VRG Controls VGP Series Instruction Manual
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VRG Controls VGP Series Instruction Manual

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Applicable Models:
This instruction Manual applies to the following VRG-Valve Gas Positioner. To confirm suitability
for additional models and/or components, please contact VRG Controls or view us online at
www.vrgcontrols.com.
STAY IN TOUCH!
Scan the QR Code at right
for company information
and product updates.
VRG Controls LLC.
VRG CONTROLS LLC.
VGP-100-DA-SN
VGP-100-DA-SN-SPL
ADDRESS: VRG Controls, LLC.
1199-B Flex Court
Lake Zurich, IL 60047, USA
TOLL FREE: (800) 844-FLOW-VRG
FAX: (208) 246-0304
E-MAIL: sales@vrgcontrols.com
WEBSITE: vrgcontrols.com
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VGP-SN Valve Gas Positioner
VGP-SN Valve Gas Positioner
Instruction Manual
Instruction Manual
PATENT NO.:
US 9,400,060 B2
PATENT NO.:
US 10,234,047 B2
US 9,400,060 B2
JANUARY 2019
DECEMBER 2020

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Summary of Contents for VRG Controls VGP Series

  • Page 1 US 10,234,047 B2 US 9,400,060 B2 Applicable Models: This instruction Manual applies to the following VRG-Valve Gas Positioner. To confirm suitability for additional models and/or components, please contact VRG Controls or view us online at www.vrgcontrols.com. VGP-100-DA-SN VGP-100-DA-SN-SPL ADDRESS: VRG Controls, LLC.

  • Page 2: Table Of Contents

    • VGP-100-DA-SN SPL (OI) [Part Number: PA-0176] Changing the Action of the VGP-DA-SN 12-16 Adjustment Procedures 17-19 Piping Diagrams 20-28 Repair Kit Factory Quality Checklist Annual Maintenance Checklist VRG Controls LLC. 2 of 32 JANUARY 2019 VRG CONTROLS LLC. 2 of 33 DECEMBER 2020...

  • Page 3: Scope Of Manual

    VRG Controls sales representative for installation, maintenance, adjustment and contact your local VRG Controls sales representative of VRG Controls VGP - Valve Gas Positioner. This or VRG Control direct. In order to facilitate technical troubleshooting of VRG Controls VGP - Valve or VRG Controls direct.

  • Page 4: Technical Specifications

    2.5 In. Liquid-Filled SS Case & Body Weight 20 lbs. (9.0 kg) Approximate Dimensions 22In x 12 In x 7 In (559 mm x 305 mm x 178 mm) VRG Controls LLC. 4 of 31 JULY 2017 VRG CONTROLS LLC. 4 of 33...

  • Page 5: Model Number Explanation

    TO REGIST ER TO REGIST ER TO REGIST ER TO REGIST ER S/N 0317005DP S/N 0317005DP S/N 0317005DP S/N 0317005DP RCV1001 RCV1001 RCV1001 RCV1001 VRG Controls LLC. 5 of 32 JANUARY 2019 VRG CONTROLS LLC. 5 of 33 DECEMBER 2020...

  • Page 6: Flow Calculations

    VGP In- becomes the limiting factor to determine flow rates and resultant stroking times. VGP Internal ternal Balanced Valve Cv=1.45. Balanced Valve Cv=1.45. VRG Controls LLC. 6 of 32 JANUARY 2019 VRG CONTROLS LLC.

  • Page 7: Vgp Valve Gas Positioners Bias And Spring Range Configurations

    ES-0026 ES-0036 ES-0046 BIAS CS-0100 (BLACK) .50 psi/turn CS-0100 (BLACK) 18-30 psig RANGE ES-0015 ES-0025 ES-0035 ES-0045 BIAS CS-0110 (BROWN) 1.86 psi/turn CS-0110 (BROWN) VRG Controls LLC. 7 of 32 JANUARY 2019 VRG CONTROLS LLC. 7 of 33 DECEMBER 2020...
  • Page 8 Supply - Discharge Discharge VGP-DA-SN u�lize VPCDA-SN with Volume Boosters. Contact VRG Controls Sales Representa�ve or VRG Controls (Actuator Volume < 500in (Actuator Volume > 950in ) VRG for addi�onal details. direct (www. vrgcontrols.com). NOTE: Volume Booster is adjusted with booster by-pass valve open 1/4 turn.

  • Page 9: Principles Of Operation For Double Acting Positioners

    Control Valve w/ Double Acting Actuator OPEN CLOSE SIGNAL CLOSE 3-15 PSI or 6-30 PSI FLOW FLOW Open on Increasing Signal Close on Increasing Signal VRG Controls LLC. 9 of 32 JANUARY 2019 VRG CONTROLS LLC. 9 of 33 DECEMBER 2020...

