| 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 |
| Supply Air | 2.5-10 Bar |
|---|---|
| Air Output Capacity | Up To 60 M³/h (with Two Modules) |
| Protection | IP66 |
| Ambient Temp | -40 °C To +85 °C |
| Housing | Aluminium, Stainless Steel |
| Power Supply | Loop Powered From 4-20mA Control Signal |
|---|---|
| Load Voltage | 11.0 VDC At 20 MA DC / 10.0 VDC At 4 MA DC |
| Acting Type | Single Or Double |
| Supply Medium | Air Or Nitrogen |
| Digital Communicatin | HART 7 |
| Power Supply | Loop Powered From 4-20mA Control Signal |
|---|---|
| Load Voltage | 11.0 VDC At 20 MA DC / 10.0 VDC At 4 MA DC |
| Acting Type | Single Or Double |
| Supply Medium | Air Or Nitrogen |
| Digital Communicatin | HART 7 |
| Power Supply | Loop Powered From 4-20mA Control Signal |
|---|---|
| Load Voltage | 11.0 VDC At 20 MA DC / 10.0 VDC At 4 MA DC |
| Acting Type | Single Or Double |
| Supply Medium | Air Or Nitrogen |
| Digital Communicatin | HART 7 |
| Minimum Required Operating Current | 3.6 MA |
|---|---|
| Input Pressure Range | 1.5 To 6.0 Bar |
| Repeatability | < 0.25% |
| Weight Of Valve Positioner | 3.5 Kg |
| Communication | HART 5, 6 And 7 |
| Operating Temperature | -55 °C To +85 °C (-67 °F To +185 °F) |
|---|---|
| Communications Protocol | Analog, HART, Foundation Fieldbus, Discrete I/O |
| Air Consumption | 0.3 SCFM (standard); 0.075 SCFM (low-bleed) @ 60 Psi |
| Output Capacity | 18 SCFM @ 60 Psi (standard/low-bleed Relay) |
| Diagnostics | Yes |
| Supply Pressure | Beta 5: 1.4-7 Bar (20-100 Psi) /Beta 7: 1.4-10 Bar (20-150 Psi) |
|---|---|
| Ambient Temperature | Standard: -40°C To +85°C (-40°F To +185°F) |
| Communication | HART 5/7, FF Foundation Fieldbus (Optional) |
| Application Industry | Oil & Gas, Chemical, Power Industry Valve Control |
| Ingress Protection (IP) | IP66/67 (Dust/Waterproof) |
| Output Pressure | 3-15 Psi (0.2-1.0 Bar) |
|---|---|
| Temperature Range | -40 °C To +82 °C |
| Enclosure Rating | Ip66 |
| Supply Pressure | 30-150 Psi (2.1-10.3 Bar) |
| Input Signal | 4-20 MA DC |
| Input Pressure | 1.4...6 Bar |
|---|---|
| Maximum Hysteresis | 0.3 % |
| Ambient Air Temperature For Operation | -40...80 °C (-40...176 °F) |
| Communication Port Protocol | HART, 4...20 MA Profibus FOUNDATION Fieldbus |
| Maximum Pressure | 6 Bar ,90 Psi |