기기용 자동측정 및 제어장치 제조업

SEOJIN INSTECH, established in 1979, is a specialized manufacturer of on-site measurement instruments, primarily focusing on level sensors and flow meters. The company supplies measurement and control devices to various industrial sectors, including chemical facilities, food and feed, ceramics and mining, paper, textile, steel and metal, precision industries, wastewater and construction facilities, hydro and nuclear power generation facilities, and aerospace. It holds ISO9001 and KEPIC (Nuclear Quality Assurance Qualification) certifications, demonstrating its technological and quality competitiveness. The company is dedicated to securing core technologies in the knowledge-based instrumentation industry by applying digital HART (Smart) intelligent information transmission technology.

1979년 창립 이래 수위 및 유량 분야 현장 계측기기 전문 제조업체로서, 레벨 센서와 유량계를 주력으로 하는 기업. 화학설비, 식품사료, 요업광업, 제지, 섬유, 철강금속, 정밀산업, 오폐수 및 건설설비, 수화력 및 원자력 발전설비, 우주항공 등 다양한 산업 분야에 계측제어기기를 공급하는 역할. ISO9001 및 KEPIC(원자력품질보증자격) 인증을 획득하며 기술과 품질 경쟁력을 확보한 기업. 디지털 HART(Smart) 지능형 정보 전송 기술을 적용한 지식기반형 계측기 산업의 핵심 기술 확보에 주력하는 기업.

TYPE & MODEL	Liquid Flow Switch
PRINCIPLE	A reactive force is induced in the paddle in proportion to the rate of flow in the pipe, and the reaction in turn generates a proportional resistance in the control spring. Thus a variable force balance is maintained between the flow and the control spring until the flow exceeds a set flow rate. When the flow reaches the set point, the Reaction Plate activates the micro-switch to make or break the contacts.
RANGE	TEMPERATURE	PRESSURE
Standard PT 3/4" : 1" PT 1" : 3" Optional : 6"	Standard : -10℃∼80℃ Optional : -10℃∼100℃	Max. 10㎏/㎠
FEATURES	OUTPUT	APPLICATION
Small size of this instrument makes it easy to install in the field On/Off action of the switch is very definite, owing to the paddle style flow sensor. This device has an extremely long life expectancy since the movement of the paddle is transmitted to the switch through a flexible bellow. (Fatigue limit of the bellows is greater than 100,000 times.) Unitized construction of this model reduced the parts count, and made it simpler to assemble, thus a more reliable long-term working is expected. "Using an ABS case" led to a more attractive design and also made it highly corrosion resistant.	1 SPDT Contact capacity : 10A 250 VAC	Flowing tubes Coolant pump, motor
INDUSTRY	Building/Factory Automation, Industrial Plant, Petrochemistry, Environmental Water Treatment

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