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Help CenterGB/T3036 Pneumatic Butterfly Valve With Mill Test Report and 2-Year Warranty
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As a professional manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance industrial flow control solutions. Our GB/T3036 Pneumatic Butterfly Valve is engineered for reliability and efficiency in demanding applications. We back our products with a solid 2-Year Warranty and provide a comprehensive Mill Test Report (MTR) for each valve, ensuring full traceability and material compliance. This valve is designed to offer precise on/off or modulating control in a wide range of industries, from water treatment to chemical processing.
The core of our valve's performance lies in its robust construction and intelligent design. The pneumatic actuator provides rapid and reliable operation, making it ideal for automated systems where quick response is critical.
Key Features & Technical Advantages:
- Superior Sealing Performance: The disc design and high-quality seat materials (EPDM, NBR, PTFE) ensure bubble-tight shut-off, minimizing leakage and process losses.
- Low Torque Operation: The streamlined disc design reduces operating torque, which extends the actuator's life and allows for the use of smaller, more cost-effective actuators.
- Corrosion Resistance: Available in various body materials including coated cast iron, ductile iron, and stainless steel, the valve is suitable for handling water, air, gases, and mildly corrosive fluids.
- Easy Maintenance: The modular design allows for easy seat replacement and stem maintenance without removing the valve body from the pipeline, significantly reducing downtime.
- Versatile Actuation: Compatible with double-acting or spring-return (fail-safe) pneumatic actuators. Optional accessories like positioners and limit switches enable precise control and remote status monitoring.
Technical Specifications:
| Parameter | Specification |
| Design & Manufacturing Standard | GB/T3036 |
| Size Range (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600+ |
| Pressure Rating (PN) | 6, 10, 16 |
| Connection Types | Wafer, Lug, Flanged (ASME, DIN, JIS, etc. available) |
| Body Materials | Cast Iron (GG25), Ductile Iron (GGG40), Stainless Steel (CF8/CF8M) |
| Seat Materials | EPDM, NBR, Viton, PTFE, Silicon |
| Operating Temperature | -20°C to +120°C (varies with seat material) |
| Actuator Air Supply | 4-7 bar (Standard), other pressures customizable |
Benefits for Your Operation:
- Enhanced System Reliability: The robust design and quality materials reduce failure rates, ensuring continuous operation of your critical processes.
- Reduced Total Cost of Ownership: Long service life, easy maintenance, and energy-efficient operation lower long-term operational and replacement costs.
- Improved Process Control: Precise actuation enables accurate flow regulation, improving product quality and process efficiency.
- Simplified Procurement: With our extensive size and material options, you can standardize your valve specifications across multiple applications.
- Global Compliance: Manufactured to GB/T3036, a recognized standard, facilitating acceptance in international projects.
Trust is built on proven performance and transparency. Established in 2016, Shanghai Zhibang has grown into a reliable supplier with an annual export value ranging between US$1 Million and US$1.5 Million, serving diverse markets across North and South America, Europe, Asia, Africa, and Oceania. Our ISO9001 certification underpins our commitment to consistent quality in every valve we produce. The inclusion of a detailed Mill Test Report with each unit provides you with verified material data for quality assurance and audit purposes. Combined with our confident 2-Year Warranty, this valve represents a low-risk, high-value investment for your fluid control systems. Contact us today to discuss your specific requirements and experience the Zhibang difference.
Frequently Asked Questions (FAQ):
Q1: What is the main advantage of a pneumatic actuator over a manual or electric one for this butterfly valve?
A: Pneumatic actuators offer very fast opening/closing times, high reliability in harsh environments (explosive, wet, dusty), and are often more cost-effective for larger valve sizes. They are ideal for frequent operation and automated control loops.
Q2: Can this valve be used for throttling or modulating control, or is it only for on/off service?
A: While excellent for on/off service, this valve can be used for modulating control when paired with a pneumatic positioner and a characterized disc (often a 60° or 90° opening). This allows for precise flow regulation.
Q3: What does the Mill Test Report (MTR) include, and why is it important?
A: The MTR is a certificate from the material mill that details the chemical composition and mechanical properties (like tensile strength, yield strength) of the metal used for the valve body and disc. It is crucial for quality verification, material traceability, and compliance with project specifications.
Q4: Does the 2-year warranty cover both the valve body and the pneumatic actuator?
A: Yes, our standard warranty covers defects in materials and workmanship for the complete assembled unit (valve body, disc, stem, seat, and pneumatic actuator) under normal use for a period of two years from shipment.
Q5: Can you provide valves with different flange standards, like ANSI or JIS, even though it's made to GB/T3036?
A: Absolutely. While the valve design conforms to GB/T3036, we can manufacture it with various flange face dimensions and drilling patterns to meet ANSI, DIN, JIS, or other international standards as required by your piping system.
Q6: What is the typical lead time for an order of these valves?
A: Lead times vary based on size, material, and quantity. Standard configurations are often available from stock or have shorter production cycles. We provide accurate lead time estimates upon receipt of your detailed inquiry.
Q7: Are spare parts like seals and seats readily available?
A: Yes. We maintain an inventory of common spare parts. The valve's design prioritizes maintainability, and we can supply repair kits to minimize your equipment downtime.
Q8: What industries are these valves most commonly used in?
A: These valves are versatile and widely used in water supply and wastewater treatment, HVAC systems, power generation, chemical and petrochemical processing, food and beverage, pharmaceutical, and general industrial air and water lines.
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