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ASME A17.9 CSA B44.9 2023

ASME A17.9 CSA B44.9 2023

$98.04

ASME CSA B44.9:23/ASME A17.9-2023 Elevator Buffers

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ASME 2023
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This Standard covers mechanical requirements of construction, marking, and type testing requirements for oil buffers and elastomeric buffers intended to be installed in passenger and freight elevators in accordance with ASME A17.1/CSA B44.

PDF Catalog

PDF Pages PDF Title
3 Standards Update Service
8 Contents
10 CSA Technical Committee on the Elevator Safety Code
15 ASME A17 Standards Committee
18 CSA/ASME Joint Subcommittee on Elevator Buffers
19 Preface
22 1 Scope
1.1 Inclusions
1.2 Exclusions
1.3 Dual measurements
1.4 Terminology
2 Reference publications
3 Definitions
23 4 Construction
4.1 Oil buffer
4.1.1 Stroke
4.1.2 Retardation
4.1.3 Factor of safety for oil-buffer parts
4.1.4 Slenderness ratio for members under compression as columns
4.1.5 Plunger requirements
24 4.1.6 Means for determining oil level
4.1.7 Buffer oil requirements
4.2 Elastomeric buffers
4.2.1 Retardation
4.2.2 Return speed
4.2.3 Deformation
4.2.4 Full compression
5 Marking and literature requirements
5.1 Oil buffer data plate
5.2 Oil buffer drawings
25 5.3 Elastomeric buffer data plate
5.4 Elastomeric buffer drawings
6 Tests
6.1 Tests for oil buffers
6.1.1 General
6.1.2 Test sample
26 6.1.3 Testing equipment
6.1.4 Installation of the buffer and preparations for tests
27 6.1.5 Test procedure
29 6.2 Tests for elastomeric buffers
6.2.1 Test sample
6.2.2 Testing equipment
30 6.2.3 Installation of the buffer and preparation for tests
6.2.4 Test procedure
31 6.2.5 Test result
Figure
Figure 1 Example of buffer test retardation profile

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ASME A17.9 CSA B44.9 2023
$98.04