Nordson 754V-SS Manuel utilisateur

Introduction

The 754V-SS dispense valve is designed to conform to

biopharmaceutical regulations for sterile fluid applications.

The 754V-SS wetted components are constructed of 316L

stainless steel and PTFE with a smooth aseptic fluid path.

The 754V-SS valve is simple to use and will operate many

millions of cycles without maintenance. The valve

incorporates a compact, precise, adjustable diaphragm for

dispensing low to medium viscosity fluids.

Each valve is shipped with a dispensing tip adapter, fluid

inlet fitting and 5-foot actuating air hose installed.

Control

air hose

Tamper-resist

stroke control

Fluid body

Fluid supply line

Air cylinder body

Inlet fitting

Dispensing tip

754V-SS Dispense Valve

Installation Guide

Electronic pdf files of Nordson EFD manuals are also available at www.nordsonefd.com

Prior to installing this valve, please read

the associated reservoir and valve

controller operating instructions to

become familiar with the operation of all

components of the dispensing system.

1. Connect fluid supply line to valve.

2. Connect the fluid supply line to reservoir.

3. Connect valve control air hose to

ValveMate™8000 (solenoid pack) used

to control valve open time.

4. Choose a dispensing tip—small tips

(20 gauge) for low-viscosity fluids and

larger (14 gauge) for higher viscosities.

5. Fill reservoir by pouring fluid directly into

tank liner or manufacturer’s bottle placed

inside reservoir. Secure cover prior to

setting pressure.

6. Set reservoir pressure to low for thin

fluids and higher for thick fluids.

7. Set the diaphragm stroke starting with

no more than 1/2 turn open.*

8. Place a cup under the dispensing tip

and actuate the valve until fluid lines,

valve and dispensing tip are free of air.

9. Set desired flow rate by adjusting fluid

reservoir pressure, diaphragm stroke or

changing dispensing tip.

*Do not overtighten the stroke adjustment knob or

open it more than two full turns. If open more than

two turns, pressurized liquid could force open the

diaphragm seal, resulting in continuous liquid flow.

Installation

Important Note: Set esire eposit size by a justing valve open time. Refer to valve controller operating manual.

1 1

How the Valve O erates

Input air pressure at 70 psi (4.8 bar) forces the internal

piston to move.

The piston rod pulls open the diaphragm seal, permitting

fluid flow. When the input air pressure is relieved, the spring

retracts the piston and the diaphragm closes.

The amount of fluid dispensed will depend on the time the

valve is open, the viscosity of the fluid, the air pressure in

the fluid reservoir, the dispensing tip size and the diaphragm

stroke.

Flow rate is a function of reservoir pressure, tip size and

fluid viscosity.

The primary control of eposit size is the valve open time.

ValveMate Conce t

The ValveMate 8000 provides easy adjustment

of valve output for maximum end-user

convenience and efficiency. Valve open time

is the primary control of deposit. The 8000

puts push-button adjustment of valve open

time where it needs to be—at the valve.

The ValveMate 8000 features micro-processor

circuity for extremely precise control of deposit

size. Feed lines can be purged, initial deposit sizes set, and

adjustments made quickly and easily at the dispensing station, without

stopping the production line.

Note: The EFD TT 325 and 525 XYZ automated dispensing

systems have integrated ValveMate controllers for operating all EFD

dispense valves.

Important Note: Order your 1, 2, 3 or 4

solenoid manifold block assembly separately.

Consult EFD for recommendations.

www.nor sonef .com technical@nor sonef .com USA 800-556-3484 Europe +44 (0) 1582 666334 Asia +86 (21) 3866 9006

For consistent dis ense valve o eration and easy adjustment

of valve out ut, EFD recommends using the ValveMate 8000

controller on all automatic, semi-automatic and benchto

a lications.

EFD dis ensing robots incor orate dis ensing control into the

main system.

Contact the EFD Dis ense Valve Systems Grou for details.

S ecifications

Air pressure require : 70 to 90 psi (4.8 to 6.2 bar)

Maximum flui pressure: 70 psi (4.8 bar)

Maximum flui operating temperature: 43°C (110°F)

Maximum temperature - Autoclaving: 260°C (500°F)

The valve PTFE diaphragm should not stay in autoclave

process longer than 15 minutes to prevent diaphragm

warping.

Size: 77.5 mm length x 26.9 mm diameter (3.05” x 1.06”)

Weight: 193.3 grams (6.82 oz.)

Air cylin er bo y: Type 316L stainless steel

Flui bo y: Type 316L stainless steel

Diaphragm: PTFE

Free flow orifice: 2.03 mm diameter (.08”)

Flui inlet threa : 5/16-24 NF

For ordson EFD LLC sales and service in over

30 countries, contact ordson EFD or go to

www.nordsonefd.com

East Providence, RI USA

USA & Canada: 800-556-3484;

+1.401.431.7000

[email protected]

Dunstable, Bedfordshire, UK

0800 585733; +44 (0) 1582 666334

Ireland 00800 8272 9444

[email protected]

ordson India Private Limited

+91 80 4021 3600

Mobile: +91 98450 48481

[email protected]

China: +86 (21) 3866 9006

[email protected]

Singapore: +65 6796 9522

[email protected]

The Wave Design is a trademark of ordson Corporation.

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