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Flange Bolt Size & Torque Screenshot 0
Flange Bolt Size & Torque Screenshot 1
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About Flange Bolt Size & Torque

Look up flange bolt sizes and torque patterns in three taps with Flange Bolt.

Just enter the flange size, type, and class, and the tool instantly shows the ASME values for:

1. Number of studs
2. Diameter of studs
3. Length of studs
4. Torque pattern
5. Suggested torque

All values are sourced directly from flange bolt charts and flange torque charts in the ASME B16.5 "Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard" (2017).

Looking up flange bolt sizes and torque patterns with Flange Bolt 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 a pipefitters, steamfitters, and others working in piping to look up flange bolt size and torque pattern information.

Is there a feature you'd like from Flange Bolt 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 flange bolt sizes and torque patterns: Just enter the flange size, class, and type and the app instantly populates the correct values from the flange bolt size chart and the flange torque sequence chart, along with wrench size.

3. Flange torque sequence image: Each lookup shows the correct flange torque sequence image in picture form, with the studs numbered.

The information in this app covers:

(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.

Covers 4 bolt to 60 bolt sequences.

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Frequently Asked Questions(FAQ)

What information does the Flange Bolt tool provide?

The Flange Bolt tool provides information on flange bolt sizes, torque patterns, number of studs, diameter of studs, length of studs, and suggested torque.

Where does the Flange Bolt tool source its information from?

The Flange Bolt tool sources its information directly from the flange bolt charts and flange torque charts in the ASME B16.5 "Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard" (2017).

How does the Flange Bolt tool make it easier to look up flange bolt sizes and torque patterns?

The Flange Bolt tool eliminates the need to search through PDF charts and tables by instantly populating the correct values based on the entered flange size, class, and type.

Are there any additional features in the Flange Bolt app?

Yes, the Flange Bolt app offers full offline capability, instant flange bolt size and torque pattern lookup, and a flange torque sequence image for each lookup.

What types of flanges and flange fittings does the information in the app cover?

The information in the app covers flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 60, flanges with rating class designation 2500 in sizes NPS 1/2 through NPS 12, and flanged fittings with rating class designation 150, 300, 400, 600, 900, 1500, and 2500 in sizes NPS 1/2 through NPS 60.

How many bolt sequences does the app cover?

The app covers bolt sequences ranging from 4 bolts to 60 bolts.
author
So far, its been exactly what I was looking for! Great app, easy to use, and easy to understand! Love the fact that I don't need service to use it because I don't always have service offshore!
Chris D
author
I think this was the third app I tried and I think I've found the one I like. It's simple and so far accurate.
Johnny Chance
author
Excellent app
victor palacios
author
Very easy to use and helpful. Even though these are UNC threads, could you add threads per inch?
Steve Spilker