About Valve Torque Calculator
Modern fugitive emissions standards require a different approach to sealing valves with packed stuffing boxes. Even more than before the balance between leakage and stem friction becomes more important. For this reason it...
Modern fugitive emissions standards require a different approach to sealing valves with packed stuffing boxes. Even more than before the balance between leakage and stem friction becomes more important. For this reason it is crucial to tighten packing with a calculated force that keeps the balance between low emission levels and acceptable stem friction.
This tool calculates the gland bolt torque for valves that are packed with Chesterton style 1622 Low Emission Packing or Chesterton style 1724E Low Emission Sealing Sets. It requires the entry of the stuffing box inner and outer diameter, the stud diameter and number of studs and the entry of the lubricant used when tightening the valve. The tool works both in Inch and Metric units.
The generated torque is the torque that should be applied to the gland nuts.
The installation instructions of the packing used should always be followed in detail.
When using the torque in this tool and following the installation instructions of the packing, the leak level of the packing is guaranteed to stay below 100ppm, as measured following EPA Method 21, for duration of 5 years*.
*see the Chesterton Valve Emissions Warranty for conditions that apply
May 26, 2022
Version 1.1.0
- add product "5800 & 5800E"
- remove product "1726" (no more in the catalog)
- add pressure input for some caclulator formula
Previous Versions
Here you can find the changelog of Valve Torque Calculator since it was posted on our website on 2017-01-03 22:03:25.
The latest version is 1.1.0 and it was updated on 2024-04-19 16:59:36. See below the changes in each version.
Valve Torque Calculator version 1.1.0
Updated At: 2022-05-26
Changes: May 26, 2022 Version 1.1.0
- add product "5800 & 5800E"
- remove product "1726" (no more in the catalog)
- add pressure input for some caclulator formula
Valve Torque Calculator version 1.0.10
Updated At: 2017-11-22
Changes: Nov 22, 2017 Version 1.0.10
This app has been updated by Apple to display the Apple Watch app icon.
now available for :
- 1726 (Emission Sealing)
- 1600 & 1601, 5300 with End Rings, 1724 (Steam Sealing)
Valve Torque Calculator version 1.0.10
Updated At: 2017-11-22
Changes: Nov 22, 2017 Version 1.0.10
now available for :
- 1726 (Emission Sealing)
- 1600 & 1601, 5300 with End Rings, 1724 (Steam Sealing)
Valve Torque Calculator version 1.0.10
Updated At: 2017-11-22
Changes: Nov 22, 2017 Version 1.0.10
This app has been updated by Apple to use the latest Apple signing certificate.
now available for :
- 1726 (Emission Sealing)
- 1600 & 1601, 5300 with End Rings, 1724 (Steam Sealing)
Valve Torque Calculator version 1.0.1
Updated At: 2016-11-24
Valve Torque Calculator version 1.0.10
Updated At: 1970-01-01
Changes: 2017年11月22日 Version 1.0.10
now available for :
- 1726 (Emission Sealing)
- 1600 & 1601, 5300 with End Rings, 1724 (Steam Sealing)
Disclaimer
Official App Store Link
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