Kofloc 2450 SERIES Bellows Needle Valve

Description

The Kofloc 2450 SERIES is designed specifically for environments where even the smallest amount of atmospheric contamination or gas leakage is unacceptable. In traditional valves, the sliding motion of the stem against a seal can eventually lead to wear, creating potential leak paths or shedding particles into the flow stream. The 2450 Series solves this by using a high-durability stainless steel bellows that completely isolates the valve’s moving parts from the fluid path.

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The Kofloc 2450 Series is a specialized line of Bellows Needle Valves designed specifically for applications where gas or fluid leakage is a critical concern. Unlike standard needle valves that rely on O-rings or packing, the 2450 Series uses a bellows seal to create a hermetic barrier between the process fluid and the environment.

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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

Applicable fluids
gas N2, Air, He, Ar, O2, CO2
liquid H2O
Max Flow rate
gas 5mL/min to 50L/min (air at 20℃, 0,1MPa differential pressure) up to woring conditions, for details see the reference data
liquid 5mL/min to 1L/min (H2o at 20℃, 0,1MPa differential pressure)

Features

Bellows Seal Technology: Provides a perfect hermetic seal, eliminating stem leakage and preventing external air from entering the system.
Particle-Free Design: No sliding seals in contact with the fluid, making it ideal for ultra-high purity (UHP) gas delivery.
SUS316L Stainless Steel Body: High-grade materials ensure compatibility with corrosive gases and aggressive chemical reagents.

Applications

High-Vacuum Systems: Serving as a reliable gas ballast or leak-tight isolation valve for vacuum chambers.
Specialty Gas Distribution: Regulating toxic, corrosive, or flammable gases where external leakage must be prevented.
Analytical Instrumentation: High-sensitivity mass spectrometry and gas chromatography requiring zero atmospheric contamination.
Nuclear & Energy Research: Handling isotopes or sensitive gases in sealed experimental loops.