Automatic Flow Control Valve
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HG8303 series automatic flow control valve consists of a preset flow control valve and an actuator. It is designed for non-corrosiveliquid flow control in pipelines.
The automatic control valve has pressure balancing function and high sensitivity. It features low noise, enhanced reliability, modular structure design, and is maintenance free. Through the throttling valve and according to the standard drawing, it supports fast and convenient flow adjustment. The automatic flow control valve can also be used for many more control purposes through combining with other functional units.
| Nominal diameter | DN15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250mm | |
| Nominal pressure | PN16, PN40 | |
| Flange standard | HG20592-2009, ANSI, JIS, DIN, GB, JB | |
| Valve body material | Cast iron, cast steel, cast stainless steel | |
| Valve core material | Rigid seal | Stainless steel |
| Flexible seal | Rubber ring coated stainless steel | |
| Pressure balancing system | Stainless steel bellows (DN15-DN125), balancing diaphragm (DN150-250) | |
| Effective area (m2) | 250 | 630 |
| Flow controller differential pressure ( MPa ) | 0.02:0.05 | |
| Max. differential pressure between the upper and lower chambers ( MPa ) | 0.4 | 0.15 |
| Material | Diaphragm cover: galvanized steel plate Diaphragm: EPDM or fiber reinforced FKM | |
| Control tube and connectors | Copper tube or steel tube 10 x 1; Ferrule connector R 1/4" | |
| Setting value tolerance | ± 8% | |||
| Allowable leakage (under standard testing conditions) | Rigid seal | 4 x0.01% rated valve capacity | ||
| Flexible seal | DN15-50 | DN65-125 | DN150-250 | |
| 10 bubbles / min | 20 bubbles / min | 40 bubbles / min | ||
| Nominal diameter | 15-125mm | 150-250mm | |
| Sealing form | Rigid seal | ≤ 150 ℃ | ≤ 140 ℃ |
| 2 chilling tanks ≤ 200 ℃ | 2 chilling tanks and extension unit ≤ 200 ℃ | ||
| Flexible seal | ≤ 150 ℃ | ||
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