UE开关J402-533双触点不锈钢微压开关（[U.S. UE switch national general agent] J402-533 double contact stainless steel micro pressure switch ）

[U.S. UE switch national general agent] J402-533 double contact stainless steel micro pressure switch pressure switch is widely used in high and low pressure protection control of household, commercial and auto refrigeration systems, steam working conditions and power stations; accumulators, receivers Tanks, flash tanks, separators, scrubbers, refinery units. It is also applicable to the high and low pressure protection control of various equipment tools. However, in the selection of pressure switches, the following points must be paid attention to:1. The necessity of explosion-proof: explosion-proof forms are divided into flameproof type and intrinsically safe type. 2. Do you need to bring instructions: according to customer instructions. 3. Number of contacts: one contact (one output) or two contacts (two outputs). 4. Determination of setting value and pressure range: the recommended setting range is between 30% and 65% of the pressure range, and the settable range is between 15% and 90% of the pressure range. 5. The form of connection difference: adjustable or fixed. 6. Whether there is pulsation: If the pressure pulsates or vibrates, a throttle valve is required to suppress the damage to the instrument caused by the pulsating pressure. 7. Occasions with a diaphragm: When measuring corrosiveness, high viscosity or high temperature, it is necessary to use a diaphragm. Multi-point switching output for alarm and shutdown or pre-alarm and alarmHigh/low limit control or liquid level controlWater treatment and filtration systemsIndustrial sterilizersPump systems and compressorsMany other industrial processes J400series main models and featuresJ400 type, single-point output, internally adjustable J402type, dual-point output, internally adjustableJ403 type, three-point output, internally adjustable)

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