Replace the Psat Tube Ferrules
It is recommended that the VCR connector not be removed from the port fitting for this process. |
Two ferrule sets are located in the upper and lower Psat nuts. Both sets should be replaced. Additional ferrule sets were included in the analyzer’s accessory kit. |
- Ensure the Psat tube is filled at atmospheric pressure with gas before loosening the Psat nut.
- To remove the lower Psat nut, use a 7/16 in. (11 mm) wrench to loosen the Psat nut by turning the nut counter-clockwise.
- Remove the Psat tube from the Psat elbow.
- Remove the nut from the Psat tube and remove the set of teflon and nylon ferrules from inside the nut. Orient the ferrules as shown with the cone pointed out of the nut.
- Insert the Psat nut onto the Psat tube, followed by a nylon ferrule, then a teflon ferrule.
- Insert the Psat tube into the Psat elbow.
- Hand tighten the Psat nut by turning the nut clockwise. Then use an appropriate size wrench to tighten the nut an additional 3/4 turn while holding the elbow so it does not move.
- To remove the upper Psat nut, use a 7/16 in. (11 mm) wrench to loosen the Psat nut by turning the nut counter-clockwise.
- Remove the Psat tube from the VCR connector.
- Remove the nut from the Psat tube and remove the set of teflon and nylon ferrules from inside the nut.
- Reinsert the Psat nut onto the VCR connector, followed by a nylon ferrule, then a teflon ferrule. Orient the ferrules as shown with the cone pointed out of the nut.
- Insert the Psat elbow into the upper Psat nut.
- Hand tighten the upper Psat nut by turning the nut clockwise. Then use a 7/16 in. (11 mm) wrench to tighten the nut an additional 3/4 turn while holding the elbow so it does not move.
Micromeritics Learning Center Contact Us
Copyright © 2014 - 2018. Micromeritics Instrument Corporation. All rights reserved.