| Ambient Temperature | -40°C To +80°C (-40°F To +176°F) |
|---|---|
| Hysteresis | < 0.1% |
| Output Pressure | 0 - 100% Of Supply Pressure |
| Air Consumption | Typically < 0.1 Nm³/h (at Steady State) |
| Hazardous Area Certification | ATEX, IECEx, FM |
| Ingress Protection | IP66 |
|---|---|
| Diagnostics | Yes |
| Air Consumption | 0.3 SCFM (standard); 0.075 SCFM (low-bleed) @ 60 Psi |
| Communications Protocol | Analog, HART, Foundation Fieldbus, Discrete I/O |
| Operating Temperature | -55 °C To +85 °C (-67 °F To +185 °F) |
| Repeatability | +/- 0.2% F.S. |
|---|---|
| Air Consumption | 0.9 SCFM @ 20 Psi |
| Valve Position Confirmation | 4- 20mA Output Monitoring Signal (same Type As Input Signal) |
| Supply Pressure | 20 To 100 Psi (filtered, Dry, Oil Free Air) |
| Air Connections | 1/4" NPT |
| Temperature Range | -40 ... +85 °C / -40 ... +185 °F, Standard Version |
|---|---|
| Temperature Range(arctic Version) | -53 ... +85 °C / -63 +185 °F |
| Communication | HART, FOUNDATION Fieldbus, Profibus PA |
| Protection Class | IP66 / NEMA 4X Enclosure |
| Supply Power | Loop Powered, 4-20 MA |
| Digital Positioner | 4 - 20 MA (HART) |
|---|---|
| Communication Protocol | HART |
| Humidity | 0-100% Non-condensing |
| Shell Material | Industrial Aluminum Housing |
| Compliance Voltage | 10 VDC |
| Connection Type | Threaded/Flanged |
|---|---|
| Port | Main Ports In China |
| Temperature Compensation | (0.1 To 60.0)oC (auto Or Manual) |
| Flow Characteristics | Linear, Equal Percentage, Quick Opening |
| Measurement Principle | Vortex |
| Maximum Hysteresis | 0.3 % |
|---|---|
| Stroke Range | 8-260 Mm |
| Model Number | SRD991 |
| Input Pressure | 1.4-6 Bar |
| Linearity | < 0.4 % Of The Travel Span |
| Max Outlet Pressure | 145 Psig |
|---|---|
| Diagnostics | Yes |
| Supply Media | Air, Natural Gas, Nitrogen |
| Process Control | Flow, Pressure, Temperature, Level |
| Packaging Details | Cardboard box |
| Input Signal | 4-20 MA HART (load Voltage Typ. 6.6 V) |
|---|---|
| Packaging Details | Carton + Wooden crate + Protective packaging |
| Delivery Time | 60 days |
| Payment Terms | T/T |
| Supply Ability | 600 units per year |
| Hysteresis | ≤0.3 % |
|---|---|
| Degree Of Protection | IP66 |
| Minimum Current | 3.6 MA For Display 3.8 MA For Operation |
| Static Destruction Limit | 100 MA |
| Signal Range | 4 To 20 MA |