Unist 4210 Series Operation Manual
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Unist 4210 Series Operation Manual

Low volume spray nozzles
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Low Volume
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Operation Manual

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Summary of Contents for Unist 4210 Series

  • Page 1 Low Volume Spray Nozzles Operation Manual...
  • Page 2 Questions or part orders: 1-800-253-5462 (US & Canada) 1-616-949-0853 (International) Low Volume Spray Nozzles Operation Manual Copyright © 2018 Unist, Inc. 06/29/2018 V1.0...
  • Page 3 Low Volume Spray Nozzles Quick Start Guide 4210 series (standard nozzles) Connection Options 1. Direct Operation (page 7) 2. Daisy Chain Operation (page 8) Connecting to an SPR-2000 ™ Connecting to an SPR-2000 controller will give each nozzle ™ controller will give each nozzle its own air supply, but they will its own fluid and air supply.
  • Page 4 Low Volume Spray Nozzles Quick Start Guide 4230 series (remote nozzles) 1. Remote Operation (page 10) Connecting to an SPR-2000 controller will give each ™ nozzle its own its own fluid supply, air supply, and actuation air. Compressed air Connect fluid Connect air Connect atomizing air Connect air supply...
  • Page 5 Consult this documentation in all cases where this caution symbol appears. This symbol is used to inform you of any potential HAZARD or actions that require your attention. Use of this equipment in a manner other than that specified by Unist, Incorporated may compromise design integrity and become unsafe.
  • Page 6 Identifying Symbols Caution - ISO 7000-0434B...

  • Page 7: Table Of Contents

    Rebuild Kit Instructions ....................... 16-19 Appendix A: 4210 Series Drawing ....................20 Appendix B: 4230 Series Drawing ....................21 Appendix C: 4210 Series Part Numbering Scheme .................22 Appendix D: 4230 Series Part Numbering Scheme .................23 Appendix E: Low Volume Spray Nozzle Spray Patterns ..............24...

  • Page 9: Introduction

    Introduction Thank You System Requirements Thank you for your purchase of the Unist Low Volume Air supply pressure: 40-100 psi [3-7 bar] Spray Nozzles. Please take the time to read this operation (dry filtered compressed air) manual to take full advantage of your new nozzles.

  • Page 10: How It Works

    How It Works The Low Volume Spray Nozzle has an integral valve that maintains fluid pressure right to the tip of the nozzle, and uses the air signal to actuate a diaphragm that operates the nozzle. This provides immediate on and off control, which eliminates lag and prevents messy fluid drips.

  • Page 11: How It Works

    How It Works A compressed air signal from the valve goes to the chamber highlighted in red. When the nozzle is on, the chamber is pressurized. When the nozzle is off, the chamber is not pressurized and the spring forces the piston assembly against the bottom O-ring, turning the fluid flow off, as shown in Figures 5 and 6.

  • Page 12: Installation

    Installation Mounting Dimensions 2.00 in. [50.8 mm] 1.25 in. [31.8 mm] 1/4-20 Mounting hole M6 X 1 Mounting hole 1.71 in. 1.25 in. [43.4 mm] [31.8 mm] 2.27 in. [57.7 mm] Figure 7: Low Volume Spray Nozzle dimensions Articulating Arm If your nozzle came with an articulating arm, thread the stud into the nozzle and then mount the arm where desired.

  • Page 13: Modular Mounting System Assembly

    Installation Modular Mounting System Assembly 1. Lay out the pieces, ensuring you have the vertical and horizontal bars separated and matched. Mounting the nozzles using the modular mounting system requires three items: 1. The modular mounting kit (PN 301409-WW-HH, where WW is the length of the horizontal rods in inches and HH is the length of the vertical rods in inches).
  • Page 14 Installation 3. Slide a bar clamp on the vertical bars, one for each 6. Stand the mount up, so it is standing on the base horizontal bar in the mount. When the clamp is at the plates. desired height, tighten the clamp on the vertical bar. 7.

  • Page 15: Fluid & Air Connections

    Pressurized fluid supply Fluid & Air Connections 4210 Series (Direct Operation) Figure 19: 4210 Series (direct operation) 1. Connect clear nylon tubing to the LIQUID port of the 4. Connect the black nylon tubing between the AIR port nozzle. Route the tubing to the valve stack. Ensure that of the valve and the AIR port of the nozzle.

  • Page 16: 4210 Series (Daisy Chain Operation)

    Compressed air Pressurized fluid supply Figure 20: 4210 Series (daisy chain operation) 3. At the last nozzle in the chain (this has an elbow for 1. Connect clear nylon tubing between a pressurized the LIQUID input and not a tee), attach the fluid tubing fluid supply and the LIQUID port of the first nozzle in into the elbow.

  • Page 17: 4210 Series (Manual Valve Operation)

    Pressurized fluid Manual valve Compressed air Figure 21: 4210 Series (manual valve operation) 3. Connect black nylon tubing between the 1. Connect clear nylon tubing between a pressurized manual valve and the AIR port of the nozzle. fluid supply and the LIQUID port of the nozzle.

