Heavy Duty Stopper

RACT

Heavy Duty Stopper Actuator

Heavy Duty Stopper Actuator for molten iron.

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Product information

The RACT is designed to fit almost any tap out application in the molten iron industry. The mechanical parts and properties are very robust and the mounting is very flexible. There are many options like the possibility to rotate the rod and also an internal cleaning plunger to remove sludge. The drive system is available as either electrical or pneumatic. When used for filling molds in a fast operating line the drive system uses a servomotor system. RACT has been designed to work with the Precimeter ProV metal level sensor.

Advantages

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Product features
Laser sensor type
CD2350R3000
CD1000R900
CD1150R400
CD180R200
CD900R750
CD450R300
CD450R300
CD1500R1600
CD800R1500
CD900R500
CD700R300
CD450R300
CD300R300
CD240R325
Clearance distance
2350 mm (92.5")
1000 mm (39.4")
1150 mm (45.3")
180 mm (7.1")
900 mm (35.4")
450 mm (17.7")
450 mm (17.7")
1500 mm (59.0")
800 mm (31.5")
900 mm (34.4")
700 mm (27.6")
450 mm (17.7")
300 mm (11.8")
240 mm (9.4")
Measurement range
3000 mm (118.1")
900 mm (35.4")
400 mm (15.8")
200 mm (7.9")
750 mm (29.5")
300 mm (11.8")
300 mm (11.8")
1600 mm (63.0")
1500 mm (59.0")
500 mm (19.7")
300 mm (11.8")
300 mm (11.8")
300 mm (11.8")
325 mm (12.8")
Resolution
0.74mm (0.029")
0.22mm (0.009")
0.1mm (0.004")
0.05mm (0.002")
+- 1mm (0.04")
0.074mm (0.03")
0.074mm (0.03")
0.39mm (0.016")
0.37mm (0.015")
0.122mm (0.005")
0.08mm (0.003")
0.08mm (0.003")
0.08mm (0.003")
0.08mm (0.003")
Technical specifications

RACT - 1

Stroke:

RACT - 2

Travel time (full stroke):

RACT - 3

Positioning:

RACT - 4

Force:

RACT - 5

Power requirement:

Empty row

100 mm (4")
Less than 100ms
Servo motor
2000N (500 lbs)
380VAC 0.65kW
Options
Stopper rod holder:
Rod rotation function:
Pneumatic drive system:
Automated rod cleaning plunger:
Servomotor drive system for faster stroke time:
Emergency closing:
The rod holder fits most rod sizes
The rod is rotated to avoid leakage
A turning cylinder controlled by a proportional valve drives the actuator.
A steel plunger is driven through the rod to remove sludge
Stroke time could be less than 50ms
When power failure

Precimeter Group

Headquartered in Gothenburg, Sweden with three regional offices to serve customers throughout the world. 

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