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Help CenterJIS F7481 Stainless Steel Butterfly Valve With Mill Test Report and Warranty
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As a professional manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our premium JIS F7481 Stainless Steel Butterfly Valve. Engineered for demanding industrial applications, this valve combines robust construction with precise flow control. With years of expertise since our establishment in 2016 and a strong export presence across continents, we deliver valves that meet rigorous international standards. This product is designed to offer reliable shut-off and regulation in systems handling water, chemicals, and various industrial fluids, providing our clients with a durable and cost-effective solution backed by a comprehensive warranty and full traceability.
Our JIS F7481 Butterfly Valve is manufactured with precision to ensure long service life and minimal maintenance. The core advantages of this valve stem from its thoughtful design and quality materials.
- Superior Corrosion Resistance: Constructed from high-grade stainless steel (304 or 316), the valve body and disc offer excellent resistance to corrosion, pitting, and erosion, making it suitable for a wide range of aggressive media and environments, including marine applications.
- Precise Flow Control: The disc design ensures a tight seal and smooth, low-torque operation from fully open to fully closed positions, allowing for accurate flow modulation.
- Robust & Leak-Proof Design: Featuring a resilient seat (EPDM, NBR, or Viton options) that provides a bubble-tight seal, the valve minimizes leakage and ensures system integrity under specified pressure ratings.
- Versatile Operation: Available with manual lever, gear operator, or electric/pneumatic actuation, providing flexibility for remote or automated control systems based on project requirements.
- Easy Installation & Maintenance: The compact wafer or lug design simplifies installation between pipe flanges, reducing space and weight compared to other valve types. The design also allows for easy seat replacement without removing the valve body from the pipeline.
- Full Documentation & Traceability: Each valve is supplied with a Mill Test Report (MTR), providing verified chemical composition and mechanical properties of the materials used, ensuring quality and compliance.
The technical specifications below outline the key parameters of our standard JIS F7481 Stainless Steel Butterfly Valve. Custom configurations are available upon request.
| Parameter | Specification |
|---|---|
| Design Standard | JIS F7481 |
| Body & Disc Material | Stainless Steel CF8 (304) / CF8M (316) |
| Seat Material | EPDM, NBR, Viton (Standard: EPDM) |
| Stem Material | Stainless Steel |
| Connection Type | Wafer, Lug (Optional) |
| Size Range (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600 |
| Pressure Rating | PN10/16, JIS 10K |
| Temperature Range | -10°C to +120°C (depends on seat material) |
| Operation | Manual Lever, Worm Gear, Electric/Pneumatic Actuator |
Choosing our valve brings tangible benefits to your operations. It enhances system reliability, reduces downtime due to its durable construction, and lowers total cost of ownership through long service life and easy maintenance. The availability of a Mill Test Report gives you confidence in material quality, which is crucial for critical applications.
Trust and Global Reach: Shanghai Zhibang Valve Manufacture Co., Ltd. stands behind every product. Our operations are certified under the ISO9001 Quality Management System, ensuring consistent manufacturing processes. With an annual export value ranging between US$1 Million to US$1.5 Million, we have successfully supplied our valves to diverse markets including North America, South America, Europe, Asia, Africa, and Oceania. We ship from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics. This JIS F7481 Stainless Steel Butterfly Valve embodies our commitment to quality, reliability, and customer satisfaction. It is a proven component trusted by industries worldwide. Contact us today to discuss your specific requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ)
Q1: What is the significance of the JIS F7481 standard?
A1: JIS F7481 is a Japanese Industrial Standard specifying the requirements for butterfly valves. Valves conforming to this standard are designed for consistent dimensions, pressure ratings, and performance, ensuring interchangeability and reliability in piping systems that require this specification.
Q2: Can this valve be used for both on/off and throttling service?
A2: Yes, this butterfly valve is suitable for both isolation (on/off) and regulation (throttling) of flow. The disc design allows for precise positioning, making it effective for flow control applications.
Q3: What is included in the Mill Test Report (MTR)?
A3: The MTR is a certificate from the material mill. It provides verified data including the chemical composition, mechanical properties (like tensile strength, yield strength), heat treatment details, and compliance with the specified material grade (e.g., 304/316 stainless steel), offering full traceability.
Q4: What are the main differences between Wafer and Lug type connections?
A4: A Wafer-style valve is designed to be clamped between two pipe flanges with long bolts. A Lug-style valve has threaded inserts (lugs) on the valve body, allowing it to be bolted directly to each flange, which can support the pipeline weight and allows for isolation of a section. The choice depends on your system design needs.
Q5: Is the valve suitable for potable water applications?
A5: Yes, when configured with an appropriate seat material like EPDM that meets relevant drinking water standards (certifications available upon request), the valve can be used in potable water systems.
Q6: What is the standard warranty period?
A6: We provide a standard warranty against manufacturing defects. The specific terms and duration are detailed in our sales contract and can be discussed based on the order.
Q7: Can you supply the valve with different end connections or face-to-face dimensions?
A7: Yes, we offer customization. While our standard follows JIS F7481, we can modify connection types (e.g., to ANSI flanges) or face-to-face dimensions upon request to meet specific project specifications.
Q8: How do I select between a manual lever and a gear operator?
A8: A manual lever is suitable for smaller sizes and applications where quick, frequent operation is needed. A gear operator provides mechanical advantage, reducing the operating torque required, making it ideal for larger valve sizes or higher-pressure applications.
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