GH-Bettis Spring Return ST3XX-SR, ST4XX-SR, ST3XX-SRX, ST3XX-SRX-M3, ST3XX-SRX-M3HW, ST4XX-SRX, ST4XX-SRX-M3, ST4XX-SRX-M3HW Pneumatic Actuator Service Instructions
Below you will find brief information for Spring Return ST3XX-SR, Spring Return ST4XX-SR, Spring Return ST3XX-SRX, Spring Return ST3XX-SRX-M3, Spring Return ST3XX-SRX-M3HW. This document is a guide to enable general maintenance to be performed on GH-Bettis ST3XX-SRX, ST3XX-SRX-M3, ST3XX-SRX-M3HW, ST4XX-SRX, ST4XX-SRX-M3, and ST4XX-SRX-M3HW series actuators.
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Key Features
- Spring Return
- Pneumatic Actuator
- Disassembly and Reassembly
- Complete Actuator Refurbishment
- M3 Jackscrew
- Fail Close Actuator
- Fail Open Actuator
- General Maintenance
Frequently Answers and Questions
What is the maximum recommended service interval for this actuator series?
The maximum recommended service interval for this actuator series is five years. Storage time is counted as part of the service interval.
What lubrication should be used for standard and high temperature service?
Standard and high temperature service (-20°F to 350°F) use ESL-5 lubricant.
What lubrication should be used for low temperature service?
Low temperature service (-500F to 1500F) use Kronaplate 50.
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