive force, improving operator safety and convenience.
- Long Service Life and Low Maintenance: The use of corrosion-resistant materials and a robust design minimizes wear and tear, leading to extended service intervals and reduced lifecycle costs.
- Leak-Free Performance: The resilient seat design ensures a reliable seal, crucial for preventing water loss and maintaining system pressure in treatment plants.
- Cost-Effective Solution: The wafer design offers a lighter, more compact, and often more economical alternative to other valve types, without compromising on performance for water service.
With an annual export value ranging between US$1 Million and US$1.5 Million, Shanghai Zhibang Valve has established a strong global presence, supplying reliable valve solutions to markets across North and South America, Europe, Asia, Africa, and Oceania. Our products are shipped from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics. This extensive reach is a testament to the trust placed in our manufacturing capabilities and product quality. When you choose our GB/T3036 Wafer Butterfly Valve, you are not just purchasing a component; you are investing in a solution backed by a dedicated manufacturer with a proven track record. We are confident that this valve will contribute significantly to the smooth and efficient operation of your water treatment facility. Contact us today to discuss your specific requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ):
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Q: Is this valve suitable for both clean water and wastewater applications?
A: Yes, it is designed for general water service. The standard EPDM seat is excellent for potable water. For wastewater with specific chemicals or abrasives, we can recommend alternative seat materials like NBR or special compounds upon request. -
Q: Can the gear operator be replaced with an actuator for automated control?
A: Absolutely. The valve design is compatible with various electric, pneumatic, or hydraulic actuators. The gear operator can be easily removed, and an actuator mounting kit can be fitted for automated process control. -
Q: What is the delivery time for a standard size like DN300?
A: For standard configurations and materials, we typically maintain stock for common sizes. Delivery time can be as short as 7-15 days. For larger or customized orders, our team will provide a specific timeline based on your requirements. -
Q: How does the wafer installation differ from a lug-style butterfly valve?
A: A wafer valve is installed between two flanges using bolts that pass through both flanges and the valve. A lug-style valve has threaded inserts (lugs) allowing it to be installed at the end of a pipeline or between flanges using bolts only into the valve's lugs. The wafer design is generally more compact and cost-effective for between-flange installation. -
Q: Do you provide installation and maintenance guidelines?
A: Yes, comprehensive installation, operation, and maintenance manuals are provided with each valve shipment. These documents include torque specifications, installation diagrams, and troubleshooting guides. -
Q: Are the valves tested before shipment?
A: Yes, as part of our ISO9001 quality procedures, every valve undergoes rigorous factory testing. This typically includes a shell test (body strength) and a seat leakage test to ensure it meets the specified performance standards. -
Q: What is the main advantage of using a gear operator over a simple lever?
A: A gear operator provides a significant mechanical advantage (gear reduction), reducing the input force required to open or close the valve. This is crucial for larger valve sizes (typically above DN200) where operating torque is high, making manual operation feasible and safer. -
Q: Can you supply valves with different flange standards, like ANSI or JIS?
A: While this product is built to the GB/T3036 standard, we can customize valves to meet other international flange standards such as ANSI, DIN, or JIS. Please specify your required flange facing and drilling standard when inquiring.
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