Foxboro SRI986-BIRS6ZZZNAG Electro-Pneumatic Positioner
The SRI986 Positioner is designed to control pneumatic valve actuators from control systems and electrical controllers with electric control signals.It is used to reduce the adverse effects of valve friction, for higher thrust and shorter positioning time.It offers an easy adjustment by two mechanical screws. For complete specification, refer to Product Specification Sheet PSS EVE0102 A-(en).
g Independent adjustment of stroke range and zero
g Adjustable amplification and damping
g Split range up to 3-fold possible
g Input Signal from 0 to 20 mA or 4 to 20 mA
g Supply pressure up to 6 bar (90 psig)
g Single or double acting
g Low vibration effect in all directions
g Mounting on linear actuators according to NAMUR:
IEC 534 Part 6 Stroke range 8 to 100 mm (0.3 to 4 in) (larger strokes on request)
Foxboro SRI986-BIRS6ZZZNAG Electro-Pneumatic Positioner
g Mounting on rotary actuators acc. to VDI/VDE 3845
for rotation angles up to 120°
• Angular range
linear: 30° to 120°
equal percentage: 90°; linear from 70°
g Protection class IP54 or IP65
g Explosion protection:
• II 2 G EEx i (intrinsic safety) according to ATEX
• Intrinsic safety according to FM and CSA
g Ambient temperature* –40 to 80°C (–40 to 176°F)
g EMC in accordance with the international standards and laws (CE)
g Additional Inputs / outputs (optional):
• Position feedback 4 to 20 mA
• Built-in independent inductive limit switches
(2-/3-wire) or micro switches
g Accessories
• Booster relay to minimize stroke time
• Fail Freeze/Fail in place relay
• Gauge Manifold
Foxboro SRI986-BIRS6ZZZNAG Electro-Pneumatic Positioner
Input
Signal range. . . . . . . . . . . . . . 0 to 20 mA/4 to 20 mA
Input resistance. . . . . . . . . . . < 200 Ohms at 20°C
Supply
Supply air pressure. . . . . . . . 1.4 to 6 bar (20 to 90 psig)
Supply air. . . . . . . . . . . . . . . . . free of oil, dust, water
according to IEC 654-2
Pneumatic connection
Female threads . . . . . . . . . . . G 1/8 acc. to ISO 228
Response characteristic
Amplification. . . . . . . . . . . . . . adjustable
Sensitivity. . . . . . . . . . . . . . . . . <0.1% F.S.
Non-linearity (terminal
based adjustment). . . . . . . . . <1.0% F.S.
Hysteresis. . . . . . . . . . . . . . . . <0.3% F.S.
Supply air dependency. . . . . <0.3%/0.1 bar (1.5 psi)
Temperature effect. . . . . . . . <0.5%/10 K
Mechanical vibration
10-60 Hz up to 0.14 mm,
60-500 Hz up to 2 g. . . . . . <0.25% of travel span
Foxboro SRI986-BIRS6ZZZNAG Electro-Pneumatic Positioner
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Foxboro SRI986-BIRS6ZZZNAG Electro-Pneumatic Positioner
If you have any interest, pls feel free to contact me as below
Jackie Ma
HONGKONG XIEYUAN TECH CO., LIMITED
Add:7-A16,Caishen Commercial Plaza,Hangkou Railway Station,Wuhan, China
M:86-(WhatsApp & Telegram) | T:+86-27-85887732 | F:86-27-85309780
Email:Jackie@hkxytech.com
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