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PVA SB300 Owner's Manual

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WHERE
PRECISION
DRIVES
PRODUCTION
SB300 Valve
OWNER'S MANUAL
Rev A
Precision Valve & Automation
One Mustang Drive
Cohoes, NY 12047
www.pva.net

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  • Page 1 WHERE PRECISION DRIVES PRODUCTION SB300 Valve OWNER’S MANUAL Rev A Precision Valve & Automation One Mustang Drive Cohoes, NY 12047 www.pva.net...
  • Page 2 SB300 PVA This document is based on information available at the time of its publication. While efforts have been made to ensure the contents of this manual are accurate, the information contained herein does not purport to cover all specific details or variations in hardware, or to provide for every possible contingency in connection with installation, operation, or maintenance.

  • Page 3: Table Of Contents

    SB300 PVA Table of Contents Table of Contents ..................3 Introduction ..................... 5 Document History ....................5 Safety ........................6 Theory of Operation.................... 7 Personal Protective Equipment ................7 Waste Disposal ....................7 Necessary Tools ....................7 Setup......................8 Overview ......................8 Operation ....................
  • Page 4 SB300 PVA Exploded View of the Luer Version ..............43 Item Numbers and Descriptions for 112-07384, Luer version ......44 Technical Specifications ................45 Troubleshooting ..................46 Notes ..................... 47 Warranty ....................48 Table of Figures ..................49 REVISION A (2014)

  • Page 5: Introduction

    Before you operate this system, read the operation and setup manual. This will help you to become familiar with the product and ensure successful operation. If any questions or problems arise, contact PVA’s Customer Service Department for support. PVA Contact Information...

  • Page 6: Safety

    SB300 PVA Safety Certain warning symbols are affixed to the machine and correspond to notations in this manual. Before operating the system, identify these warning labels and read the notices described below. Not all labels may be used on any specific system.

  • Page 7: Theory Of Operation

    SB300 PVA Theory of Operation The SB300 is a high pressure valve with a low maintenance design. It dispenses a high flow of medium to high viscosity material with adjustable snuff back. There are two main versions of this valve, one with the 1/4” NPT end fitting and one with a luer outlet.

  • Page 8: Setup

    SB300 PVA Setup Before you operate the valve, know the valve components. Do the steps instructed below for safe and correct operation. 1. Make sure your valve is correctly connect to the dispense system. Refer to your fluid schematic. 2. Make sure you know the valve specifications and do not operate the valve outside of the specifications.

  • Page 9: Operation

    SB300 PVA Operation NOTE: Refer to Section 6 for part reference numbers. All part numbers refer to the NPT version of the valve (drawing 112-07519) unless otherwise specified. NOTE: Use only compatible solvents and materials or the seals and O-rings will be damaged.

  • Page 10: Shutdown

    SB300 PVA 2. Turn the stroke adjust (9) counterclockwise for two full turns. Figure 2: Turn the Stroke Adjust Two Full Turns 3. Operate the valve at this stroke adjust (9) setting. Adjust as necessary for your application. NOTE: Turn the stroke adjust counterclockwise to increase snuff back and turn the stroke adjust clockwise to decrease snuff back.

  • Page 11: Maintenance

    SB300 PVA 3. Close the valve. 4. Clean off any material on the valve. 5. Install a night cap, if necessary. Maintenance Interval Action Daily • Examine the material outlets for contamination and cured material. • Replace O-rings and lip seals if they are worn or damaged.
  • Page 12 SB300 PVA Figure 4: Loosen and Remove the Four Air Cap Screws 5. Pull on the air and fluid sections to separate the sections. Figure 5: Air and Fluid Sections Separated 6. Use a hex wrench to remove the four separation body screws (14).
  • Page 13 SB300 PVA Figure 7: Separation Body and Fluid body 8. Use the pick to remove the lip seal (11). Figure 8: Remove the Lip Seal 9. Use the pick to remove the O-ring (22). Figure 9: Remove the O-ring 10. Use a hex wrench to remove the end cap screws (16). For valves with a luer outlet, continue to step 13.
  • Page 14 SB300 PVA Figure 10: Remove End Cap Screws 11. Separate the end cap (10) from the seal plate (1). Figure 11: Separate Sections 12. Use a pick to remove the O-ring (21). Figure 12: Remove the End Cap O-ring Continue to step 19 for valves with the 1/4” NPT end fitting.
  • Page 15 SB300 PVA Figure 13: Remove the Screws from the End Cap 14. Separate the end cap (3) from the seal plate (1). Figure 14: Separate the End Cap from the Seal Plate 15. Use a wrench to loosen and remove the luer adaptor (20).
  • Page 16 SB300 PVA Figure 16: Remove the Washer from the End Cap 17. Use a pick to remove the O-ring (23) from the end cap (3). Figure 17: Remove the O-ring from the End Cap Do the steps below for both valve types.
  • Page 17 SB300 PVA Figure 19: Remove the O-ring 20. Use a pick to remove the lip seal (12) from the seal plate (1). Figure 20: Remove the Lip Seal 21. Use a pick to remove both of the washers (2) from the fluid body (7).
  • Page 18 SB300 PVA Figure 22: Separate the Air Sections 23. Push on the rod (8) to remove the piston-rod assembly from the air cylinder (3). Pull the piston-rod assembly out of the air cylinder. Figure 23: Remove the Piston Rod Assembly 24.
  • Page 19 SB300 PVA Figure 25: Remove the Air Cylinder O-ring 26. Use a pick to remove the piston O-ring (24). Figure 26: Remove the Piston O-ring 27. Use a hex wrench to remove the set screw (15) in the piston (4). Hold the flat section on rod (8) with a wrench and turn the set screw until it is loose.
  • Page 20 SB300 PVA Figure 28: Disassembled Piston-Rod Assembly 29. Use a pick to remove the air cap O-ring (23). This is the end of the normal disassembly procedure. If it is necessary to disassemble the air cap (5) and stroke adjust (9), do the steps below.
  • Page 21 SB300 PVA 32. Turn the stroke adjust (9) counterclockwise to loosen the stroke adjust until it is removed from the air cap (5). Figure 30: Stroke Adjust Removed from Air Cap 33. Remove the O-ring (20) from the stroke adjust (9).

