VIEWEG DV-5625-U Manual de usuario

VIEWEG

Dosier- und Mischtechnik

Made in Germany

Instruction Manual

Diaphragm Valve DV-5625-U / SS

V1.1 AUG 2014

VIEWEG

Instruction Manual Diaphragm Valve DV-5625-U / SS

Contents:

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . Page 3

2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . Page 3

3 Port Description . . . . . . . . . . . . . . . . . . . . . . . . Page 4

4 Operation Principles . . . . . . . . . . . . . . . . . . . . . . Page 5

5 Operating Procedure . . . . . . . . . . . . . . . . . . . . . . Page 6

5-1 Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6

5-2 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . Page 9

6 Sectional Drawing & Dimension, Parts List . . . . . . . . . . . . . Page 11

7 Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . Page 12

VIEWEG

Instruction Manual Diaphragm Valve DV-5625-U / SS

1. Introduction

The DV-5625-U /SS is a diaphragm valve designed for precise flow control of low to medium

viscosity materials (under 10,000 cps). The valve is ideal for dispensing cyanoacrylates, reagents,

electrolytes, glues, solvents, paints, alcohol and other volatile substances. Shot sizes may be fine

tuned by turning the stroke adjustment knob at the top of the valve.

2. Specifications

DV-5625-U DV-5625SS

Operating Air Pressure 4.0 ... 6.0 bar 4.0 ... 6.0 bar

Material Delivery Pres-

sure

Max 5 bar Max 5 bar

Maximum Number of

Cycle

500 cycles /min 500 cycles /min

Flux (KV value) 0.3l / min 0.3l / min

Minimum Shot Size 0.001 ml (material dependant) 0.001 ml (material dependant)

Valve Structure Diaphragm Valve Diaphragm Valve

Weight 87 g 87 g

Driving Part Materials Body : AL (Hard coated, Black)

Piston : SUS303

Piston Seal : NBR

Body : AL (Hard coated, Black)

Piston : SUS303

Piston Seal : NBR

Wetted Part Materials Valve Head : UHMW-PE

(option : PTFE, PEEK, Acetal)

Diaphragm : UHMW-PE

Valve Head : Stainless Steel

(option : PTFE, PEEK, Acetal)

Diaphragm : UHMW-PE

Connecting Ports Operating Air Inlet: M5

Material Inlet: 1/8”

Material Outlet: Luer Lock

Operating Air Inlet: M5

Material Inlet: 1/8”

Material Outlet: Luer Lock

VIEWEG

Instruction Manual Diaphragm Valve DV-5625-U / SS

3. Part Description

1 0 5

1 0 5 1

Copy 1

copy 1 copy 2 copy 3

Stroke Adjust Knob:

You con control the flux. If you lock

the knob the stroke will be shorter. In

this way you can decrease the flux.

Driving Part:

should not touch material

Material Input G1/8“:

Material output:

Connection type is (Luer-Lock)

Stroke index Tape:

The range of stroke for flux control

is 0 ... 0,6 mm. This range is con-

verted into circle type.

Reference Mark:

Air in Port (M5)

Check Port:

This checks if diaphragm is damaged.

( In case of damage materials will be

leaked )

Diaphragm:

Diaphragm acts as a seal between

driving Part and liquid contacting

part.

Chamber:

Diaphragm acts as a seal between

driving Part and liquid contacting

part.

Dosing needle:

Choose proper needle according

to the dispensed material and its

amount.

Mount Hole:

(opposite side) M5

Dosing Part:

( Material touched )

VIEWEG

Instruction Manual Diaphragm Valve DV-5625-U / SS

4. Operation Principles

Dispensing OFF Dispensing ON

1 0 5

1 0 5 1

Copy 1

copy 1 copy 2 copy 3

In the “Normal” state (air off), the

diaphragm is closed – material is

not dispensed.

When air is applied, the diaphragm is opened and

material is dispensed.

Because "Air" is not entering into

the driving parts, the diaphragm

is closed. In this case, the material

path is closed, so material is not

dispensed.

If air is applied to the valve, the diaphragm will

open. At this time material will be dispensed.

You can increase or decrease the shot volume by

adjusting the stroke (shot volume control knob).

Notice

The maximum stroke length is 0.6mm

(1 rotation). There is no effect after turning the

knob more than (1) rotation.

