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China Ductile Iron Grooved End Butterfly Valve Suppliers | Factory Direct PN10/PN16/PN25 Solutions
Product Details
The butterfly valve has the advantages of simple structure, reliable sealing, light opening, long service life and convenient maintenance. Therefore, it is widely used in various pipelines of water supply and drainage, building fire protection, etc., especially in fire protection pipelines. The signal valve can clearly display the valve switch state, and has an intuitive, clear and reliable reflection of the working state in the fire protection system, so it is widely and widely applied to the fire protection system.
🔑 Key Features
🎯
Precise Flow Control
🛡️
Durable Performance
⚙️
Easy To Install
💡
Cost-Effective Solution
Specification
| No. | Parts | Materials |
| 1 | Body | DI |
| 2 | Seat | EPDM |
| 3 | Shaft | SS416 |
| 4 | Disc | DI |
| 5 | Pin | SS416 |
📐 Dimensions
| SIZE | H1 | H2 | C | L | A | B | |
| in | DN | ||||||
| 2 | 50 | 102 | 53 | 60 | 92 | 8 | 16 |
| 2.5 | 65 | 109 | 61 | 76 | 102 | 8 | 16 |
| 3 | 80 | 112 | 68 | 89 | 102 | 8 | 16 |
| 4 | 100 | 136 | 85 | 114 | 116 | 10 | 16 |
| 5 | 125 | 166 | 100 | 141 | 125 | 10 | 16 |
| 6 | 150 | 177 | 113 | 165 | 125 | 10 | 16 |
| 8 | 200 | 234 | 143 | 216 | 138 | 11 | 19 |
| 10 | 250 | 266 | 178 | 273 | 159 | 13 | 19 |
| 12 | 300 | 270 | 230 | 324 | 166 | 13 | 19 |
Frequently Asked Questions
❓
What is a grooved end butterfly valve used for?
A grooved end butterfly valve is primarily used in water supply and drainage systems, building fire protection pipelines, and HVAC applications. It provides precise flow control with a quarter-turn operation and is especially popular in fire protection systems due to its reliable valve switch state display.
❓
What materials are used in the construction of this butterfly valve?
The body and disc are made of Ductile Iron (DI) for superior strength and durability. The seat is manufactured from EPDM rubber for excellent sealing performance. The shaft and pin are made from SS416 stainless steel, providing strong corrosion resistance in demanding environments.
❓
What pipe sizes are available for the grooved end butterfly valve?
The grooved end butterfly valve is available in a wide range of sizes from 2 inches (DN50) up to 12 inches (DN300), covering most standard piping requirements in commercial and industrial applications.
❓
Is this butterfly valve suitable for fire protection systems?
Yes. The signal butterfly valve is specifically designed for fire protection systems. It features a clear visual indicator that displays the open or closed state of the valve at a glance, providing an intuitive, reliable and immediate reflection of the working status — making it a preferred choice for fire suppression pipelines.
❓
How easy is it to install a grooved end butterfly valve?
The grooved end butterfly valve is designed for easy installation. The grooved connection system allows the valve to be quickly connected to grooved-end pipes without the need for welding or flanging, significantly reducing installation time and labor costs.
❓
What maintenance is required for this butterfly valve?
The butterfly valve requires minimal maintenance due to its simple and robust structure. Routine inspection of the EPDM seat for wear and periodic lubrication of the shaft are recommended. Its straightforward design allows for quick disassembly and reassembly, making servicing both convenient and cost-effective.
Product Packaging
01020304























