Lefoo - Air compressor and pump Pump pressure …LF10-W series pressure switches provide time...
Transcript of Lefoo - Air compressor and pump Pump pressure …LF10-W series pressure switches provide time...
B C D E
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NC
1.8-4.0bar 8-10bar
2-4bar1-3bar1-6bar
5-14bar
10
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female
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R1/4
R1/2
G1/4
G1/2
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Φ6.0mm
Φ6.4mm
Φ6.5mm
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B C
E
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0
1
2
3
4
5
6
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Unloader Valve
Air With
F
Air compressor and pump pressure switch
Pressure setting:Cut in 7.5bar
Number Unloader Valve Type
Unloader Valve Connection
Connection Size
Connection Type
Handle Type
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single port
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four ports
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three ports
without
D vertical
without without
F ON/OFF Knob
ModelOperating
Pressure RangeFactorySettingDifferential
ElectricalRating
ContactArrangement
Media
Conversion: 1kgf/cm²=14.2psi 1bar=14.5psi
1.4-3.5bar 6-8bar
Dimension in:mm
single port
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female
male
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B C
B
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Conversion: 1kgf/cm²=14.2psi 1bar=14.5psi Other connections are available on request.
15-82psi
NC
R1/4
R3/8
G1/4
G3/8
1
2
3
4
5
6
Number
C
30-100psi
20-35psi
30-50psi
15-30psi
20-35psi
NO
35-150psi 30-40psi
80-15psi
100-30psi
150-35psi
50-30psi
100-75psi
125-95psi
17-30psi
25-30psi
30-45psi
11
Pump pressure switch
Contact Type: NC NO Pressure setting:Cut in 35psi
7
8
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ModelOperating
Pressure RangeFactorySetting Differential
ElectricalRating
ContactArrangement ConnectionMedia
Water
Water
Water
Water
Water
Water
Connection SizeConnection Type
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Dimension in:mm
LF19 Order Ref NO
LF19 - 4 1 1 1 2 1 - 7.5 - 10.5bar
Cut off 10.5bar
LF19 pressure switches provide time tested, reliable control for automatic water systems. The switch is universally acceptable for use as original equipment on water well pumps or pumping systems. It is available with an On-Off knob for manual cut off the pump.
1/4NPT
1/2NPT
Specification
LF19 2-11bar250VAC
16A/25A
LF10-W series pressure switches provide time
tested, reliable control for automatic water
systems. The switch is universally acceptable
for use as original equipment on water well
pumps or pumping systems.
LF10-WS and LF10-WR Order Ref NO
LF10(A) - W(S or R) - 1 1 1 - 30 - 50psi
Cut off 50psi
G1/4 Bolt Connectin
3/8NPT
1/4NPT
NPT1/4 Long Male
Specification
LF10-WS
(LF10A-WS)
LF10-WR
(LF10A-WR)
85-115psi
120VAC、20A
(120VAC、26A)
240VAC、12A
(240VAC、26A)
240VAC、20A
(120VAC、26A)
240VAC、12A
(240VAC、26A)
1/4NPT
Male or
Female
1/4NPT
Male or
Female
84
76
65
93.9
32.2
71.5
118.5
64.8