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Help CenterGB/T3036 Pneumatic Butterfly Valve for Industrial Water Treatment Applications
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As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our high-performance GB/T3036 Pneumatic Butterfly Valve, engineered specifically for demanding industrial water treatment applications. Since our establishment in 2016, we have dedicated ourselves to producing reliable fluid control solutions that meet rigorous international standards. This valve combines robust construction with precise pneumatic actuation, offering our global clients in North America, Europe, Asia, and beyond a dependable component for managing water flow, filtration, and chemical dosing processes. Our commitment to quality ensures that every valve delivers consistent performance, helping you maintain operational efficiency and system integrity.
This pneumatic butterfly valve is designed for optimal control in water treatment plants, wastewater facilities, and industrial cooling systems. Its key features include:
- Precise Pneumatic Control: Enables fast, reliable, and automated on/off or modulating control, ideal for integration into SCADA and PLC systems for remote operation.
- Robust Construction: Manufactured from high-grade materials like ductile iron, cast steel, or stainless steel to withstand corrosive water treatment chemicals and varying pressures.
- Excellent Sealing Performance: Features resilient seat materials such as EPDM, NBR, or PTFE, ensuring bubble-tight shut-off and long service life even with abrasive media.
- Compact & Lightweight Design: The wafer or lug-type body offers easy installation between flanges, saving space and reducing structural support requirements compared to gate valves.
- Low Torque Operation: The streamlined disc design minimizes pressure drop and requires lower actuation torque, leading to energy savings and smaller actuator sizing.
- Maintenance-Friendly: The simple design allows for easy inspection and replacement of seat and seal components with minimal downtime.
The valve is built to comply with the Chinese national standard GB/T3036, ensuring dimensional interchangeability and performance reliability. Below is a summary of key technical specifications available:
| Parameter | Specification / Option |
|---|---|
| Design Standard | GB/T3036 |
| Size Range (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1200 |
| Pressure Rating (PN) | 10, 16, 25 |
| Body Material | Ductile Iron (GGG40), Cast Steel (WCB), Stainless Steel (CF8/CF8M) |
| Disc Material | Ductile Iron with Epoxy Coating, Stainless Steel (304/316), Aluminum Bronze |
| Seat Material | EPDM, NBR, Viton, PTFE |
| Connection Type | Wafer, Lug, Double Flanged |
| Operating Temperature | -10°C to +120°C (varies with seat material) |
| Pneumatic Actuator Type | Double-acting or Spring-return (Fail-safe) |
| Control Signal | 4-20mA, 0-10V, or On/Off switch (Optional) |
Choosing our pneumatic butterfly valve provides significant advantages for your water treatment operations. The automated actuation reduces labor costs and improves response time for process adjustments. The durable materials resist scaling and corrosion from chlorinated water, acids, and alkalis commonly used in treatment. The valve's low-pressure drop characteristic helps conserve pumping energy across large-diameter pipelines. Furthermore, its compliance with GB/T3036 guarantees a reliable fit and performance within systems designed to metric standards, reducing compatibility concerns.
Backed by our ISO9001 certified manufacturing processes and an annual export value demonstrating global trust, Shanghai Zhibang Valve stands as a reliable partner. We ship efficiently from major ports like Shanghai, Guangzhou, and Hong Kong, ensuring timely delivery to markets worldwide. Our valves are proven in diverse applications across continents, from filtration and backwashing to sludge handling. For a component that combines automated efficiency with rugged durability for your critical water management processes, this GB/T3036 Pneumatic Butterfly Valve is a sound investment. Contact us today to discuss your specific requirements, request a detailed quotation, or learn more about our customizable valve solutions.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of a pneumatic actuator over a manual one for this valve?
A: The pneumatic actuator allows for remote, automated operation. This is crucial in industrial water treatment for rapid process control, integration into automated systems, and operation in hard-to-reach or hazardous locations, improving both safety and efficiency.
Q2: Can this valve handle chemicals like chlorine or ferric chloride used in water treatment?
A> Yes, with the appropriate material selection. We recommend a stainless steel body (CF8/CF8M) with a PTFE or EPDM seat for excellent resistance to a wide range of oxidizing chemicals, acids, and coagulants commonly used in treatment plants.
Q3: Is the GB/T3036 standard compatible with ANSI or DIN flanges?
A: The GB/T3036 standard is a Chinese national standard with metric dimensions. While it shares similarities with DIN standards, for connection to ANSI flanges, specific adaptor flanges or valves with dual-standard drilling may be required. Please provide your flange specifications for confirmation.
Q4: What fail-safe options are available for the pneumatic actuator?
A> We offer spring-return (single-acting) actuators that will automatically move the valve to a predefined safe position (open or closed) upon loss of air supply. Double-acting actuators require air to move in both directions and stay in the last position if air fails.
Q5: What is the typical lead time for an order of these valves?
A: For standard sizes and materials, our lead time is generally competitive. As a manufacturer, we can often accommodate urgent requests. The exact timeline depends on the order quantity, specific configuration, and current production schedule. We provide estimated delivery dates with every quotation.
Q6: Do you provide accessories like positioners, limit switches, or solenoid valves?
A: Yes, we can supply a complete actuated package. Accessories like pneumatic positioners for precise flow control, electromechanical limit switches for position feedback, and solenoid valves for electrical control are available as optional add-ons to create a ready-to-install unit.
Q7: How do I determine the correct valve size for my pipeline?
A: The valve size (DN) should match the nominal diameter of your pipeline. It's also important to consider flow rate (Cv value) and allowable pressure drop. Providing us with your pipe size, fluid type, pressure, and temperature will allow us to assist in selecting the optimal valve.
Q8: What kind of warranty or after-sales support do you offer?
A: We stand behind our product quality. A standard warranty period is provided against manufacturing defects. Our technical team is available to support installation guidance, troubleshooting, and supply of spare parts like seals and gaskets to ensure long-term performance.
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