Xiangjing (Shanghai) M&E Technology Co., Ltd
| 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 |
| Brand Name | Flowserve |
| Model Number | 520MD |
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Product Specification
| 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 | Brand Name | Flowserve |
| Model Number | 520MD | ||
| High Light | Flowserve Logix 520MD valve positioner ，HART digital valve positioner ，precise control valve actuator | ||
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2015
Total Annual:
30,000,000-50,000,000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
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