Page 1
Model
2 NPT
1-1/4 SQ
[31.75]
1-1/2
[38.1]
1-3/4
[44.45]
TUBE
CONNECTOR
3/8 NPT
FLOAT TUBE
AND SWITCH
STATION
Ø2-1/16
[Ø52.39]
2-1/8
[53.98]
TUBE
UNION
TUBE
UNION
2-1/8
[53.98]
FLOAT TUBE
AND SWITCH
STATION
Ø2-1/16
[Ø52.39]
TUBE END
FITTINGS
1-3/16
[30.16]
7/8
[22.23]
1/2˝
NPT
1 FITTING
ASSEMBLY
2˝ NPT
PIPE
MOUNTING
1/2
[12.70]
1/2
[12.70]
2
EXTENSION
TUBES
1-1/8
[28.64]
1 TUBE
END FITTING
2 BUNA-N
FLOATS
1-1/4
[31.75]
4 TUBE
UNIONS
1/2
[12.70]
7/8
[22.23]
1-31/32
[49.91]
2 SWITCHES
1/2
[12.70]
4
[101.60]
2-1/2
[63.50]
7/8
[22.23]
1-29/32
[48.67]
12
[304.80]
2 NPT
TUBE
CONNECTOR
FLOAT TUBE
AND SWITCH
STATION
TUBE
UNION
TUBE
UNION
FLOAT TUBE
AND SWITCH
STATION
TUBE END
FITTINGS
10-29/32
[276.99]
9-7/32
[234.19]
8
[202.97]
2 SWITCHES
1/2
[12.70]
4
[101.60]
2
EXTENSION
TUBES
1/2
[12.70]
12
[304.80]
1/2˝
NPT
1 FITTING
ASSEMBLY
2˝ NPT
PIPE
MOUNTING
7/8
[22.23]
2-1/2
[63.50]
10-29/32
[276.99]
9-7/32
[234.19]
7-63/64
[202.97]
1/2
[12.70]
4 TUBE
UNIONS
1/2
[12.70]
7/8
[22.23]
1-31/32
[49.91]
1-1/8
[28.64]
1 TUBE
END
FITTING
2 BUNA-N
FLOATS
1-1/4
[31.75]
7/8
[22.23]
1-59/64
[48.67]
2 NPT
1-1/4 SQ
[31.75]
1-1/2
[38.1]
1-3/4
[44.45]
TUBE
CONNECTOR
3/8 NPT
FLOAT TUBE
AND SWITCH
STATION
1-11/16
[42.86]
2-1/8
[53.98]
TUBE
UNION
TUBE
UNION
2-1/8
[53.98]
FLOAT TUBE
AND SWITCH
STATION
1-11/16
[42.86]
TUBE END
FITTINGS
1-3/16
[30.16]
ø1-7/8
[46.1]
ø1-7/8
[46.1]
F7-MLK2
Multi-Level Switch Kit
316 Stainless Steel, One or Two Station Level Switch, Vertically Mount
LEVEL
Level Switches,
The F7-MLK2 Multi-Level Switch Kit contains all the components necessar y for the
design and fabrication of a 1 or 2 station level switch for pipe plug mounting. The user can
customize stem length (maximum 36˝), actuation point, distance between floats, and lead
wire lengths. Model F7-MLK2 is constructed of 316 SS—ideal for chemicals, corrosive liquids,
oils, or high pressure applications. Model F7-MLK2 includes two level stations with floats
(switch, tube, and float), two extension tubes 10˝ (254 mm) length, three tube unions, one
tube connector, one end fitting, and one mounting plug.
Float
Model F7-MLK2, Multi-Level Switch Kit
324
DWYER INSTRUMENTS, INC. | www.dwyer-inst.com
SPECIFICATIONS
Service: Compatible liquids.
Wetted Materials (Float/Stem): 316 SS.
Temperature Limits: -40 to 275°F (-40
to 135°C).
Pressure Limits: 750 psi (52 bar).
Switch Type: SPST, selectable NO or
NC.
Electrical Rating: 20 VA: 0.8A @ 240
VAC, 0.17A @ 120 VAC, 0.3A @ 30
VDC.
Electrical Connections: 18 AWG x 60˝
(152 cm) wire leads.
Process Connections: 2˝ male NPT
pipe plug.
Mounting Orientation: Up to 30° angle
from vertical.
Stem Length: 36˝ (91 cm) maximum.
Tube Diameter: 1/2˝ OD.
Minimum Specific Gravity: 0.75.
Weight: 3.3 lb (1.6 kg).
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