  • Page 22: Clean The Valve Components

    SB300 PVA Clean the Valve Components Use a compatible solvent to clean the valve components. All components should be cleaned and there should be no material on valve components. 1. Examine and clean all of the O-rings (19, 20, 21, 22, 23, 24).

  • Page 23: Fluid Body

    SB300 PVA 5.3.2 Fluid Body Clean the fluid body (7). Use cotton tipped swabs, lint free wipes, and solvent. 5.3.3 Figure 35: Clean the Fluid Body Separation Body Clean the separation body (6). Use cotton tipped swabs, lint free wipes, and solvent.

  • Page 24: Air Cap

    SB300 PVA 5.3.5 Air Cap Clean the Air Cap (5). Use cotton tipped swabs, lint free wipes, and solvent. Figure 38: Clean the Air Cap Assemble the Valve Do the steps below to assemble the valve after it has been cleaned.
  • Page 25 SB300 PVA Figure 40: Apply Grease to the Air Cap 3. Put a small amount of oil on the threads of the stroke adjust (9). Figure 41: Apply Oil to the Stroke Adjust Threads 4. Apply grease to the stroke adjust O-ring (20).
  • Page 26 SB300 PVA Figure 43: Install the Stroke Adjust Screw 6. Use snap ring pliers to install the snap ring (13). Figure 44: Install the Snap Ring Turn the stroke adjust (9) counterclockwise to decrease the threads the show on the bottom of the air cap (5).
  • Page 27 SB300 PVA Figure 46: Apply Grease to the Air Cylinder 10. Get the piston (4), rod (8), set screw (15), and O-ring (24). Figure 47: Piston-Rod Assembly Components 11. Apply removable thread locker to the set screw (15). Figure 48: Apply Removable Thread Locker 12.
  • Page 28 SB300 PVA Figure 49: Rod on the Grooved Side of the Piston 13. Install the set screw (15). Use a hex wrench to tighten the screw. Hold the flat section of the rod (8) with a wrench and make sure the screw is fully engaged in the piston (4) with the hex wrench.
  • Page 29 SB300 PVA 16. Install the spring in the air cylinder (18). 17. Put the piston-rod assembly in the air cylinder (3). 18. Hold the air cylinder (3) in one hand and pull down on the rod (8) until the piston (4) is below the edge of the air cylinder.
  • Page 30 SB300 PVA Figure 52: Grease the Rod O-ring 20. Put the O-ring (19) on the rod (8) and push it down to the air cylinder (3). Figure 53: Rod O-ring Installed 21. Install the lip seal (11) in the separation body (6). You should be able to see the O-ring in the lip seal when it is installed correctly.
  • Page 31 SB300 PVA Figure 55: Apply Lubricant to the Top of the Lip Seal 23. Apply a small amount of lubricant to the lowest edge inside the fluid body. Do this for both sides Figure 56: Apply Lubricant to the Fluid Body 24.
  • Page 32 SB300 PVA 25. Install the separation body O-ring (22). Figure 58: Separation Body O-ring 26. Apply lubricant to the O-ring (22). 27. Put the fluid body (7) on the separation body (6). Figure 59: Separation Body and Fluid Body 28. Install the separation body screws (14) and tighten them equally with a hex wrench.
  • Page 33 SB300 PVA Figure 60: Tighten the Separation Body Screws 29. Put the lip seal (12) in the seal plate (1). The O-ring should be seen when the lip seal is correctly installed. Figure 61: Lip Seal Install O-ring Up 30. Apply lubricant to the lip seal (12).
  • Page 34 SB300 PVA Figure 63: Install the Seal Plate O-ring 32. Apply lubricant to the O-ring (22) in the seal plate (1). Figure 64: Apply Lubricant to the Seal Plate O-ring 33. Install the seal plate (1) on top of the fluid body (7).
  • Page 35 SB300 PVA Figure 66: Apply Lubricant to the O-ring Groove 35. Install the O-ring (21) in the end cap (10). Figure 67: End Cap O-ring Installed 36. Apply lubricant to the end cap O-ring (21). Figure 68: Apply Lubricant to the End Cap O-ring 37.
  • Page 36 SB300 PVA Figure 69: End Cap Installed 38. Install the end cap screws (16). Use a hex wrench to tighten them equally. Figure 70: Tighten the End Cap Screws Equally 39. Make sure the valve is correctly aligned. Figure 71: Sections Aligned 40.
  • Page 37 SB300 PVA Figure 72: Apply Lubricant to the Rod 41. Install the rod (8) through the separation body (6) so that it is engaged in the rest of the valve. Figure 73: Install the Rod into the Fluid Section 42. When the rod (8) is installed to the where there is resistance, use a press to fully engage the rod in the fluid section of the valve.
  • Page 38 SB300 PVA Figure 74: Use the Press to Fully Engage the Rod in the Fluid Section 43. Apply lubricant to the air cap O-ring (23). 44. Install the air cap (5). Figure 75: Install the Air Cap 45. Install the air cap screws (17).

