Variable Primary Pressure Flow Controller (Not subject to supply pressure variations) MODEL 2204 SERIES

Variable Primary Pressure Flow Controller (Not subject to supply pressure variations)

MODEL 2204 SERIES

Model 2204 Variable Primary Pressure Flow Controller is a control valve that always keeps flows at a constant rate under a given constant level of secondary pressure (outlet pressure) even when the primary pressure (inlet pressure) fluctuates. The built-in precision needle valve accurately
controls flows to the set flow rate, including ultra-minute flows.

Features

1.Stable flow control
A non-rotary needle valve composed of high-precision components ensures smooth control of even ultra-minute flows.
2.Not subject to supply pressure fluctuations
Flows
are protected from being affected by primary pressure (supply pressure)
fluctuations, under a given constant level of secondary pressure
(outlet pressure).
3.Cleanliness ensured
All
the high-precision components are super-cleaned before assembly so that
the product can be safely used even on high-sensitivity instruments for
analysis for which cleanliness is essential.

Applications

1.Physical and chemical appliances
2.Control of the second-stage operation of pumps
3.Various instruments for analysis
4.Environmental instrumentation systems 

Standard Applications

Rated flow ranges : Gas: 10 ML/min–10 L/min

Control
accuracy : Within the set flow ±2% when the primary pressure (inlet
pressure) changes by 0.3MPa in                              a range
between 0.07 MPa and 0.8 MPa.

Number of turns of regulating screw : Approx. 12 turns

Maximum operating pressure : 0.8 Mpa

Maximum operating temperature : 60℃

Materials of parts in contact with fluids : (A) Al, brass, POM, NBR, SUS316
                                                          (SS) SUS316, fluorocarbon resin, FKM

Connection end : Rc 1/8 (M8 + Rc 1/8)

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Kofloc Variable Secondary Pressure Flow Controller MODEL 2203 SERIES

Variable Secondary Pressure Flow Controller (Not subject to outlet pressure variations)

MODEL 2203 SERIES

A flow controller is a differential pressure regulator designed to control minute gas flows with precision and keep a certain constant flow rate. Model 2203 Variable Secondary Pressure Flow Controller is a control valve that keeps mass flows at a constant rate under a given constant level of supply pressure even when the load pressure on the secondary side (outlet side) fluctuates, and its construction is designed so that the performance of its precision control over flows to the set flow rate is maintained by the incorporated precision needle valve without being affected by such fluctuations.

Features

1.Stable flow control
   A non-rotary needle valve composed of high-precision components ensures smooth control of minute flows.
2.Not subject to load pressure fluctuations
  
The incorporated precision needle valve protects flows from being
affected by secondary or outlet pressure fluctuations, so the product is
a ‘must-be’ tool in the first stage of any flow control line.
3.Cleanliness ensured
  
All the components are super-cleaned before assembly so that the
product can be safely used even on instruments for analysis for which
cleanliness is essential.

Applications

1.Gas chromatographs
2.Environmental instrumentation systems
3.Gas mixing systems in various fields 

Standard Applications

Rated flow ranges : Gas: 10 ML/min–20 L/min

Control accuracy : Change in reading within 1.0% of change in load pressure
                           (Inlet-outlet pressure difference must be at least 0.05 MPa.)

Number of turns of regulating screw : Approx. 12 turns

Maximum operating pressure : 0.8 Mpa

Maximum operating temperature : 60℃

Materials of parts in contact with fluids : (A) Al, brass, POM, NBR
                                                          (SS) SUS316, fluorocarbon resin, FKM

Connection end : Rc 1/8 (M8 + Rc 1/8)

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Kofloc Multiple Rotation Type Large Capacity Simplified Needle Valve MODEL 2400D SERIES

Multiple Rotation Type Large Capacity Simplified Needle Valve

MODEL 2400D SERIES

Of
all our products with a very small flow controlling function, this is a
comparatively large flow control valve. This is a low-cost needle valve
with a simple structure.

Features

1.Precision machining ensures satisfactory control characteristics.
2.In
comparison with commercial simplified types, the number of revolutions
of this needle valve is a maximum of 12 revolutions, permitting very
smooth flow control. 

Standard Spesifications

Number of turns of regulating screw : Approx. 8–10 turns

Needle : 2 types

Maximum operating pressure : 1 Mpa

Materials of parts in contact with fluids : (A) Al, brass, NBR, POM, SUS303
                                                          (S) SUS304, FKM, fluorocarbon resin,　SUS303

Connection end : Rc 3/8, Rc ¼

Fluids : Gas and liquid

Rated flow ranges : See the table below.

