Xiangjing (Shanghai) M&E Technology Co., Ltd
| Supply Ability | 600 units per year |
| Analog Input Signal | 4-20 mA DC |
| Payment Terms | T/T |
| Supply Voltage | 8-30 VDC |
| Delivery Time | 65 days |
| Available Mounting | Sliding-stem Linear; Quarter-turn Rotary Applications |
| Packaging Details | Carton + Wooden crate + Protective packaging |
| Electrical Connection | 1 /2 NPT internal or M20 |
| Communication Protocol | HART 5 or HART 7 |
| Model Number | Logix 520MD |
| Place of Origin | China |
| Brand Name | Flowserve |
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Product Specification
| Supply Ability | 600 units per year | Analog Input Signal | 4-20 mA DC |
| Payment Terms | T/T | Supply Voltage | 8-30 VDC |
| Delivery Time | 65 days | Available Mounting | Sliding-stem Linear; Quarter-turn Rotary Applications |
| Packaging Details | Carton + Wooden crate + Protective packaging | Electrical Connection | 1 /2 NPT internal or M20 |
| Communication Protocol | HART 5 or HART 7 | Model Number | Logix 520MD |
| Place of Origin | China | Brand Name | Flowserve |
| High Light | Flowserve Logix 520MD digital positioner ，ASCO solenoid valve HART control ，pneumatic control valve with warranty | ||
The Flowserve Logix™ 520MD+ is a two-wire, 4-20 mA digital valve positioner that uses the HART protocol for bidirectional communication. It is a fully electronic and pneumatic closed-loop instrument designed for precise stem-position control of single- or double-acting linear and rotary actuators. The positioner is powered solely by the 4-20 mA loop (minimum start-up current 3.8 mA) and incorporates an inner-loop (pilot-relay) and outer-loop (stem-position) control algorithm. Local configuration is possible via DIP switches, buttons and optional LCD; advanced diagnostics and configuration are performed with ValveSight DTM software or a HART handheld communicator.
| Parameter | Value |
|---|---|
| Power / Signal | Two-wire 4-20 mA; Compliance 10.0 VDC @ 20 mA (520MD+) |
| Minimum operating current | 3.8 mA |
| Air supply | 1.5–6.2 bar (single-acting) / 1.5–10.3 bar (double-acting) |
| Output capacity (single-acting) | 9.06 Nm³/h @ 1.5 bar; 20.8 Nm³/h @ 4.1 bar |
| Output capacity (double-acting) | 14.3 Nm³/h @ 1.5 bar; 30.6 Nm³/h @ 4.1 bar |
| Performance (25 in² Mark I) | Resolution ≤ 0.25 %, Linearity ±1.25 %, Hysteresis ≤ 1.0 % |
| Operating temperature | –52 °C to +85 °C |
| Housing | Cast aluminum, IP65 / NEMA 4X |
| Weight (base unit) | 1.76 kg (single-acting) / 1.88 kg (double-acting) |
Precise positioning of control valves in oil & gas, refining, chemical, power generation and general process industries where HART diagnostics, hazardous-area certification and high-resolution control are 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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