  • Page 39: To Replace O-Rings

    SB300 PVA 46. Make sure the valve is correctly aligned and use a hex wrench to tighten the screws (17) equally. Figure 77: Tighten the Air Cap Screws 47. Use a wrench to install the air fittings if necessary. Figure 78: Fully Assembled Valve To Replace O-rings If an O-ring is damaged or worn, replace it.

  • Page 40: To Replace Lip Seals

    SB300 PVA To Replace Lip Seals If a lip seal is damaged or worn, replace it. 1. Do the valve disassembly procedure to get access to the necessary lip seal(s). Refer to Section 5.2. 2. Use the hook and pick set to remove the lip seal and discard it.

  • Page 41: Exploded View

    SB300 PVA Exploded View Exploded View of the NPT Version Figure 79: Drawing 112-07519, NPT Version REVISION A (2014) 41 of 50...

  • Page 42: Item Numbers And Descriptions For 112-07519, Npt Version

    VLV-214-B *Recommended spare parts. Refer to your bill of materials and schematic for specific options on your valve. The spare parts kit part number is SB300-SP and includes the recommended spare parts shown above. Contact PVA for information on replacement parts or to order.

  • Page 43: Exploded View Of The Luer Version

    SB300 PVA Exploded View of the Luer Version Figure 80: Drawing 112-07384, Luer Version REVISION A (2014) 43 of 50...

  • Page 44: Item Numbers And Descriptions For 112-07384, Luer Version

    VLV-214-B *Recommended spare parts. Refer to your bill of materials and schematic for specific options on your valve. The spare parts kit part number is SB300-SP and includes the recommended spare parts shown above. Contact PVA for information on replacement parts or to order.

  • Page 45: Technical Specifications

    SB300 PVA Technical Specifications Table 3: SB300 Technical Specifications Weight Approximately 1.65lbs (0.75 kg) Material inlet 1/4" NPT Material outlet 1/4" NPT or Luer Wetted parts Stainless steel (300 series), Carbide, Viton, Urethane REVISION A (2014) 45 of 50...

  • Page 46: Troubleshooting

    SB300 PVA Troubleshooting Troubleshooting Possible Cause Corrective Action Problem Valve does not • Air pressure to air section is too • Increase air pressure to 60-100 psi cycle • Disassemble and clean the valve • Material is cured in the valve •...

  • Page 47: Notes

    SB300 PVA Notes REVISION A (2014) 47 of 50...

  • Page 48: Warranty

    Unauthorized repair or modification of the enclosed product, and/or the use of spare parts not directly obtained from PVA (or from factory authorized dealers) will void all warranties.

  • Page 49: Table Of Figures

    SB300 PVA Table of Figures Figure 1: Valve Components ....................8 Figure 2: Turn the Stroke Adjust Two Full Turns............... 10 Figure 3: Stroke Adjust Fully Loosened ................10 Figure 4: Loosen and Remove the Four Air Cap Screws ........... 12 Figure 5: Air and Fluid Sections Separated ...............
  • Page 50 SB300 PVA Figure 40: Apply Grease to the Air Cap ................25 Figure 41: Apply Oil to the Stroke Adjust Threads ............25 Figure 42: Apply Grease to the O-ring ................25 Figure 43: Install the Stroke Adjust Screw ................ 26 Figure 44: Install the Snap Ring ..................

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