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Kofloc Large Capacity Precision Needle Valve (for Stable Control) MODEL 2412D SERIES

Large Capacity Precision Needle Valve (for Stable Control)

MODEL 2412D SERIES

 

This large capacity needle valve exhibits high performance in precision control of comparatively large flow. The needle valve is a larger version of our precision needle valve (Model 2412) that has time-tested reliability, and is suitable for stable control in a comparatively large flow range of 50–300 l/min (0.1 MPa).

Features

1.The rotational motion of the flow control screw is changed into a linear motion to ensure smooth  flow control without causing a screw gap.
2.The completely clean inside of the valve permits clean flow control.
3.Special grease is used for the section not in contact with liquid to ensure outstanding durability.

Standard Spesifications

Number of turns of regulating screw : Approx. 8-12 turns

Needle : 3 types

Materials of parts in contact with fluids : (A) Brass, Al, NBR, POM
                                                          (SS) SUS316, FKM, fluorocarbon resin

Connection end : Rc 3/8, Rc ¼

Fluid : Gas and liquid

Rated flow ranges : See the table below

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Kofloc Multidial Type Precision Needle Valve MODEL 2412M SERIES

Multidial Type Precision Needle Valve (Ideal for restriction of flows by dial control operation)

MODEL 2412M SERIES

 

This is an enhanced model of the KOFLOC Precision Needle Valve Model 2412 (see page 102), which now incorporates a multidial that allows the user to set desired flow rates by dial operations. This valve makes the most of the rotationto-flow linearity and repeatability performance of the 2412 needle.

Features

1.Since a precision needle valve usually has superior flow characteristics and repeatability, it can be  used in place of a needle valve flowmeter.
2.Wide variations are available for both the needle valve (Type T,Type L, and so on) and the multidial (Standard Type, Round Type,and so on).
Note: No scale calibration is required for the multidial.

Applications

1.Detection of deteriorated filters
2.Substitute for a flowmeter
3.Detection of fluctuations of flow path resistance

Standard Spesifications

Regulating screw rotating speed : Multidial: 10 turns (Overscale possible)

                                                 Needle valve: Approx. 12 turns

Multidial scale : 3-digit setting (000-999)

Multidial type : A: Standard multidial
                            B: Round multidial

Fluids : Gases and liquids

Connection end : Rc1/4; Rc1/8 (Optional)

Rated flow ranges : See Table of Rated Flow Ranges for Model 2412　

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Kofloc Simplified Panel-mount Miniature Needle Valve MODEL 2400 SERIES

Simplified Panel-mount Miniature Needle Valve

MODEL 2400 SERIES

This is a miniature needle valve at an affordable price with simplified construction that allows easy control of operation for fine regulation of gases and liquids. Its simplified structure is comprised of the components that are the minimum requirement, avoiding overspecification.

Features

1.Panel-mount miniature type
   Compact, space-saving, and ideal for mounting on the　instrumentation　board
2.Compatible with both gases and liquids
3.All precision-machined components are perfectly cleaned   before assembly to ensure cleanliness of the product for the customer’s use with peace of mind. 

Applications

1.For flowmeters and pressure gauges
2.For pollution-related instruments and analyzers
3.For gas/liquid flow controls at laboratory
4.For integration into instrumentation boards
5.For sampling systems 

Standard Spesifications

1.       Number of turns of regulating screw : Approx. 12 turns (Effective number of turns:5–12)

2.       Needle : 3 types

3.       Maximum operating pressure : 0.6 Mpa

4.       Fluids : Gas and liquid

5.       Materials of parts in contact with fluids : (B) Brass, NBR, SUS303, POM

                                                           (S) SUS304, FKM, SUS303, fluorocarbon resin

Connection end : Rc ¼

Rated flow ranges : See the table below.

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KoflocBellows Needle Valve (for rigid control of leaks) MODEL 2450 SERIES

Bellows Needle Valve (for rigid control of leaks)
MODEL 2450 SERIES

 
This bellows seal type needle valve has been specifically developed so that it can satisfy the requirements for such areas in which leak is a concern of vital importance. Model 2450 Bellows Needle Valve has a construction to drastically prevent fluid leaks. In addition, it is outstanding in heat resistance and corrosion resistance, so the customer can use it with peace of mind not only in such adverse conditions where high vacuum, high pressure, high temperature or extremely low temperature is present but also for corrosive, toxic or costly fluids.

