
iPAC Solutions
Valve Positioners
Analog Valve Positioner- SRI986
The electro-pneumatic Positioner SRI986 with analog input 0/4-20 mA (or optional with 0-10 VDC) is designed to operate pneumatic valve actuators and is available in the version EEx ia / intrinsic safety. The adaptation and settings of zero an span can easily be achieved by the knurled-head screw.
Analog (4 to 20 mA):
- Independent adjustment of zero and span
- Adjustable amplification and damping
- Split-Range up to 3-fold
Technical Data:
- Analog (0/4-20 mA): Load 200 Ohm (4 VDC at 20mA)
- Analog (0-10 VDC): 4-wire-version, operation by U/I-converter (on request)
Stroke 8 Common Features:
- to 100 mm (0.3 to 4 in); extended stroke range on request
- Angle range up to 120 degrees
- Characteristic curves by cams
- Supply air pressure up to 6 bar (90 psig).
- Low air consumption
- Low vibration effect in all directions
- Single or double-acting
- Mounting on linear actuators according to IEC 534, Part 6 (NAMUR)
- Mounting on rotary actuators according to VDI/VDE 3845
- Protection class IP 54, IP 65 (on request)
- Explosion protection: II 2 G EEx ia IIC acc. to ATEX, ?Intrinsic Safety? acc. to FM and CSA
- Certificate No. 90/20226 (E2) “Lloyd’s Register of Shipping” for use on vessels
Modular System for Accessories:
- Built-in independent inductive limit switches in 2-wire, 3-wire or microswitchtechnology (optional)
- Independent position feedback 4-20 mA (optional)
- Booster Relays with an air capacity of up to 110,000 ln/h (3,884 scfh)
- Connection manifolds and gauges.
