Bray series 64 positioner for rotary actuators, Pneumatic actuator & accessories – Bray Pneumatic Actuators & Accessories User Manual
Page 12

All information herein is proprietary and confidential and may not be copied or reproduced without the expressed written consent of BRAY INTERNATIONAL, Inc.
The technical data herein is for general information only. Product suitability should be based solely upon customer’s detailed knowledge and experience with their application.
Pneumatic Actuator & Accessories
Series 64 : 12
All information herein is proprietary and confidential and may not be copied or reproduced without the expressed written consent of BRAY INTERNATIONAL, Inc.
The technical data herein is for general information only. Product suitability should be based solely upon customer’s detailed knowledge and experience with their application.
Pneumatic Actuator & Accessories
Series 64 : 12
Bray Series 64 Positioner For Rotary Actuators
TECHNICAL SPECIFICATIONS
• MATERIALS
Body: Anodized Aluminum
Diaphram: BUNA-N (Nitrile)
Valve Spool: Stainless Steel
Cover: Polycarbonate
• CONNECTIONS
Supply – 1/4” NPT or 1/4” BSP
Cylinder ports ‘E’ and ‘F’ – 1/8” NPT or 1/8” BSP
• AIR SUPPLY
30 to 100 Psi (max. 150 Psi)
2 to 7 Bar (max. 10 bar)
• AMBIENT TEMPERATURE LIMITS
-5°F to 160°F. (moisture free air)
-21 °C to 71°C
• CONTROL ACTIONS
(Direct or Reverse) The direction of operation
can be changed without any additional parts,
by turning the cam over and reversing air
connections to the actuator
• RANGE ADJUSTMENT + 1 Psi (0.7 Bar)
• PRINCIPLE OF OPERATION
Positioning is based on a force balanced
principle
• ACCURACY WITH LINEAR CAM
1% of full range.
• STANDARD CAM WITH 3 PRESSURE
RANGES (LINEAR CHARACTERISTICS)
Direct-Action and Reverse-Action
3-15 Psi 0-90° (0.2 - 1 Bar)
3-15 Psi 0-65° (0.2 - 1 Bar)
3-9 or 9-15 Psi 0-65° (0.2 - 0.6 or 0.6-1 Bar)
• AIR CONSUMPTION
0.6 SCFM in Balanced Condition with 60 Psi
(4 bar) Supply pressure
• START POINT SELECTION
0-9 Psi (0-0.6 Bar)
• MOUNTING POSITION
Can be mounted in any position
• POWER AMPLIFICATION
Less than 2% deviation in signal or stroke,
produces full output pressure
• WEIGHT 1.8 lbs. (0.8 Kg)
• SENSITIVITY
Output is sensitive to change in control-air
pressure as small as 0.1% of full range
• ACCESSORIES
Gauges
Supply air filter