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Help CenterGB/T3036 Gear Operated Butterfly Valve With Ductile Iron Body and EPDM Seal for Industrial Piping Systems
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As a professional manufacturer with a strong foundation since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our GB/T3036 Gear Operated Butterfly Valve. Engineered for demanding industrial environments, this valve combines the robust strength of a ductile iron body with the reliable sealing of an EPDM liner, all actuated by a precise gear operator for superior flow control. We understand the critical need for durability and low maintenance in piping systems, which is why this valve is designed to deliver long-lasting performance and operational efficiency. Our commitment to quality, backed by ISO9001 certification, ensures that every valve meets stringent standards, providing you with a trustworthy component for your fluid handling applications.
This butterfly valve is a versatile and efficient solution for on/off and throttling services across various industries. The gear operator offers significant advantages over simple lever handles, especially for larger valve sizes or higher-pressure applications.
- Superior Durability: The ductile iron body provides excellent impact and tensile strength, resisting deformation and cracking under pressure and mechanical stress.
- Reliable Sealing: The EPDM (Ethylene Propylene Diene Monomer) seal offers outstanding resistance to water, steam, mild acids, alkalis, and a wide range of chemicals, ensuring a tight shut-off.
- Precise Operation: The gear operator allows for smooth, multi-turn actuation, giving operators fine control over the disc position for accurate flow regulation.
- Reduced Operator Effort: The gear mechanism provides a high mechanical advantage, making it easier to open, close, or throttle the valve, even against high line pressures.
- Low Maintenance Design: The simple, robust design minimizes the need for frequent maintenance. The gearbox is typically sealed and lubricated for life.
- Bi-Directional Flow: The valve design is suitable for flow in either direction, simplifying installation and system design.
- Compact & Lightweight: Compared to gate or globe valves of similar capacity, butterfly valves offer a more compact profile, saving space and weight in the piping system.
The technical specifications of our GB/T3036 Gear Operated Butterfly Valve are detailed below. Please note that specific configurations like connection type (wafer or lug) and exact size availability can be customized upon request.
| Parameter | Specification / Description |
|---|---|
| Design & Manufacturing Standard | GB/T 3036 (Chinese National Standard for Butterfly Valves) |
| Body Material | Ductile Iron (GGG-40/50) |
| Disc Material | Ductile Iron, Carbon Steel, or Stainless Steel (Optional) |
| Seat / Liner Material | EPDM (Standard), NBR, Viton, PTFE available |
| Operation Type | Worm Gear Operator (Manual) |
| Nominal Pressure (PN) | PN10, PN16 (Common) |
| Size Range (Nominal Diameter) | From DN50 (2") to DN1200 (48") and larger |
| Connection Type | Wafer or Lug (Double Flange) design |
| Temperature Range | -20°C to +120°C for EPDM seal (varies with seal material) |
| Application Media | Water, Air, Gas, Oil, Weak Corrosive Fluids, Steam |
Benefits for Your Operations:
- Cost-Effective Solution: Provides reliable performance at a competitive price point compared to other valve types.
- Enhanced Safety: The gear operator allows for secure, controlled operation, reducing the risk of sudden valve movement.
- Improved System Efficiency: Precise throttling capability helps optimize flow rates and reduce energy consumption in pumping systems.
- Wide Compatibility: Suitable for a broad spectrum of industrial applications including water treatment, HVAC, chemical processing, power generation, and shipbuilding.
- Global Market Acceptance: Designed to GB/T standards which are widely recognized and accepted in many international markets we serve.
Shanghai Zhibang's proven track record speaks for itself. With an annual export value between US$1 Million and US$1.5 Million, our products have gained the trust of clients across North America, South America, Europe, Asia, Africa, and Oceania. This global reach demonstrates our capability to meet diverse international standards and requirements. Our ISO9001 certified manufacturing processes guarantee consistent quality control from raw material inspection to final testing. Sourced directly from our factory in Shanghai, you benefit from competitive pricing and reliable supply, with flexible shipment options from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. Choose our GB/T3036 Gear Operated Butterfly Valve for a robust, dependable, and easy-to-operate valve solution that enhances the reliability and efficiency of your industrial piping systems. Contact us today for a detailed quotation or to discuss your specific application needs.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of a gear operator over a simple lever handle on a butterfly valve?
A: A gear operator provides a significant mechanical advantage, making it much easier to actuate the valve, especially for larger sizes (typically DN200 and above) or in systems with higher pressure. It also allows for precise throttling control and can be fitted with a locking device for safety.
Q2: Is the EPDM seal suitable for oil or fuel applications?
A: Standard EPDM is not recommended for hydrocarbon-based oils and fuels. For such media, we offer alternative seal materials like NBR (Nitrile) or FKM (Viton). Please specify your media when inquiring.
Q3: Can this valve be used for throttling or regulating flow?
A: Yes, absolutely. The multi-turn gear operator provides excellent control over the disc position, allowing for precise flow regulation. This makes it suitable for both on/off isolation and throttling services.
Q4: What is the difference between wafer and lug type connection?
A: A wafer-style valve is sandwiched between two pipeline flanges and uses the flange bolts for sealing. A lug-style valve has threaded inserts (lugs) on the body, allowing it to be bolted directly to each flange, which can support the weight of the pipeline and is beneficial for end-of-line applications.
Q5: Do you offer valves with different international standards like API, AWWA, or EN?
A: While this specific product is manufactured to the GB/T 3036 standard, we have the capability to produce valves according to other common international standards. This can be discussed as a customization option based on your project requirements.
Q6: What is the typical lead time for an order?
A: Lead time depends on the order quantity and specifications. For standard sizes and configurations, we often have stock or can produce within a few weeks. We provide accurate lead time estimates with every quotation.
Q7: How do I determine the right valve size (DN) for my pipeline?
A: The valve size should match the nominal diameter (DN) of your pipeline. It's also crucial to consider the flow rate, pressure drop, and media characteristics. Our technical team can assist you in selection if you provide your basic system parameters.
Q8: What kind of after-sales support do you provide?
A: We provide technical documentation, including dimensional drawings and specifications. While valves are designed for low maintenance, we can advise on spare parts like seal rings if needed. Our goal is to ensure your long-term satisfaction.
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