Features :
1.Stringent leak test (2 x 10-8 Pam3/sec)
   100% leak test is conducted before shipping, using a helium leak detector.
2.Use of a precision needle
    The incorporated non-rotary type needle provides precise, smooth control of minute flows.
3.Compatible with both gases and liquids
4.Superior temperature characteristic
    Flows are scarcely affected by ambient temperature fluctuations, remaining within an insignificant  range of flow variations.
This superior temperature characteristic is applicable to gases only, and not to liquids, because the viscosity of a liquid may greatly vary depending upon the temperature conditions.

Applications :
1.For vacuum systems
2.For semiconductor manufacturing lines
3.For production lines where toxic or corrosive gases are present

Standard spesifications :
Rated flow ranges : See the table below
Number of turns of regulating screw : Approx. 13–16 turns (Effective number of　turns: 5–16)
Maximum operating pressure : 1 Mpa
Maximum operating temperature : 120℃
Fluids : Gas and liquid
Materials of parts in contact with fluids : SUS316, fluorocarbon resin, FKM
Connection end : 1/4 swagelok (for joint) * Optional: 1/8SW

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Kofloc Precision Needle Valve w/Non-rotary Needle MODEL 2412 SERIES

Precision Needle Valve w/Non-rotary Needle

MODEL 2412 SERIES

This
needle valve has been designed to control minute gas and liquid flows
with precision and ease. Design allows the rotation of the regulating
screw to transform into linear motion of the needle without subjecting
the needle to gaps and/or vibrations produced by the screw, so smooth,
stable flows can be ensured.

Features

1.Capable of controlling ultra-minute flows
    Very accurate, stable control of ultra-minute flows up to 1 ml/min possible
2.Wide variations of needle type
   15 types of needles are available for your choice of the type that best suits your needs.
3.Needle of non-rotary structure
   Because this valve is constructed so that the rotation of the regulating screw
is transformed into linear   motion of the needle, the valve has a
longer life in addition to superior control performance.
4.Superior temperature characteristic (15-35°C)
  
The valve counts on an outstanding temperature characteristic (flow
fluctuations remain within an insignificant range of 0.3%/°C to ambient
temperature variations) thanks to the temperature compensation system
incorporated in the valve’s needle and orifice. This temperature
compensation system is a utility model of KOFLOC registered at the
United States Patent and Trademark Office. (Optional specification for
needles #SS1 to #3B-BS)
This
temperature compensation system is applicable to gases only, and not to
liquids, because the viscosity of a liquid may fluctuate depending upon
the temperature conditions. 

Applications

1.For accurate control of minute flows of gases and liquids 

Standard Spesifications

Rated flow ranges : Rated flow ranges

Number of turns of regulating screw : Approx. 12 turns

Maximum operating pressure : 1.0 Mpa

Maximum operating temperature : (B) 70℃
                                                  (SS) 120℃

Materials of parts in contact with fluids : (B) Brass, POM, NBR
                                                          (SS) SUS316, fluorocarbon resin, FKM

Fluids : Gas and liquid

Connection end : Rc 1/4 (standard)

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Kofloc Flow Meter with Flow Controller MODEL 2503F SERIES

Flow Meter with Flow Controller (Not Subject to Load Pressure Change)

MODEL 2503F SERIES

The constant flow valve Model 2203 that permits constant flow and the precision flow meter RK1400 are combined in this flow meter to permit high-precision measurement and control of a wide flow range, from very small flow to medium flow, when the pressure on the load side (outlet side) changes.

Features

1.This flow meter ensures constant flow under constant pressure on its inlet side even if the load pressure loss on the outlet side changes.

2.The measuring section of the flow meter is based on the highprecision float type flow meter RK1400.

3.The precision valve permits smooth and stable control of very small flow.

4.Constant pressure on the inlet side eliminates pressure errors of the float type flow meter, allowing a complete flow control system to be configured.

