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Kofloc, Model RK4400 Series-Precision Flow Meter for Pressure Regulator

Kofloc Model RK4400 Precision Flow Meter for Pressure Regulator

The KOFLOC RK4400 has been designed specially for connection to precision pressure regulators, and is widely used for cylinder regulators.

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Description

An area flow meter has a float in a conical cylinde (tapered tube) with a larger end in the upper section and a smaller end in the lower section. The float moves up and down according to the intensity of the flow, and the position at which the float balances indicates the flow rate. Not only simple flow meters that merely measure the flow rate but also flow meters with a valve for flow control, flow meters with a load pressure fluctuation type flow controller, flow meters with a supply pressure fluctuation type flow controller, and flow meters with an alarm switch are available.

The KOFLOC RK4400 has been designed specially for connection to precision pressure regulators, and is widely used for cylinder regulators.

Brand

Kofloc

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.

Features

  • The precision needle valve Model 2412 is used for easy, fine adjustment of flow.
  • The flow meter tube made by high-precision molding ensures excellent stability and repeatability even if it is inclined.
  • The material, cleaning method, and assembly are carefully designed for the use of high-purity, high-price standard gases so as to eliminate waste losses, reduce absorption of constituent gas and minimize generation of other types of gas from the parts.
  • For cylinder regulators
  • For line regulators

Specification

Flow rangeStandard 1-10ML/MIN, 5-50ML/MIN
10-100ML/MIN, 50-500ML/MIN
0.1-1L/MIN, 0.5-5L/MIN
1-10L/MIN, 1.5-15L/MIN
2-20L/MIN
Object gasAir,N2,O2,H2,He,Ar,CO2
For other gases, please consult us regarding conversion conditions
or calibration with the actual gas to be used. (Refer to page 56.)
AccuracyWithin FS ±2%
RepeatabilityWithin ±0.5% of reading
Proof pressure0.3MPa
Temperature resistance40℃ (MAX)
ScaleDirect reading or mm scale (Refer to page 57.)
Needle valvePrecision needle valve Model 2412 equivalent
Material of exhaust
gas section		(B) Pyrex, glass, SUS316, Brass, NBR, acrylic resin, fluorocarbon resin, glass
(SS) Pyrex, glass, SUS316, FKM, fluorocarbon resin, SUS304,glass
End connectionInlet: PF 1/4 thread
Outlet: Rc 1/4 (φ7 hose nipple) standard accessory

Additional Information

  • Almost all types of general cylinder regulators can be attached.
  • Refer to Model 7700 for a product equipped with a cylinder regulator.
  • Our company will select a needle valve. Be sure to clearly indicate the supply pressure (preset pressure of cylinder regulator).

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