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| Categories | Pneumatic Control Valves |
|---|---|
| Brand Name: | Flowserve |
| Model Number: | 520MD |
| MOQ: | 1 |
| Price: | US $1500.00 - 1880.00/ Set |
| Payment Terms: | T/T |
| Supply Ability: | 2000 sets per year |
| Delivery Time: | 60 days |
| Packaging Details: | As required |
| Input signal range: | 4 - 20 mA HART |
| Input pressure range: | 1.5 to 6.0 bar |
| Minimum required operating current: | 3.6 mA |
| Voltage supply (maximum): | 30 VDC |
| Humidity: | 0-100% Non-condensing |
| Company Info. |
| Xiangjing (Shanghai) M&E Technology Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
The cheapest way to go digital without losing reliability
The 520MD is the baby brother in the Logix family. It has the same basic auto-tune and LED display as the bigger ones but costs less. Plants use it on water valves, air dampers, and non-critical loops where they want digital features but can’t justify the full 3800 price. It still beats any pneumatic positioner on stability and air savings.
| Input | 4–20 mA (no HART) |
| Air supply | 20–150 psi |
| Accuracy | ±1% |
| Air consumption | 0.25 scfm steady |
| Temp | -40 °C to +80 °C |
Q: Does it have diagnostics?
A: Basic LED status, no full ValveLink.
Q: Can I upgrade to 3800 later?
A: Yes – same mounting, just swap the head.
Flowserve Flow Control
Phone: +8615000725058
Email: As required
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