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Product Details:
Payment & Shipping Terms:
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| Product Name: | Floating Ball Valve | Color: | Blue,Customer's Request |
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| Connection: | Flange | Working Pressure: | 1.0-1.6Mpa (10-25bar) |
| Medium: | Water; Oil | Standard: | GB |
| Size: | DN15~DN150 | Power: | Handle |
| High Light: | 25bar floating ball valve,chinese standard floating ball valve,flanged end ball valve floating type |
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The valve is composed of valve body, ball, valve stem, packing gland, limit plate, handle and other parts. The handle parallel to the pipeline axis indicates that the valve is in the open position, and perpendicular to the pipeline axis indicates that the valve is in the closed position. The opening and closing can be realized by turning the handle 90 °
| Type |
DN |
connect size(mm) | ||||||
| L | D | D1 | D2 | b-f | Z-Φd | H | ||
| Q41F-10/16 | 15 | 130 | 95 | 65 | 45 | 14-2 | 4-Φ14 | 74 |
| 20 | 150 | 105 | 75 | 55 | 16-2 | 4-Φ14 | 97 | |
| 25 | 160 | 115 | 85 | 65 | 16-2 | 4-Φ14 | 102 | |
| 32 | 165 | 135 | 100 | 78 | 18-2 | 4-Φ18 | 106 | |
| 40 | 180 | 145 | 110 | 85 | 18-3 | 4-Φ18 | 124 | |
| 50 | 203 | 160 | 125 | 100 | 20-3 | 4-Φ18 | 132 | |
| 65 | 222 | 180 | 145 | 120 | 20-3 | 4-Φ18 | 145 | |
| 80 | 241 | 195 | 160 | 135 | 22-3 | 8-Φ18 | 180 | |
| 100 | 305 | 215 | 180 | 155 | 24-3 | 8-Φ18 | 189 | |
| 125 | 356 | 245 | 210 | 185 | 26-3 | 8-Φ18 | 226 | |
| 150 | 394 | 280 | 240 | 210 | 28-3 | 8-Φ23 | 237 | |
| 200 | 457 | 335 | 295 | 265 | 30-3 |
8-Φ23 12-Φ23 |
370 | |
| Part name | Material |
| Body | Grey Iron/Ductile iron |
| Ball | Gray cast iron chromium plating/201 |
| Stem | Carbon steel ,Stainless steel |
| Seal | PTFE |
| Packing | Flexible graphite |
| Handle | HT200/QT450-10 |
| Gasket | PTFE |
| Limited plate | Q235 |
| Packing Gland | HT200/ QT450-10 |
1. Simple structure, good manufacturing process, flexible and rapid opening and closing, and wide application range.
2. The valve stem adopts anti blow out structure to increase the safety of the ball valve.
3. The medium can flow in any direction from both sides of the valve body to achieve the purpose of connection or disconnection.
1. The valve shall be stored in a dry warehouse and shall not be stored in the open air.
2. For long-term storage, it shall be maintained regularly.
3. The product can be installed at any position and any pipeline, and the operating conditions shall be consistent with the requirements in the performance specification.
4. Pressure test shall be carried out before installation, and installation can only be carried out if it meets the requirements.
5. Clean the pipe and valve cavity before installation.
6. After the product is installed, it should not be subjected to large external force.
7. The direction of the handle shall be consistent with the direction of the square head groove of the valve stem.
8. When the local minimum temperature is lower than 4 ℃, thermal insulation protection shall be provided; As the end valve, it shall be heated by tracing pipe or jacket to prevent the pipe wall temperature from being lower than 0 ℃.
9. It is strictly prohibited to install and use it on the pipeline subject to vibration or sudden change of medium temperature.
| Possible failure | Cause of failure | Elimination method |
| Packing leakage |
1. Packing failure. 2. Packing is not compacted. 3. Insufficient packing. |
1. Replace the packing. 2. Compact the packing. 3. Add filler. |
| Leakage at middle mouth |
1. The middle flange bolts are not tightened. 2. The Sino French pad is damaged. |
1. Tighten the middle flange bolts. 2. Replace the middle flange gasket. |
| Leakage of sealing surface |
1. The middle flange bolts are loose. 2. The sealing surface is damaged or damaged. |
1. Tighten the middle flange bolts. 2. Trim the sealing surface or replace the parts. |
Contact Person: Ms. Ada Chen
