Xiangjing (Shanghai) M&E Technology Co., Ltd
| Payment Terms | T/T |
| Delivery Time | 60 days |
| Packaging Details | Carton + Wooden crate + Protective packaging |
| Supply Ability | 500 units per year |
| Load impedance | ≤ 8.2 V |
| Minimum current | 3.6 mA for display, 3.8 mA for operation |
| Permissible ambient temperature | -20 to +80 °C, with metal cable gland -40 to +80 °C |
| Output signal | 4 to 20 mA |
| Supply voltage | 12 to 30 V DC |
| Brand Name | Samson |
| Model Number | 3730-3 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Delivery Time | 60 days |
| Packaging Details | Carton + Wooden crate + Protective packaging | Supply Ability | 500 units per year |
| Load impedance | ≤ 8.2 V | Minimum current | 3.6 mA for display, 3.8 mA for operation |
| Permissible ambient temperature | -20 to +80 °C, with metal cable gland -40 to +80 °C | Output signal | 4 to 20 mA |
| Supply voltage | 12 to 30 V DC | Brand Name | Samson |
| Model Number | 3730-3 | Place of Origin | China |
| High Light | HART communication valve positioner ，Samson 3730-3 electropneumatic controller ，pneumatic valve positioner with warranty | ||
The SAMSON Type 3730-3 is an advanced electropneumatic positioner designed for precise control in pneumatic control valves. It assigns the valve position (controlled variable x) to a 4-20 mA DC control signal (reference variable w), ensuring accurate regulation of linear or rotational travel. Suitable for direct attachment to Type 3277 actuators or via IEC 60534-6 (NAMUR) standards, it supports rotary actuators with VDI/VDE 3845 compatibility. Featuring HART communication for seamless integration, it includes built-in diagnostics like EXPERT+ for early fault detection. This positioner is ideal for industrial environments requiring reliable valve positioning, with options for explosion protection and additional equipment like solenoid valves or position transmitters.
| Parameter | Details |
|---|---|
| Nominal Travel | Direct: 3.6-30 mm; IEC 60534-6: 3.6-200 mm; Rotary: 24°-100° |
| Travel Range | Adjustable within nominal, max ratio 1:5 |
| Reference Variable | 4-20 mA, 2-wire, min span 4 mA, min current 3.8 mA |
| Supply Air | 1.4-6 bar, ISO 8573-1 Class 4/3/3 |
| Signal Pressure | 0 bar to supply, limitable to 1.4/2.4/3.7 bar ±0.2 bar |
| Characteristic | Linear, equal percentage, user-defined; Deviation ≤1% |
| Hysteresis | ≤0.3% |
| Sensitivity | ≤0.1% |
| Transit Time | Adjustable up to 240 s |
| Air Consumption | ~110 l_h/h (steady state) |
| Ambient Temperature | -20 to +80°C (-40°C with metal gland) |
| Degree of Protection | IP 65 |
| Electromagnetic Compatibility | EN 61000-6-2/3, NAMUR NE 21 |
| Binary Contacts | 1 fault alarm, 2 software limits; Operating voltage per EN 60947-5-6 |
The Type 3730-3 excels in challenging transit times and ambient conditions, throttling service, and scenarios requiring external travel sensors. It's commonly used in process industries for linear/rotary control valves, such as globe or butterfly valves, ensuring precise flow control in chemical, oil & gas, and manufacturing plants. Examples include limiting valve travel for minimum/ maximum flow or adapting to oversized valves.
Phone/WeChat/WhatsApp: +8613916209596
Email: svetama@gbsxj.com
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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