**4 Inch Wafer Butterfly Valve for Water Flow Control**
This 4-inch wafer-type butterfly valve is specifically designed for efficient water flow control in a wide range of industrial and commercial applications. It features a compact and simple structure, allowing for quick 90-degree on-off operation with minimal operating torque, making it energy-efficient and easy to use.
Key Features:
- **Compact Design:** Easy to install and maintain, ideal for tight spaces.
- **Quick Operation:** 90-degree rotation for fast opening and closing.
- **Tight Sealing:** Ensures no leakage even under pressure testing, providing reliable performance.
- **ISO 5211 Compliance:** The drive mechanism meets international standards for compatibility and ease of integration.
- **Versatile Materials:** Available in a variety of materials suitable for different media, including water, sewage, air, steam, and more.
- **Accurate Machining:** High-quality manufacturing ensures low operating torque, long service life, and high reliability.
- **Disassembleable:** Facilitates maintenance and recycling of components based on material type.
- **Lugged Installation:** Can be installed at the end of pipes for lugged butterfly valves.
**Technical Data:**
- **Design Standards:** API 609, BS 5155, EN 593, GB/T 12238, DIN 3354
- **Face-to-Face Dimension:** API 609, DIN 3202 K1, BS 5155, EN 558, ISO 5752, ASME B16.10
- **Flange Ends:** ASME B16.1, ASME B16.5, ASME B16.47, BS EN 1092, JIS B 2220, BS 10 Table D/Table E
- **Top Flange:** ISO 5211 (customizable per customer needs)
- **Inspection Standards:** API 598, EN 12266-1, ISO 5208
- **Size Range:** DN50–DN1600 / 2"–64"
- **Temperature Range:** -40°C to +200°C (depending on pressure, medium, and material)
- **Media Compatibility:** Freshwater, sewage, seawater, air, vapor, food, oil, medicine, alcohol, salt
**Main Material List:**
- **Body:** CI, DI, WCB, WCC, LCB, LCC, CF8, CF8M, CF3, CF3M, C95400, C95800, SAF2205, SAF2507, F51, 1.4529
- **Seat:** Buna-N, NBR, EPDM, Hypalon, Neoprene, Viton, FKM, PTFE, RPTFE, Teflon, Natural Rubber
- **Disc:** CF8, 304, CF3, 304L, CF8M, 316, CF3M, 316L, SAF2205, SAF2507, F51, 1.4529, C95400, C95500, C95800, Monel
- **Stem:** F410, F420, F430, F431, F304, F316, Monel 400, Monel K500
**Product Specifications:**
| Standard or Nonstandard | Standard |
|--------------------------|-----------|
| Structure | Butterfly |
| Pressure | Medium Pressure |
| Power | Manual |
| Material | Casting |
| Temperature of Media | Medium Temperature |
| Media | Water |
| Port Size | DN2"–60" |
| Place of Origin | Tianjin, China |
| Model Number | Concentric Butterfly Valve |
| Brand Name | WDS / OEM |
| Test | API 598 |
This butterfly valve is an excellent choice for water flow control in various industries, including water treatment, HVAC systems, and industrial pipelines. Its durable construction and compliance with global standards make it a reliable and cost-effective solution for both domestic and commercial use.
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