Kofloc 8700 SERIES Mass Flow Controllers

Description

The Kofloc Model 8700 Series is designed to meet the rigorous demands of modern fluid management. At its core is a high-sensitivity thermal mass flow sensor that measures gas flow independently of temperature and pressure variations. This sensor is paired with a fast-acting, high-resolution proportional solenoid valve that allows the controller to reach its set-point stability in 2 second.

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A Mass Flow Controller (MFC) is a device used to precisely regulate and control gas mass flow in various industrial and laboratory processes. Unlike conventional flow meters, which only measure velocity or volume, an MFC can both measure and regulate gas flow based on mass, resulting in much more accurate results—especially in applications that require tight and consistent control, such as the semiconductor, pharmaceutical, chemical, and gas analysis industries.

Brand

Kofloc

The natural environment is preserved through the balance of solids, liquids and gases that exist on the earth. However, human civilization has caused pollution that has greatly damaged our environment. The task of the present generation is to restore our environment to its natural healthy state. And this is also the greatest challenge for 21st century science and technology.

KOFLOC's corporate motto is "A Scientific Approach for Fluids." In other words, we create products that scientifically measure and control the balance of liquids and gases. We trust that through our work we are making a contribution to the regeneration of the environment and to the establishment of a prosperous society.

Specifications

Sensor type Thermal sensor
Valve TYpe Proportional solenoid valve (normally closed)
Applicable gas N₂ (Air, H₂, He, Ar, O₂, CO₂)
Full-scale flow rate 10SCCM to 20SLM
Control range 2 to 100%F.S.
Response Within 2sec (within ±2% F.S.)
Accuracy ±1%F.S. (25%)
Repeatability ±0.5%F.S.
Max. inlet pressure 500kPa(G)
Proof preasure 1MPa(G)
Allowable ambient temperature 5 to 50℃
Accuracy guarantee temperature 15 to 35℃

Features

Dual Interface: Supports both analog control and RS485 digital communication.
Wide Flow Range: Available in configurations ranging from 10 SCCM to 20 SLM ( $N_2$ equivalent).
Robust Construction: Machined SUS316 body for enhanced durability and gas compatibility.

Applications

Furnace Atmosphere Control: Managing precise ratios of inert and process gases in heat treatment.
Analytical Instrumentation: Regulating carrier and detector gases for GC and TOC analyzers.