SG-3 series pressure control switch is a mechanical pressure control device used to control the automatic start and stop of the air compressor within the preset pressure value range. The device is flexible to install, easy to use and durable. Closed and with a relief valve to avoid motor load starting, which is more energy-saving and environmentally friendly. The combination with Bama assembly is convenient for users to install and use directly. Special specifications can be customized according to customer requirements.
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technical parameter: |
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unit conversion: 1kgf/cm2=14.2PSI 1Bar=14.5PSI |
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Model |
Pressure adjustment range kgf/cm2
(PSI)
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Differential pressure range kgf/cm2
(PSI)
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Factory setting shutdown pressure kgf/cm2
(PSI)
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Rated voltage/current |
Common interface standards |
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SG-3 |
4.0-16.0
（55-232）
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2.0-5.0
（30-70）
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8.0
（115）
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240VAC/20A
(16A)
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G1/4,G3/8,R1/4,R3/8,NPT1/4,
RP1/4
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SG-3 order number: interface form + interface thread + relief valve form + relief valve inner diameter + factory setting shutdown pressure |
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Interface form |
Display method |
Interface thread |
Display method |
Relief valve form |
Display method |
Relief valve inner diameter |
Display method |
Clamp form |
Representation |
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Plastic bottom plate single pass |
A |
G1/4 |
1 |
Copper valve |
T |
￠6.1 |
1 |
Plastic clip |
A |
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Plastic base plate cross |
B |
G3/8 |
2 |
Zinc valve |
X |
￠6.4 |
2 |
Wire clip |
B |
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Iron bottom plate single pass |
C |
ZG1/4 |
3 |
Plastic valve |
S |
none |
3 |
Certified wire clip hole |
C |
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Iron base plate cross |
D |
ZG3/8 |
4 |
Valveless |
W |
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Certified wire clip hole |
D |
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Iron shell single pass |
E |
NPT1/4 |
5 |
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Iron shell spool |
F |
RP1/4 |
6 |
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Example: SG-3A1T1/8kgf/cm2 is a single universal G1/4 thread, the inner diameter of the copper relief valve is ￠6.0, and the factory setting shutdown pressure is 8kgf/cm2
Example: SG-3D5X2C/8kgf/cm2 is iron base plate with NPT1/4 thread, inner diameter of zinc relief valve ￠6.4, factory setting shutdown pressure 8kgf/cm2
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