  • Page 10: Assembly Guide For

    “down to open” mechanisms. If mechanisms is “down to close” the action will reverse. The table refers to “down to open” mechanisms. If mechanism is “down to close” the action will reverse. VRG Controls LLC. 10 of 32 JANUARY 2019 VRG CONTROLS LLC.

  • Page 11: Assembly Guide For

    “down to open” mechanisms. If mechanisms is “down to close” the action will reverse. The table refers to “down to open” mechanisms. If mechanism is “down to close” the action will reverse. VRG Controls LLC. 11 of 32 JANUARY 2019 VRG CONTROLS LLC.

  • Page 12: Changing The Action Of The Vgp-Da-Sn

    (D) that fasten the TOP BOX (C) to the VGP VGP BOTTOM BOX (E). BOTTOM BOX (E). Figure 1. Close on Increasing VGP-SA-BV Front View Figure 2. Top Box Removal VRG Controls LLC. 12 of 32 JANUARY 2019 VRG CONTROLS LLC. 12 of 33...
  • Page 13 SS (P) from the VGP SUPPORT BRACKET (Q). SS (P) from the VGP SUPPORT BRACKET (Q). Figure 4. Range spring and Retainer Removal Figure 6. Preparing to Remove the Positioner VRG Controls LLC. 13 of 32 JANUARY 2019 VRG CONTROLS LLC.
  • Page 14 1/4-20 x 1-3/4” SHCS 316 SS (D). 1/4-20 x 1-3/4” SHCS 316 SS (D). Figure 8. Re-insert the VGP Bias Adjusting Stud Upside Down Figure 10. Re-attaching the Top Box. VRG Controls LLC. 14 of 32 JANUARY 2019 VRG CONTROLS LLC.
  • Page 15 Install VGP BEAM COVER (R) using 1/4-20 x SHCS (S). 1/2” SHCS (S). Figure 12. Removing the Access Cover from the Top Box Figure 14. Attaching the VGP VRG Controls LLC. 15 of 32 JANUARY 2019 VRG CONTROLS LLC. 15 of 33...
  • Page 16 Pg. 28-35 Figure 15. Connecting the Range Spring and Locking it onto the Spring Retainer Figure 17. Positioner Fittings and Tubing in the Final Position VRG Controls LLC. 16 of 32 JANUARY 2019 VRG CONTROLS LLC. 16 of 33...

  • Page 17: Adjustment Procedures

    RETAINER (G) so that it is in the middle of the RETAINER (G) so that it is in the middle of the stud. stud. Figure 20. Set Instrument Signal to Midpoint VRG Controls LLC. 17 of 32 JANUARY 2019 VRG CONTROLS LLC. 17 of 33...
  • Page 18 0.25 psig causes the output gauge to swing in nal of 0.25 psig causes the output gauge to either direction. swing in either direction. VRG Controls LLC. 18 of 32 JANUARY 2019 VRG CONTROLS LLC. 18 of 33...
  • Page 19 TABLE 10.0 RANGE SPRING SCREW PD-5098 VGP RANGE SCREW 7/8 LNG PD-5100 VGP RANGE SCREW 1-5/8 LNG PD-5101 VGP RANGE SCREW 2-1/4 LNG VRG Controls LLC. 19 of 32 JANUARY 2019 VRG CONTROLS LLC. 19 of 33 DECEMBER 2020...