  • Page 18: 4230 Series (Remote Operation)

    Installation 4230 Series (Remote Operation) Fully Assembled The nozzles in the 4230 remote family can be connected Compressed air to a controller, such as the SPR-2000 controller, ™ SPR-2000 ™ so that each nozzle has its own Liquid, Atomize air, and On/Off air supply.

  • Page 19: Startup & Operation

    This assumes the nozzles have already been installed. Preliminary At The Nozzle (4210 Series Only) 1. Close the LIQUID needle valve on the side of the Figure 25: Closing Atomize needle valve nozzle body by turning the needle valve clockwise until the needle valve is closed.

  • Page 20: Prime The System

    20 psi [1.4 bar]. Figure 30: Actuate each solenoid valve with prime button a. If you have a Unist tank, you can turn on fluid a. If no air is coming out, refer to the pressure by sliding the manual slide valve on the Troubleshooting: Air not coming out of nozzle tank towards the regulator.

  • Page 21: Ensure Fluid Is Connected

    1. For each nozzle on the stack (4210 series) turn the To account for this, simulate the anticipated drop by...

  • Page 22: Troubleshooting

    Troubleshooting Fluid not coming out of nozzle • Check fluid supply level. • Check to ensure that tubing is connected to Liquid port of the nozzle and the Liquid port of the valve. • Check fluid supply pressure and ensure that it is Check fluid pressure is above 20 psi [1.4 bar].
  • Page 23 • The nozzle needs to be rebuilt. Order a rebuild kit 4210 Series (302106) 4230 Series (303823) from Unist and follow the instructions on page 16. Fluid leaking out of tip • Check for debris in nozzle body. This requires disassembling the nozzle.

  • Page 24: Rebuild Kit Instructions

    7. Lubriplate 630-AA or equivalent grease 1. If you have the 4210 series nozzle with needle valves you will need to use a 5/16” wrench to unscrew and remove them from both sides of the spray nozzle body.
  • Page 25 Rebuild Kit Instructions Attention: Use caution when using a compressed air source. Only qualified individuals should make this connection. Failure to do so safely could cause damage to property and personal injury. 8. Remove the 1.2 mm ID O-ring from the end of the bore in the spray nozzle body.
  • Page 26 Rebuild Kit Instructions 11. Insert the new 1.2 mm ID O-ring into the end of the 13. Apply a light coat of Lubriplate 630-AA or equivalent bore in the spray nozzle body. It may be helpful to use grease to the inner bore of the nozzle body. the old piston rod diaphragm assembly to help you press the O-ring down and fully seat the O-ring squarely into the end of the bore.

  • Page 27: Rebuild Kit Instructions

    Rebuild Kit Instructions 16. Install the new piston rod diaphragm assembly into 19. (4210 series only) Apply a light coat of Lubriplate the spray nozzle body by pressing down and rotating the 630-AA or equivalent grease to the O-rings on the new...

  • Page 28: Appendix A: 4210 Series Drawing

    Appendix A: 4210 Series Drawing 1/8 NPT 1/8 NPT LV SPRAY NOZZLE BODY, STANDARD NEEDLE VALVE, CARTRIDE ONLY, FOR LIQU COMPRESSION SPRING O-RING, ID .864, CS .070, VITON REBUILD KIT O-RING, 2mm CS X 3mm ID, VITON 302106 O-RING, 1mm CS X 1.2mm ID, VITON...

  • Page 29: Appendix B: 4230 Series Drawing

    Appendix B: 4230 Series Drawing 1/8 NPT BALL, STAINLESS .125 DIAMETER COMPRESSION SPRING LV SPRAY NOZZLE BODY, REMOTE O-RING, ID .864, CS .070, VITON REBUILD KIT O-RING, 2mm CS X 3mm ID, VITO 303823 O-RING, 1mm CS X 1.2mm ID, VI LV SPRAY NOZZLE THREADED PLU LV SPRAY NOZZLE INSERT PISTON ROD ASSEMBLY...

  • Page 30: Appendix C: 4210 Series Part Numbering Scheme

    Appendix C: 4210 Series Part Numbering Scheme...

  • Page 31: Appendix D: 4230 Series Part Numbering Scheme

    Appendix D: 4230 Series Part Numbering Scheme...

  • Page 32: Appendix E: Low Volume Spray Nozzle Spray Patterns

    Low Volume Spray Nozzle Spray Patterns Fan Spray Approximate spray dimensions 3” 7.5” [76 mm] [191 mm] 6” 12” [152 mm] [305 mm] 15” 9” [381 mm] [229 mm] 12” 18” [305 mm] [457 mm] 15” 23” [381 mm] [584 mm] 18”...

  • Page 33: Notes

    Notes...
  • Page 34 Unist, Inc. 4134 36th Street SE Grand Rapids, MI 49512 USA U.S. & Canada: 800.253.5462 International: 616.949.0853 unist.com Email: salessupport@unist.com MANLVSN...

This manual is also suitable for:

4230 series

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