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ASME B31.5-2022: Refrigeration Piping and Heat Transfer Components

$

443

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ASME B16.5-2025: Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24, Metric/Inch Standard

$

540

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ASME B16.34-2025: Valves Flanged, Threaded and Welding End

$

450

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ASME B16.25-2022: Buttwelding Ends

$

143

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ASME B16.11-2021: Forged Fittings, Socket-Welding and Threaded

$

164

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ASME B16.20-2023: Metallic Gaskets for Pipe Flanges

$

218

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ASME B16.1-2026: Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

$

210

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ASME B16.9-2024: Factory-Made Wrought Buttwelding Fittings

$

248

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API STD 521: Guide for Pressure-relieving and Depressuring Systems – Edition 6

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682

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API STD 653: Tank Inspection, Repair, Alteration, and Reconstruction – Edition 4

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507

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ASME B16.1

ASME B16.1-2026: Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

CDN $210.00

This publication was last reviewed and confirmed in 2020.

Category:

Description

This Standard for Classes 25, 125, and 250 Cast Iron Pipe Flanges and Flanged Fittings. It includes (a) pressure-temperature ratings, (b) sizes and method of designating openings of reducing fittings, (c) marking, (d) materials, (e) dimensions and tolerances, (f) bolting and gaskets (g) pressure testing.

Edition

2026

Published Date

2026-06-12

Status

Current

Pages

49

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This Standard for Classes 25, 125, and 250 Cast Iron Pipe Flanges and Flanged Fittings. It includes (a) pressure-temperature ratings, (b) sizes and method of designating openings of reducing fittings, (c) marking, (d) materials, (e) dimensions and tolerances, (f) bolting and gaskets (g) pressure testing.

Previous Editions

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