  • Page 20: Piping Diagrams

    Action open/close on increasing depends on direction of the feedback mechanism. The table refers to “down to open” mechanisms. If mechanism is “down to close” the action will re- verse. All shown diagrams have feedback mechanism “down to open”. VRG Controls LLC. 20 of 32 JANUARY 2019 VRG CONTROLS LLC.
  • Page 21 VGP-SN Valve Gas Positioner VGP-SN Valve Gas Positioner Instruction Manual Instruction Manual VRG Controls LLC. 21 of 32 JANUARY 2019 VRG CONTROLS LLC. 21 of 33 DECEMBER 2020...
  • Page 22 Other Port ID TEXT Gage Label TEXT OPEN Pneumatic Connection Adjustment Tag Line Range Spring CLOSE Bias Adjustment SENSITIVITY-DEADBAND ADJUSTMENT LESS DEADBAND MORE MORE SENSITIVITY LESS VRG Controls LLC. 22 of 32 JANUARY 2019 VRG CONTROLS LLC. 22 of 33 DECEMBER 2020...
  • Page 23 Range Spring CLOSE CLOSE Bias Adjustment Bias Adjustment SENSITIVITY-DEADBAND ADJUSTMENT SENSITIVITY-DEADBAND ADJUSTMENT LESS DEADBAND MORE LESS DEADBAND MORE MORE SENSITIVITY LESS MORE SENSITIVITY LESS VRG Controls LLC. 23 of 32 JANUARY 2019 VRG CONTROLS LLC. 23 of 33 DECEMBER 2020...
  • Page 24 Other Port ID TEXT Gage Label TEXT OPEN Pneumatic Connection Adjustment Tag Line Range Spring CLOSE Bias Adjustment SENSITIVITY-DEADBAND ADJUSTMENT LESS DEADBAND MORE MORE SENSITIVITY LESS VRG Controls LLC. 24 of 32 JANUARY 2019 VRG CONTROLS LLC. 24 of 33 DECEMBER 2020...
  • Page 25 Range Spring CLOSE CLOSE Bias Adjustment Bias Adjustment SENSITIVITY-DEADBAND ADJUSTMENT SENSITIVITY-DEADBAND ADJUSTMENT LESS DEADBAND MORE LESS DEADBAND MORE MORE MORE SENSITIVITY SENSITIVITY LESS LESS VRG Controls LLC. 25 of 32 JANUARY 2019 VRG CONTROLS LLC. 25 of 33 DECEMBER 2020...
  • Page 26 TEXT Gage Label TEXT Pneumatic Connection Adjustment Tag Line CLOSE Bias Adjustment Range Spring SENSITIVITY-DEADBAND ADJUSTMENT LESS DEADBAND MORE SIGNAL MORE SENSITIVITY LESS VRG Controls LLC. 26 of 32 JANUARY 2019 VRG CONTROLS LLC. 26 of 33 DECEMBER 2020 OPEN...
  • Page 27 Bias Adjustment Range Spring Range Spring SENSITIVITY-DEADBAND ADJUSTMENT SENSITIVITY-DEADBAND ADJUSTMENT LESS DEADBAND MORE LESS DEADBAND MORE SIGNAL SIGNAL MORE SENSITIVITY LESS MORE SENSITIVITY LESS VRG Controls LLC. 27 of 32 JANUARY 2019 VRG CONTROLS LLC. 27 of 33 DECEMBER 2020...
  • Page 28 Other Port ID TEXT Gage Label TEXT Pneumatic Connection Adjustment Tag Line CLOSE Bias Adjustment SENSITIVITY-DEADBAND ADJUSTMENT Range Spring LESS DEADBAND MORE SIGNAL MORE SENSITIVITY LESS VRG Controls LLC. 28 of 32 JANUARY 2019 VRG CONTROLS LLC. 28 of 33 DECEMBER 2020...

  • Page 29: Repair Kit

    Bias Adjustment SENSITIVITY-DEADBAND ADJUSTMENT SENSITIVITY-DEADBAND ADJUSTMENT Range Spring Range Spring LESS DEADBAND MORE LESS DEADBAND MORE SIGNAL SIGNAL MORE SENSITIVITY LESS MORE SENSITIVITY LESS VRG Controls LLC. 29 of 32 JANUARY 2019 VRG CONTROLS LLC. 29 of 33 DECEMBER 2020...

  • Page 30: Factory Quality Checklist

    O-Ring, -010, Buna, 3/8 x 1/4 O-Rings x 1/16 EL-0220 O-Ring, -012, Buna O-Rings EL-0220 O-Ring, -014, Buna O-Rings Mobilith SHC 220 Standard VRG Lubricant VRG Controls LLC. 30 of 32 JANUARY 2019 VRG CONTROLS LLC. 30 of 33 DECEMBER 2020...

  • Page 31: Annual Maintenance Checklist

    VGP-SN Valve Gas Positioner Instruction Manual VRG CONTROLS LLC. 31 of 33 DECEMBER 2020...
  • Page 32 4. ________ Check Integrity of VGP “SN” Pilot Seat Assemblies by increasing/decreasing the signal such that full differential pressure is achieved on CLOSE/OPEN gages. 5. ________ Replace Elastomers Utilizing VRG Controls VGP “SN” Series Repair Kit if leaks are found. See the Assembly Manual for the VGP “SN”Series Valve Pilot Controller.
  • Page 33 While this information is presented in good faith and with respect to the products, nor as a recommendation to believed to be accurate, VRG Controls LLC. does not use any product of process in conflict with any patent. VRG guarantee satisfactory results from reliance upon such Controls LLC.

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Vgp-100-da-snVgp-100-da-sn-spl

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