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Applicable Models:
This instruction manual applies to the following VRG LHPA-SR units. To confirm suitability for
additional models and/or components or to request other sizes, please contact VRG Controls or
find us online at www.vrgcontrols.com.
LHPA-SR-5x1-1/8
LHPA-SR-6x1.5
LHPA-SR-6x2
LHPA-SR-6x2.5
VRG Controls LLC.
Linear High Pressure Actuator - Spring Return
Installation, Operation & Maintenance Manual
LHPA-SR-8x2
LHPA-SR-8x3
LHPA-SR-8x4
LHPA-SR-8x6
ADDRESS: VRG Controls, LLC.
1199-B Flex Court
Lake Zurich, IL 60047, USA
TOLL FREE: (844) 356-9874
E-MAIL: sales@vrgcontrols.com
WEBSITE: vrgcontrols.com
Page 1 of 29
LHPA-SR-10x3
LHPA-SR-10x4
LHPA-SR-10x5
REV 1, July 2024
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Related Manuals for VRG Controls LHPA-SR-5x1-1/8
Summary of Contents for VRG Controls LHPA-SR-5x1-1/8
- Page 1 Installation, Operation & Maintenance Manual Applicable Models: This instruction manual applies to the following VRG LHPA-SR units. To confirm suitability for additional models and/or components or to request other sizes, please contact VRG Controls or find us online at www.vrgcontrols.com. LHPA-SR-5x1-1/8...
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Page 2: Table Of Contents
Introduction The VRG Controls LHPA-SR Linear High Pressure Should you have any questions, you may contact Actuator w/ Spring Return failure mode is a high your local VRG Controls sales representative or VRG DESCRIPTION PAGE performance pneumatic actuator designed specifically Controls technical assistance at: INTRODUCTION &... -
Page 3: General Service Information
• When removing seals form seal grooves, use trained, equipped, prepared and competent If H2S is present in supply gas, consult VRG Controls a commercial seal removing tool or a small personnel. for limitations. -
Page 4: Storage, Operation, & Installation
Although VRG Controls designs and material to prevent damage to critical seals inside manufactures products of the highest quality, the actuator and/or control instrumentation. -
Page 5: Product Model Number Derivation
2. 22, 42, 52 and 62 springs are for Surge Control applications only. Supply Supply Exhaust Piston Drive Flange Spring Plug VRG Controls LLC. Page 8 of 29 REV 1, July 2024 VRG Controls LLC. Page 9 of 29 REV 1, July 2024... -
Page 6: Detailed Views
Cylinder Rod Extension Jam Nut Bracket Screw and Washer Cylinder Stud Extension Washer, Lock Washer, Nut Housing Nut Holder VRG Controls LLC. Page 10 of 29 REV 1, July 2024 VRG Controls LLC. Page 11 of 29 REV 1, July 2024... -
Page 7: Spacer Explanation
• Cylinder Stud Extension attaches to the top side of LHPA Coupling Block • Guide Support and Guide Support Pins attach to the side of the LHPA Coupling Block VRG Controls LLC. Page 12 of 29 REV 1, July 2024 VRG Controls LLC. - Page 8 Maintenance Background Causes of Cylinder Leakage SIDE NORMALLY PRESSURIZED WHEN VRG Controls manufactures the highest quality Actuator cylinder seal leakage is cased by wear over 1. Apply presure to inlet port of cylinder until full VALVE IS IN SERVICE pneumatic cylinders in order to ensure long-life and long periods of time.
- Page 9 REFERENCE 9. Remove any rust, dirt, or foreign material from MARK CYLINDER TUBE (C) wall and PISTON (K) using solvent if need. VRG Controls LLC. Page 16 of 29 REV 1, July 2024 VRG Controls LLC. Page 17 of 29...
- Page 10 3/4" - 16 01-6838 01-6833 01-9956 GLAND PLATE Tie Rod Nut Torque & Seal Kit Information GLAND SCREWS VRG Controls LLC. Page 18 of 29 REV 1, July 2024 VRG Controls LLC. Page 19 of 29 REV 1, July 2024...
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Page 11: Assembly Instructions
Check the valve for lockup. Continue rotating the coupling Flat Washer block until lockup is acheived. Lock Washer VRG Controls LLC. Page 20 of 29 REV 1, July 2024 VRG Controls LLC. Page 21 of 29... - Page 12 Indicator Lock Washer Indicator Screw The LHPA-SR valve and actuator are now completely assembled. VRG Controls LLC. Page 22 of 29 REV 1, July 2024 VRG Controls LLC. Page 23 of 29 REV 1, July 2024...
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Page 13: Repair Kit Information
Notes: 1. Includes ALL available seals and wear components for LHPA Actuator Piston Assemblies with tailrod and without tailrod 2. Suitable for ALL VRG Controls LHPA-SR Actuator Models 3. Includes following components: • Cylinder U-Cup Seals (2) • Cylinder Wear Strip... - Page 14 Linear High Pressure Actuator - Spring Return Installation, Operation & Maintenance Manual Installation, Operation & Maintenance Manual FACTORY ACCEPTANCE TESTING FACTORY ACCEPTANCE TESTING VRG Controls LLC. Page 26 of 29 REV 1, July 2024 VRG Controls LLC. Page 27 of 29...
- Page 15 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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