Ralston Instruments ControlPak QTVC-EN Operation Manual

Pressure controller

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ControlPak Pressure Controller (QTVC-EN)
Operation Manual
For all models of QTVC-EN ControlPak Pressure Controllers

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Summary of Contents for Ralston Instruments ControlPak QTVC-EN

  • Page 1 EN ControlPak Pressure Controller (QTVC-EN) Operation Manual For all models of QTVC-EN ControlPak Pressure Controllers...
  • Page 3: Table Of Contents

    Table of Contents Specifications ................2 Requirements................3 Important Safety Notices ............4 ControlPak Pressure Controller Overview ........5 Setting Up ..................6 Calibration ..................10 Venting System ................18 Storage and Transport ..............19 Maintenance ................20 Troubleshooting ................20 Support ..................22...
  • Page 4: Specifications

    Specifications Pressure Range 0 to 3,000 psi (0 to 210 bar) Vacuum Range 0 to 10 inHg (0 to 260 mmHg) Temperature Range 0 to 130 °F (-18 to 54 °C) Construction Anodized Aluminum, Brass, Plated Steel, Stainless Steel Seal Materials Buna-N, PEEK , Teflon ®...
  • Page 5: Requirements

    Requirements * ralstoninst.com/adapters What you need to use your ControlPak Pressure Controller: 1. Wrenches 2. Thread Tape 3. Ralston Quick-test™ Adapters 4. Device Under Test 5. Ralston Quick-test™ Hoses 6. Pressure Reference 7. Pressure Source...
  • Page 6: Important Safety Notices

    Important Safety Notices Important Safety Notices WARNING: Do not exceed Maximum Working Pressure for this product or damage may result. WARNING: Device under test should be isolated from the process, vented and vent valve closed prior to use. WARNING: Do not attempt to operate this product until you have read and fully understand the instructions and hazards of the product.
  • Page 7: Controlpak Pressure Controller Overview

    ControlPak Pressure Controller Overview 1. Outlet Port 1 2. Outlet Port 2 3. Storage Space 4. Fill Port 5. Fill Valve 6. Vent Valve 7. Fine Adjust Valve 8. Equalize/Isolate Valve 9. Carry Handle...
  • Page 8: Setting Up

    Setting Up Connecting Reference Gauge Male NPT Reference Gauge 1. Reference Gauge with NPT male connection 2. NPT Female Ralston Quick-test™ Gauge Adapter 3. Ralston Quick-test™ Hose 4. NPT Female Ralston Quick-test™ Adapter...
  • Page 9 Male BSPP Reference Gauge 1. Reference Gauge with BSPP male connection 2. BSPP Washer 3. BSPP Female Ralston Quick-test™ Adapter 4. Ralston Quick-test™ Hose 5. BSPP Female (RG) Ralston Quick-test™ Adapter...
  • Page 10 Female NPT Pressure Reference Gauge 1. Reference Gauge with NPT female port 2. NPT Male Ralston Quick-test™ Gauge Adapter 3. Ralston Quick-test™ Hose 4. NPT Male Ralston Quick-test™ Adapter...
  • Page 11 Connecting Device Under Test (DUT) and Pressure Source Isolate the Device Under Test (DUT) from the process and vent DUT prior to connecting to it. 1. Device under test (DUT) 2. Ralston Quick-test™ Adapters 3. Ralston Quick-test™ Hoses 4. Pressure source...
  • Page 12: Calibration

    Calibration Prepare the ControlPak Pressure Controller Close Fill Valve. Close Vent Valve. Set Fine Adjust Valve to 50% of travel.
  • Page 13 Open Equalize/Isolate Valve.
  • Page 14: Increase Pressure

    Increase Pressure Slowly open Fill Valve to just below first test point. Test point Close Fill Valve.
  • Page 15 Close Equalize/Isolate Valve. Use Fine Adjust Valve to put reference gauge on exact test point. Test point...
  • Page 16 To Continue Moving Up-scale in Pressure Open Equalize/Isolate Valve. Slowly open Fill Valve to just below next test point. Test point Close Fill Valve.
  • Page 17 Close Equalize/Isolate Valve. Use Fine Adjust Valve to put reference gauge on exact test point. Test point Repeat for each test point up-scale until range is complete.
  • Page 18 To Move Down-scale in Pressure Open Equalize/Isolate Valve. Slowly open Vent Valve to just above next test point. Test point Close Vent Valve.
  • Page 19 Close Equalize/Isolate Valve. Fine-adjust to exact test point. Test point...
  • Page 20: Venting System

    Venting System Open Equalize/Isolate Valve. Open the Vent Valve.
  • Page 21: Storage And Transport

    Storage and Transport Disconnect hoses and pressure reference, and store everything.
  • Page 22: Maintenance

    Maintenance Maintenance Interval Every 300 uses or 3 months Maintenance Procedure • Lubricate the Ralston Quick-test™ fittings by squirting 2 ml of oil inside the connection. • Lubricate the balance valve O-rings with silicone lubricant. Troubleshooting There is a drop in system pressure when the Volume Controller has been pressurized and the Fill Valve is closed If there is a drop in system pressure when the Volume Controller has been pressurized and the Fill Valve is closed, then there is a leak.
  • Page 23 Fine Adjust Valve is difficult to operate If the Fine Adjust Valve is difficult to operate over years of service, then the inside walls of the piston need grease. 1. Remove the Fine Adjust Valve. 2. Apply a thin coat of graphite grease, such as Dow Corning ®...
  • Page 24: Support

    Support Hours: 8:30 am – 5:00 pm EST Phone: 1 440-564-1430 • Toll Free: 1 800-347-6575 (US and Canada) Web: ralstoninst.com/support Email: support@ralstoninst.com Parts and Service: ralstoninst.com/qtvc-en...
  • Page 25 Notes...
  • Page 26 Notes...
  • Page 28 ControlPak Pressure Controller (QTVC-EN) Operation Manual For all models of QTVC-EN ControlPak Pressure Controllers ralstoninst.com Hours: 8:30 am – 5:00 pm EST Phone: 1 440-564-1430 Toll Free: 1 800-347-6575 (US and Canada) Support: ralstoninst.com/support • Parts and Service: ralstoninst.com/qtvc-en Email: support@ralstoninst.com MT-0045-PA-EN REV 0...

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