Page 1
4-3/8 [111.13]
4X M8X1.25
1
SERIES 265
PRECISOR® II PNEUMATIC AND ELECTRO-PNEUMATIC POSITIONERS
Rotary Operation, Field Selectable Cam Design, 316 Stainless Steel Models
VALVES
7-1/4 [184.00]
8-25/32 [223.04]
6-1/2
[165.51]
6-9/16
[166.69]
[25.00]
3-1/4
[83.01]
Series 265NR
1-25/32
[45.24]
Series 265ER
3/8
[10.01]
1-5/8
[40.00]
2-3/8
[60.01]
[4] M8X1.25P
4X M8X1.25
1-31/32
[50.01]
2-1/2
[65.02]
[8] M8X1.25P
2-3/4
[69.85]
2-3/8
[59.99]
3-19/32
[91.29]
3-5/8
[91.49]
2-3/4
[70.00]
Proximity Series 265 Precisor® II Pneumatic and Electro-Pneumatic Positioners
combine outstanding performance with an extremely low price, making it an
exceptional value for industrial applications. Rotary valves with single or double acting
pneumatic actuators can be precisely controlled, such as our ball and buttery valves.
The Precisor
4-20 mA or pneumatic 3 to 15 psig input signal, based on the model chosen and is
user-selectable for single or double action. Its rugged, durable design makes it ideal
for use in harsh environments, while maintaining precise, accurate positioning of
the control elements. Includes a bracket for mounting onto actuators with NAMUR
standard connections, and features a versatile linear cam for direct action, reverse
action, or split ranges.
BENEFITS/FEATURES
• Field selectable cam for direct or reverse acting
• User selectable for single or double action
• Highly visible indicator for local indication
• IP66 enclosure rating
APPLICATIONS
• Rotary valves with single or double acting pneumatic actuators
MODEL CHART
Model Input Lever Type Enclosure
265NR-D5
265ER-D5
ACCESSORIES
Model Description
A-228
A-332
®
II positioner proportionally modulates the valve from either an electric
3 to 15 psig
4-20 mA
SS steel ex hose, 12˝ (30.48 cm) L, 1/8˝ male NPT connections
Brass adaptor, 1/8˝ female NPT to 1/4˝ male NPT
NAMUR
NAMUR
Aluminum
Aluminum
SPECIFICATIONS
Input Signal: Pneumatic: 3 to 15 psig (0.2 to 1 bar); Electro-pneumatic: 4-20 mA
DC.
Input Impedance: 250 ±15 Ω (265ER only).
Enclosure Material: Aluminum diecasting or 316 SS.
Air Supply: 20 to 101 psig (1.4 to 7.0 bar).
Air Supply Connection: 1/4˝ NPT.
Gage Connection: 1/8˝ NPT.
Electrical Connection: Screw terminal.
Conduit Connection: 1/2˝ NPT (265ER only).
Linearity: ±2% FS.
Hysteresis: 1% FS.
Sensitivity: ±0.5% FS.
Repeatability: ±0.5% FS.
Air Consumption: 0.10 SCFM (3 LPM) at 20 psig (1.4 bar) supply.
Flow Capacity: 28 SCFM (80 LPM) at 20 psig (1.4 bar) supply.
Stroke: 0 to 90°.
Enclosure Rating: IP66.
Temperature Limits: -4 to 158°F (-20 to 70°C).
Weight: 265NR: 3.1 lb (1.7 kg); 265ER: 6.2 lb (2.8 kg).
Compliance: CE (265ER only).
Pneumatic hosing and ttings
Hosing and ttings for connecting positioners, current to pressure transducers, air
lter gauges and other accessories to pneumatic actuated valves.
Positioners
USA: California Proposition 65
WARNING: This product can expose you to chemicals including Lead, which is known to the State
of California to cause cancer and birth defects or other reproductive harm. For more information go
to www.P65Warnings.ca.gov.
Filters and Regulators: See page 446
DWYER INSTRUMENTS, LLC | dwyer-inst.com
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