Material

input

Material

output

1 0 5

Copy 1

copy 1 copy 2 copy 3

1 0 5

1 0 5 1

Copy 1

copy 1 copy 2 copy 3

1 0 5

1 0 5 1

Copy 1

copy 1 copy 2 copy 3

1 0 5

Copy 1

copy 1 copy 2 copy 3

1 0 5

short Stroke long

small Shot volume large

short long

VIEWEG

Instruction Manual Diaphragm Valve DV-5625-U / SS

5. Operating Procedure

5-1. Setup

example for general installation:

MATERIAL LINE

VALVE CONTROLLER

VC-1000

AIR IN FROM COMPRESSOR

MATERIAL

IN BOTTLE

MATERIAL IN

RESERVOIR

MATERIAL IN

CARTRIDGE

OPERATING AIR

INLET

MATERIAL

INLET

DIAPHRAGM VALVE

DV-5625-U /-SS

OPERATING

AIR LINE

VIEWEG

Instruction Manual Diaphragm Valve DV-5625-U / SS

5-1-1) Fasten the valve firmly using mount hole. (M5*P0.8*D98)

5-1-2) Connect air hose to Air In Port and Controller.

Valve driving pressure is Min 4.0 bar or more.

5-1-3) Connect fitting for material supply hose to the inner port (BSPT1/8”)

Notice

5-1-4) Do not insert fitting too deeply (7 mm or more).

5-1-5) Adjust the material pressure (max 5 bar).

When dispensing low viscosity materials (like water, solvent) set material pressure

at 0.5 bar. For high-viscosity materials, set material pressure at 2 bar.

Increase or decrease pressure as needed.

5-1-6) At the time of delivery, the scale of shot volume control knob is being initiated to

point 3 (½ of full stroke). Increase or decrease the number as needed.

Maximum length of stroke is 0,6 mm.

(This is corresponding to the amount when shot volume control knob makes 1

round).

Notice:

If you make 2 or more revolutions counterclockwise, the tensile strength of

spring is weaker and the valve becomes open state all the time. In this way liquid

can be dispensed.

VIEWEG

Instruction Manual Diaphragm Valve DV-5625-U / SS

5-1-7) After steady mode in controller and reducing pressure of pressure container,

make dispensing the liquid come out slowly.

(This is to remove bubble and dispense the first liquid from valve)

5-1-8) Choose “Prog” or “Manual” mode of controller according to the state of dispens-

ing.

5-1-9) Choose “Prog” or “Manual” mode of controller according to the state of

dispensing:

By increasing or decreasing pres-

sure to container

Pressure increase > Dispensing amount increase

Pressure decrease > Dispensing amount decrease

Thickness of Needle Thick Needle > Dispensing amount increase

Thin Needle > Dispensing amount decrease

Flux Control Knob Long stroke > Dispensing amount increase

Short stroke > Dispensing amount decrease

Dispensing Time Long dispensing time > Dispensing amount increase

Short dispensing time > Dispensing amount decrease

*Choose the way of controlling dispensing time preferentially to get proper dispensing

amount.

VIEWEG

Instruction Manual Diaphragm Valve DV-5625-U / SS

5-2. Maintenance

5-2-1) Washing

Wash valve thoroughly after using if dispensed liquid has tendency to be stiff or

has possibility to damage liquid contacting part.

First of all dispense all liquid entirely from pressure container, liquid supply hose

and liquid contacting part until sufficient air comes out.

Wash liquid inside of valve with a little of proper solvent.

Then wash thoroughly in order of air > solvent > air solvent

5-2-2) Disassembly

In case of disassembly for washing or replacing part, refer to “7.Exploded View &

Parts List”.

5-2-3) Assembly

• Diaphragm Assembly

• Loosen stroke control knob by turning twice counterclockwise.

• Separate valve head.

• Remove diaphragm by turning counterclockwise.

• Screw new diaphragm carefully to become horizontal to piston road screw-thread.

In case of washing valve head with sharp pin or others,

try not to scratch needle or seat part. If damaged you

need to replace parts because of leakage.

1 0 5

1 0 5 1

Copy 1

copy 1 copy 2 copy 3

Diaphragm

seat

VIEWEG

Instruction Manual Diaphragm Valve DV-5625-U / SS

Notice

If it isn‘t fit thread properly leakage may occur.

After fixing diaphragm at regular intervals(0.4mm) like the picture, for matching cylinder

body and mount screw, please turn to the location that you want using a screw driver

like next picture.

To reinstall valve head fasten L(hexagon)-wrench bolt firmly.

Fasten stroke control knob until it is closed.

Then open it again until stroke is appropriate.

Notice

Scale may not indicate to ‘0’ of reference mark. In this case refer to relative scale.

(No problem to use)

1 0 5

1 0 5 1

Copy 1

copy 1 copy 2 copy 3

0,4 Gap

Screw Driver

Air Cylinder Body

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