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Home Valves Bray Actuators Electric Actuator Series 70
Scotch Yoke Pneumatic Actuator Series 98
Scotch Yoke Pneumatic Actuator Series 98
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Electric Actuator Series 70-HAZ
Electric Actuator Series 70-HAZ

Electric Actuator Series 70

Output Torque
120/230V: 300 to 18,000 in-lb (34-2034 Nm)
24V: 600 in-lb (68 Nm)
2000 in-lb (226 Nm)
5000 in-lb (565 Nm)
Voltages
120, 230 VAC 50/60 Hz, 1-phase
24V: AC/DC
Enclosure Ratings
NEMA 4, 4X and IP65, IP67
Category: Actuators
  • Description
Description

Specifications

Electric Actuator – Series 70

Output Torque
120/230V: 300 to 18,000 in-lb (34-2034 Nm)
24V: 600 in-lb (68 Nm)
2000 in-lb (226 Nm)
5000 in-lb (565 Nm)
Control Options
On-Off: 120/230 VAC Interposing Relay Board (I.R.B.)
24V: AC/DC Controller
Modulating: Servo NXT Controller
Communication Protocols: Servo NXT DeviceNet
Voltages
120, 230 VAC 50/60 Hz, 1-phase
24V: AC/DC
Power Source
24-27VAC or 30-38VDC
70-DNS: VAC:120
70-NXT: 120/220 VAC 50/60Hz, 24V AC/DC
Enclosure Ratings
NEMA 4, 4X and IP65, IP67
Input Signal
On-Off: 120/230 VAC
24V: AC/DC
Modulating: 4-20 mA
0-10V, 0-5V, 2-10V
Mounting
ISO 5211
Motor
120/230 VAC: Single phase, reversible, permanent split capacitor induction motor
24V: Permanent magnet-brush DC motor
Temperature Range
-20°F (-29°C) to 150°F (+65°)
Switch Options
2 SPDT mechanical switches standard
Additional auxiliary switches available (up to 6 total)
Optional torque switches available.
Certifications
UL, CSA and CE approved (most models)
70-24V: CSA and CE approved
Valve Compatibility
Quarter Turn Valve

Features & Benefits

Output Torque 300 in-lb (34 Nm) to 18,000 in-lb (2,034 Nm)

Decades of Bray’s 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 and offers 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

  • Conduit Entries

  • Hazardous Location

Features

ENCLOSURE: The low profile weatherproof actuator is UL listed Type 4, 4x and IP65. Polyester powder coated die-cast aluminum cover and base, for exceptional corrosion, wear, impact and ultraviolet resistance.

HIGH VISIBILITY POSITION INDICATOR: Prominently labeled and color coded yellow for open, red for close – the display indicates valve position through the full range of travel. The O‑ring sealed dome is made of high impact, heat, chemical and ultraviolet resistant clear polycarbonate and designed to withstand caustic wash down ensuring excellent corrosion protection.

CAPTIVE COVER BOLTS: The cover is attached to the base by captive stainless steel bolts placed outside the sealing area.

O-RING SEAL FOR WATERTIGHT ENCLOSURE: The O-ring seal between the cover and base provides a weatherproof seal preventing internal corrosion.

MANUAL OVERRIDE: Standard on all models. The declutchable manual override prevents handwheel movement during motor operation. When manual operation is desired, pull the handwheel out exposing a yellow stripe around the handwheel shaft. This indicates the handwheel is engaged and manual operation is available.

MANUAL OVERRIDE SWITCH: Interrupts power to the motor when handwheel operation is engaged.

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

MOTOR GEAR: High torque start motor assembly. Designed for fast inspection and maintenance.

OUTPUT DRIVE: Self-locking worm shaft and worm gear assembly holds the valve in desired position.

MECHANICAL TRAVEL STOP BOLTS: Designed to prevent over-travel in the open or close direction during manual operation. Travel stop bolts include a locknut to prevent loosening, seals to prevent water ingress, and spacers to prevent adjustment between 0° and 90° limit switch settings. Travel stop bolts permit 5° of over travel.

TERMINAL STRIP: Actuator limit switches are pre-wired to an easily accessible and clearly marked terminal block for customer wiring. The terminal strip has been placed near the two conduit entries with ample room for running wire leads. An easily accessible green plated ground screw is provided. A wiring diagram is included inside the cover for easy reference.

LIMIT SWITCH BRACKET: Simple and secure design to firmly hold limit switch assemblies for accurate and repeatable valve position feedback.

LIMIT SWITCH CAMs: Bray’s patented CAM design includes standard green (open) and red (close) CAMs which are adjustable with finger touch or screwdriver with no additional tools. Standard factory setting allows 90° travel between open and close positions.

ROLLER BEARING: Provides low friction while securely aligning actuator indicator shaft and CAMs for reliable valve position feedback.

OLDHAM COUPLER: Corrects any misalignment between the valve and actuator without introducing side load to the position indicator shaft assembly.

INTERPOSING RELAY BOARD (IRB), Standard: 120/220 VAC 50/60Hz On/Off control

Optional:

  • Servo NXT Modulating Controller: 120, 220, 1 phase 24 VDC
  • 24V On/Off Controller

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Electric Actuator Series 70-HAZ

Output Torque
800 to 2,000 in-lb (90-226 Nm)
Voltages
120/220 VAC
Enclosure Ratings
Class I, DIV 1 & 2, Group C, D Class II, DIV 1 & 2, Group E, F, G

High Temperature Pneumatic Actuator Series 92/93-XT

Output Torque
Up to 44,130 in-lb (4,986 Nm)
Temperature Range
0°F to 350°F (-18°C to 176°C) 4 hours at 482°F (250°C)
Pressure Ratings
Up to 140 psig (10 B

Manual Operator Chainwheel

Output Torque
Power Source
Manual
Control Options

Manual Operator FTG Series

Output Torque
5,310 to 70,000 lb-in (600 to 7,900 Nm)
Power Source
Manual

Manual Operator Series 01

Output Torque
Resilient seated valves sizes 1”-12” (25mm - 300mm) High pressure valves from 2 1/2”- 8” (65mm - 200mm)
Power Source
Manual Operation
Control Options
Optionally available are an infinite position plate, a 180° notch plate, a memory stop, a padlock kit, and a 2” square nut version

Manual Operator Series 04

Output Torque
2000-24000 in-lbs
Power Source
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Manual

Manual Operator SRH Series

Power Source
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Valve Compatibility
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Scotch Yoke Pneumatic Actuator Series 98

Output Torque
2,744 to 885,100 in-lb (310 to 100,000 Nm)
Temperature Range
-50°F to 300°F (-46°C to 149°C)
Pressure Ratings
40 - 150 psi (2.8 - 10.3 bar)
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