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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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CSA Z662:19 – Oil and gas pipeline systems

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CSA B51:24 Boiler, Pressure Vessel, and Pressure Piping Code

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ISO 3456:1975

ISO 3456:1975 Aircraft – Lever-operated manual switches (Class 3) – Performance requirements

CDN $82.00

SKU: 8884c8185835 Categories: ,

Description

Specifies the values for single- and triple-hole mounting of these switches for use in nominal 28 V d. c. and 115/200 V three-phase, 400 Hz a. c. systems. They are environmentally sealed and suitable for higher altitude and temperature conditions than are Class 2 switches which are sealed only at the lever entry. They do not have the positive action features of the Class 1 and Class 2 switches specified in ISO 1466.

Edition

1

Published Date

1975-12-01

Status

PUBLISHED

Pages

6

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

Specifies the values for single- and triple-hole mounting of these switches for use in nominal 28 V d. c. and 115/200 V three-phase, 400 Hz a. c. systems. They are environmentally sealed and suitable for higher altitude and temperature conditions than are Class 2 switches which are sealed only at the lever entry. They do not have the positive action features of the Class 1 and Class 2 switches specified in ISO 1466.

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