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Specifications - Honeywell 4000 Series Product Data

Direct coupled valve actuators
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ML6984, ML7984 DIRECT COUPLED VALVE ACTUATORS

SPECIFICATIONS

IMPORTANT:
The specifications given in this publication do not include
normal manufacturing tolerances. Therefore, an individual
unit may not exactly match the listed specifications. Also,
this product is tested and calibrated under closely
controlled conditions and some minor differences in
performance can be expected if those conditions are
changed.
Ambient Rating:
Operating Temperature:
0°C to 55°C (32°F to 130°F)
Shipping Temperature:
-40°C to +65°C (-40°F to 150°F)
Relative Humidity:
15% to 95% at 40°C (104°F) non-condensing
NEMA-3R/IP54 cover for outdoor installation
Acoustic Noise:
55 dBA max. Sound Pressure Level at 1 m (39")
distance.
Electrical Ratings:
Power supply/consumption:
24V (+10%, -15%), 50/60 Hz or 28 Vdc +/- 10%
6VA(Running), 12 VA(Valve seating)
Inputs:
M7984 - 2 -10 Vdc (1 mA)
M6984 - 25 mA 24 Vac
Input Imdepance for the ML7984:
Voltage Model — 20 KΩ
Current Model — 237 Ω
ORDERING INFORMATION
When purchasing replacement and modernization products from your wholesaler or distributor, refer to the price
sheets for complete ordering number, or specify—
1. Model number.
2. Valve body type and model number.
3. Accessories, if desired.
If you have additional questions, need further information, or would like to comment on our products or services,
please write or phone:
1. Your local Honeywell Home and Building Control Sales office (Check white pages of your phone directory).
2. Honeywell Customer Care
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9
International Sales Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, United Kingdom, U.S.A.
Shipping Weight:
Approx. 1 kg (2.2 lbs)
Accessories/Parts:
272630A—Auxiliary switch assembly (1-SPDT)
272775—Replacement motor brush kit
40003793-005—Mounting hardware bag assembly
272630D—Electronic low voltage auxiliary switch,
position feedback assembly
272822—Resistor kit for multiple Series 90 application
and for ML7984 to replace the old ML784 (4-20 mA)
43196000-001 High temperature kit
272629A mounting adapter for V5045 valves
Mechanical Ratings:
Stroke—Between 1/2" (13 mm) and 1" (25 mm), self-
adjusting
Bonnet—1 3/8" (35 mm)
Stroke timing—Nominal 63 seconds for 3/4" stroke,
proportional to stroke length at 24 Vac
Closing Force—710 N (160 lbs.) minimum at 24V ac.
Force varies 22 N/V (5 lbs./volt).
Performance Specifications:
Minimum Signal Input Duration: 200 ms
Life Expectancy — (at rated load and power conditions)
50,000 full stroke cycles plus 1,000,000 repositions of
10% stem travel or 10 years, whichever occurs first.
Hysterysis — 5%
Short and rapid cycling/repositioning will result in possible
device lock-up or reduced service life.
2

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This manual is also suitable for:

Ml6984Ml7984