| Process Control | Flow, Pressure, Temperature, Level |
|---|---|
| Attachment To | Linear Actuator, Single Acting |
| Reapeatability | ±0.3% F.S |
| Flow Rate | 10-100 L/min |
| Mounting Type | Inline |
| Deviation | ≤1 % |
|---|---|
| Media | Gas |
| Signal Range | 4 To 20 MA |
| Direction Of Action | Reversible |
| Sensitivity | ≤0.1 % |
| Valve Type | Valve Positioner |
|---|---|
| Set Point | 4 To 20 MA |
| Degree Of Protection | IP 66/NEMA 4X |
| Supply Pressure | 1.4 To 7 Bar (20 To 105 Psi) |
| Characteristic Deviation | ≤1 % |
| Deviation | ≤1 % |
|---|---|
| Model Number | 3730-3 Samson Valve Positioner |
| Degree Of Protection | IP 66/NEMA 4X |
| Static Destruction Limit | 100 MA |
| Sensitivity | ≤0.1 % |
| PRODUCT | Positioner |
|---|---|
| Operating Temperature | Standard Temperature, High Temperature |
| CONTROL LOOP | 4 To 20 MA |
| Travel Range | Adjustable Within The Initialized Travel/angle Of Rotation Of The Valve; Travel Can Be Restricted To 1/5 At The Maximum |
| Static Destruction Limit | 40 V, Internal Current Limit Approx. 40 MA |
| Attachment | Pipe Or Wall Mounting |
|---|---|
| Mounting Position | Upright, Condensate Drainage Downwards |
| Ambient Temperature | -40 … +60°C |
| Material | Steel |
| Weight, Approx. | 1.8 Kg |
| Attachment | Pipe Or Wall Mounting |
|---|---|
| Mounting Position | Upright, Condensate Drainage Downwards |
| Ambient Temperature | -40 … +60°C |
| Material | Steel |
| Weight, Approx. | 1.8 Kg |
| Communication Protocol | HART 7 (3730-3/3731-3) |
|---|---|
| Explosion Proof | 3730=No; 3731=Yes (ATEX/IECEx Ex D) |
| Input Signal | 4-20 MA Two-Wire System (300 Ω Electrical Load)SAMSON AG |
| Mounting Compatibility | Linear/Rotary Control Valves (NAMUR/VDI/VDE)SAMSON AG |
| Protection Class | IP 56/66, NEMA 4 (Aluminum Housing) |
| COMMUNICATION | HART® |
|---|---|
| CONTROL LOOP | 4 To 20 MA |
| Static Destruction Limit | 40 V, Internal Current Limit Approx. 40 MA |
| Model Number | 3730 |
| Operating Temperature | Standard Temperature, High Temperature |
| Temperature Range | Model-dependent (common 18–113 °C) |
|---|---|
| Setpoint Accuracy | ±2–3 °C |
| Pressure Rating | Up To 10–16 Bar (model-dependent) |
| Body Material | Cast Iron, Bronze, Stainless Steel |
| Connections | Flanged Or Threaded |