Standard Spesifications

1. Fluids : Air,N2,O2,H2,He,Ar,CO2 (Calibration with actual gas) For other gases, please consult us regarding  conversion conditions or calibration with the actual gas to be used.
           * Option: Scales for two types of fluids

2. Flow range (FS) : From 1–10 ML/MIN to 2–20 L/MIN (Refer to the Capacity Table on page 55.)

3. Accuracy : FS ±2% (Measurement point) (under specified constant primary pressure)

4. Control pressure : The pressure difference between inlet and outlet must be 0.05 MPa or more.

5. Proof pressure : 5 L/MIN or less: 0.8 MPa
                             10 L/MIN or more: 0.5 Mpa

6. Available scale : 10:1
    a). Body block
         SS : SUS316
                Al : Al, Brass
     b).   Tapered tube : Pyrex®, glass
     c).   Packing
               SS : FKM
               Al : NBR
     d).   Float :  Pyrex, SUS316, glass
     e). Protective cover : Acrylic resin
     f). Heat resistance : MAX60℃
    g). Connection : Rc 1/4 (Standard), Rc 1/8 (Optional)

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Brainchild Human Machine Interface (HMI) Type 750

Human Machine Interface (HMI) Type 750

Description

SmartPanels are new Human Machine Interface (HMI) / Operator Interfaces, WinCE 6.0, LED technology, Wide panels, higher resolution, and four sizes in 4.3”, 7”, 10” & 15”. Ethernet, USB host, 2 Serial ports, SD, Audio input/output. Extensive connectivity to MPI/Profibus-DP, ProfiNet, DeviceNet, EtherNet/IP. CANopen,BACnet/IP & CC-Link. Metal/Stainless steel enclosures for rugged environments. Vertical/Horizontal installation. IP66K for Food, Beverage, Pharma and Oil & Gas. 

As a professional and experienced manufacturer, we supply high-performance and quality human machine interfaces (HMI), which are also called operator panels,operator interfaces, operator interface terminals, HMI, industrial HMI, HMI screen, and HMI touch screen.

Features

•Six models in four sizes of 4.3”, 7”, 10” & 15”

•Two low-cost models HMI 450 & 730 with optional Ethernet and SD slot, three high-performance HMI 750, 1050, 1060 (wide screen) & 1550 with standard Ethetnet and SD slot.

•Touch panels, higher resolution and all in 65536 colors

•USB host, 2 Serial ports.

•Net works of Profibus-DP, ProfiNet, DeviceNet & EtherNet/IP, CANopen, CC-Link.

•Advenced and reliable WinCE 6.0 platform with more features for efficient and sophisticated control solutions

•HMI 750, 1050, 1550 standard aluminum front bezels, optional stainless steel fronts for food, beverage, pharmaceutical industries

•Rugged stainless steel front bezels with IP66K for high protection on dust & water, and polished surface for easy cleaning

•Large memory of 128 MB Flash, 256MB SDRAM, sound input + output, 3DI + 3DO

•USB Host port used for Keyboard, USB stick and mouse

•Horizontal or vertical installation and display

•Wide range of power supply 11-36 VDC or 90-250 VAC

•LED backlight for even-color displays and long lifetime

•Open WinCE 6.0 Core & Professional panels for OEM business

Specification

Display
Size	7″
Resolution (W x H in pixels)	800 x 480
Display type	TFT wide touch screen
Colors	65,536
Touch screen Type	Resistive analog
Active Display Area ( W x H mm )	152 x 91
Display position	Both horizontal & vertical
MTBF backlight at 25 °C	50,000 hrs
Backlight	LED
Brightness Adjustment	Yes
Screen Saver	Yes
Language Fonts	Unicode including Simplified and Traditional Chinese, Japanese & Korean

Main Hardware
Processor, CPU speed	ARM Cortex-A8, 667Mhz
Flash Memory (ROM)	128 MB
SDRAM (RAM)	256 MB
Operation System	WinCE 6.0
Real Time Clock	Yes
Buzzer	Yes
Sound Input+Output,3DI+3DO	Option
SD card slot	Yes

Interfaces
RS232C, DB9 Male	1
RS232C/ RS422/ RS485, DB25 Female	1
Ethernet 10/100 Mbps, RJ45	1
USB Host	1

Other Networks
PROFIBUS-DP, PROFINET	Option
DeviceNet, EtherNet/IP	Option
CANopen	Option
CC-Link	Option

General Specifications
Power Supply	11-36VDC,90-250VAC
Consumption (w/o sound output)	12 W
Power on LED indicator	Yes
Outer dimensions (W x H x D mm)	212 x 156 x 57
Mounting depth (mm)	51
Panel cutout (W x H mm)	197+1 x 141+1
Protection	IP65 front, IP20 rear
Front bezel, housing	Aluminum, plastic
Stainless Steel front bezel (option)	Option, IP66K
Installation	Panel Mount
Net Weight (Kgs)	1.4

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