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Series 70 Electric Actuator

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Torque: 300 to 18,000 in-lb (34-2030 Nm)
Voltage: VAC: 24, 120, 220 / VDC: 12,24
Standard Enclosure: NEMA 4, 4X
Explosion Proof: NEMA 4, 4X, 7 and 9


Bray Controls’ years of proven success in electric actuation, combined with innovative engineering, has produced the Series 70 electric actuator. The Series 70 features on/off or modulating control. Bray’s Series 70 electric actuator has many advantages over other actuators including:
• UL,CSA and CE certification of most units
• Wiring directly to the terminal strip without interference from other components
• Simple and unique manual override handwheel system
• Lowest profile and lightest weight actuator on the market
• Simple finger or screwdriver adjustment of travel limit cams without interference from other components
• Highly visible valve status display on most units


Designed like a junction box, the Series 70 offers by far the easiest access to terminal block wiring, cam adjustments and switch installation. Therefore, the time required for field startup and adjustment is greatly reduced, and maintenance can be performed with assured ease and safety.


Travel Limit SPDT Switches

Bray has provided two SPDT mechanical switches as standard. These durable, high quality switches are mechanically isolated and electrically independent. The dedicated circuits eliminate any voltage crossover between the switches. This switch combination is used for both open and closed positions of the valve and requires only one cam for each direction of valve travel. Bray’s design provides synchronicity between motor control and position display. Switches are easily accessible without interference from other components. Each switch is marked with open or close labels and the cams are color coded, green for open and red for close, eliminating the possibility of incorrect wiring.


Cam Adjustment

Bray’s patented cam design is an outstanding feature of the Series 70. Cams for each switch are infinitely adjustable by finger touch or screwdriver with no special tools needed. The adjustment knobs rotate the specially formed cams. Each cam is color coded – the red adjustment knob controls the red cam (close position), and the green knob controls the green cam (open position). Standard factory setting allows 90° travel between open and closed positions.


Conduit Entries

Two connections in either NPT or metric threads. One entry is for power, the other for control wiring.


Explosion Proof Enclosure

The Series 70 optional waterproof/ explosion proof unit is UL NEMA 4,4x listed and certified to specifications for USA & Canadian hazardous locations Class-I C&D Div 1&2; Class-II GRPS EF&G Div 1&2. The rugged, heavy duty housing contains precision machined bores and flanges to meet flame path requirements. Waterproof/Explosion proof models are currently available with 800 to 2,000 in-lb. output torque, continuous or intermittent duty.






 MORE IMAGES 

·  Bray Series 70 Cutaway


 DOWNLOADS 

Series 70 Electric Actuator Brochure
(PDF, 2835KB)

Series 70 Data Sheet
(PDF, 7118KB)

Series 70 Electric Actuator Operation Manual
(PDF, 3262KB)

Bray Full Line Overview
(PDF, 2496KB)

Compare Items
   
  Results 1 - 13 of 13 1 

Item #

Size

Torque Output (lb-in)

Series 70 - Size 003 003 300
Series 70 - Size 006 006 600
Series 70 - Size 008 008 800
Series 70 - Size 012 012 1200
Series 70 - Size 020 020 2000
Series 70 - Size 030 030 3000
Series 70 - Size 050 050 5000
Series 70 - Size 065 065 6500
Series 70 - Size 130/131 130/131 13,000
Series 70 - Size 180/181 180/181 18,000
Series 70 - Size 708 708 800
Series 70 - Size 712 712 1200
Series 70 - Size 720 720 2000
  Results 1 - 13 of 13 1