DAV TECH DA 250 Installation And Maintenance Manual Download

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Index

1 INTRODUCTION

pag. 3

1.1 The manual
1.2 Warranty
1.3 Goods receiving

2 TECHNICAL DESCRIPTION pag. 3
2.1 Valve operation
2.2 Technical specifications
2.3 Connection diagram

3 INSTALLATION

pag. 4

3.1 Mounting on the machine
3.2 Drive the valve
3.3 Fluid connection
3.4 Setting of the valve
3.5 Setting of the material quantity

4 MAINTENANCE

pag. 6

4.1 General rules
4.2 Valve Disassembly - Re-assembly

5 TROUBLESHOOTING

pag. 6

5.1 Problems and solutions

6 BREAKDOWN AND DIMENSIONS

pag. 7

6.1 Overall dimensions
6.2 Breakdown (old version)

pag. 8

6.3 Components (old version)
6.4 Breakdown (updated version)
6.5 Componenti (updated version)

Installation and maintenance guide

Summary of Contents for DA 250

Page 1: ...DIAPHRAGM VALVE DA 250 DAV TECH SRL Via Ravizza 30 36075 Montecchio Maggiore VI ITALIY Tel 0039 0444 574510 Fax 0039 0444 574324 davtech davtech it www davtech it Installation and maintenance guide...

Page 2: ...rive the valve 3 3 Fluid connection 3 4 Setting of the valve 3 5 Setting of the material quantity 4 MAINTENANCE pag 6 4 1 General rules 4 2 Valve Disassembly Re assembly 5 TROUBLESHOOTING pag 6 5 1 Pr...

Page 3: ...ature are subject to wear 1 3 Goods receiving The original configuration of the valve must never be changed Upon receipt of the goods check that The packaging is intact The exact correspondence of the...

Page 4: ...of the special threaded hole M5 on the valve or by an ad hoc collar A good fixing of both the dosing valve to the support and the machine should be guaranteed without vibration and with good accessib...

Page 5: ...on the adjuster knob located at the top of the dispensing valve Rotate clockwise to decrease the membrane stroke and consequently the amount of product Turning clockwise reaching the end of the strok...

Page 6: ...ith the explosion shown below 5 TROUBLESHOOTING 5 1 Problems and solutions Installation and maintenance guide PROBLEM POSSIBLE CAUSE SOLUTION Nothing or little adhesive Valve does not receive the comm...

Page 7: ...IONS DIAPHRAGM VALVE DA 250 NOTE The old and updated versions differ in their external appearance due to the presence or absence of the dowel placed in the center of component no 2 old version and no...

Page 8: ...block 3 25002 1 Spring 4 25003 1 Piston 5 92010702 1 O ring 6 92011401 1 O ring 7 25004 1 Lip seal 8 25005 1 Washer 9 25009 1 Body 10 25006 1 Diaphragm 11 25010 1 Body Teflon 12 25007 1 Frontal body 1...

Page 9: ...4 DH000450 1 Diaphragm DA 250 5 MDC000450 1 Full micrometric adjustment 6 PST000450 1 Piston 18 7 WSH000450 1 Washer 8 M25004 1 Lip seal DA 250 9 M25008 1 DA 250 ferrule for syring nozzle 10 RRBF0252...

Page 10: ...Maggiore VI ITALY Tel 0039 0444 574510 Fax 0039 0444 574324 davtech davtech it www davtech it We reserve the right to modify at any time without notice the specifications dimensions and weights in th...