Look up flange dimensions, bolt sizes, patterns, torque, and more in three taps.
About Flange Bolt Chart
Flange Bolt Chart is a tools app developed by Pipe Charts.
Download Statistics
Flange Bolt Chart has been downloaded 73 thousand times. In the last 30 days, the app was downloaded 900 times.
User Ratings
Flange Bolt Chart is rated 4.59 out of 5 stars. The rating is based on 440 ratings.
App Information
Flange Bolt Chart is FREE to download. The APK download size is 49.29 MB. The latest version available is 34.3.11. The last update was on March 19, 2026.
Technical Requirements
Flange Bolt Chart requires Android 5.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play July 2020.
Description
Lookup flange, pipe, and bolt data in seconds with Flange Bolt Chart.
All data is available offline, lookups are instantaneous.
Here's just a sample of the available data.
Flange bolting data: 1. Number of bolts 2. Diameter of bolts 3. Length of bolts 4. Wrench size 5. Torque pattern 6. Target torque
Flange dimensions data: 1. Outside diameter of flange 2. Flange thickness 3. Diameter of bolt circle 4. Flange weight
Gasket data: 1. Gasket inside diameter 2. Gasket outside diameter 3. Spiral wound dimensions 4. Type R ring dimensions
And many more fields.
All values are calculated or sourced directly from official standards like ASME B16.5 "Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard".
Looking up flange, pipe, and bolt data with Flange Bolt Chart is far faster and less error prone than searching through PDF charts and tables. The sole purpose of the tool is to make it as simple as possible for pipefitters, steamfitters, and others working in piping to look up piping information like flange bolt size and torque pattern.
Is there a feature you'd like from Flange Bolt Chart that you don't see? Request it through the app and we'll do our best to add it to the development schedule.
Features of the app: 1. Full offline capability: No internet connection necessary to use. All data is stored locally on your phone. (The app requires minimum storage space overall)
2. Instant data lookups. Just enter the necessary inputs (like nominal pipe size and flange class) and the app instantly populates the correct values for the flange, pipe, or bolt outputs you’re searching for.
3. Flange torque sequence images: Includes the full list of torque sequences in picture form, with the studs numbered.
The information in this app covers, but is not limited to:
(1) flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 60 and flanges with rating class designation 2500 in sizes NPS 1/2 through NPS 12, with requirements given in U.S. Customary units with diameter of bolts and flange bolt holes expressed in inch units;
(2) flanged fittings with rating class designation 150 and 300 in sizes NPS 1/2 through NPS 60, with requirements given in U.S. Customary units with diameter of bolts and flange bolt holes expressed in inch units;
(3) flanged fittings with rating class designation 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 60 and flanged fittings with rating class designation 2500 in sizes NPS 1/2 through NPS 12 in U.S. Customary units.
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This is an excellent app for fitters and machinists Thanks to the manufacturer and programmer.
★★★★★Mohd Ziauddin· Sep 13, 2024
Dear Sir/Madam, I am writing to express my appreciation for the helpfulness of your app for the Gulf oil and gas mechanical maintenance department. The information provided on flanges, gaskets, stud bolts & nuts, blinds, bolting (sequence), torquing, and dimensions has been invaluable to me. However, I am unable to purchase the app to access unlimited searches. I would be grateful if you could provide me with information on how I can make a purchase. Thank you for your time and consideration.
★★★★★Gary Costanza· Apr 2, 2024
What a great app. I use the bolt pattern the most. It was very inconvenient to look for the pattern. It is so easy with the app. It also has bolted diameter and length. It also has stud length.
★★★★★GILZ -· Aug 9, 2023
Nice app, better adding type std for flange like API, NORSOk etc...
★☆☆☆☆David Freeman· Jun 20, 2024
Trash. Won't even let me use it. Downloaded and tried to search and just says free users get 20 uses, so I have to upgrade to premium. Haven't even used it once.
★★☆☆☆T F· Jun 29, 2025
The app is awesome, but it says I hit my limit after a couple look-ups. . Edit for response- I understand that power users might have a need to purchase, but a couple lookups didn't constitute "power usage".
Google Play Rankings for Flange Bolt Chart
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Technologies used by Flange Bolt Chart
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