iPAC Solutions

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.