Ametek Magnetrol B35 - Default Chapter; Table of Contents

46-622 Series 3 Liquid Level Switches ASME B31.3 Construction
1.0 Introduction
1.1 Principle of Operation ..............................................4
1.2 Operating Cycle ........................................................4
2.0 Installation
2.1 Unpacking ................................................................4
2.2 Critical Alarm Function............................................5
2.3 Piping .......................................................................5
2.4 Mounting..................................................................5
2.5 Wiring ......................................................................6
3.0 Switch Differential Adjustment
3.1 Low Level Controls...................................................8
3.2 High Level Controls..................................................9
4.0 Preventive Maintenance
4.1 Recommended Practice ...........................................10
4.1.1 Keep Control Clean .....................................10
4.1.2 Inspect Switch Mechanisms, Terminals, and
Connections Monthly ..................................10
4.1.3 Proof Test Procedure.....................................11
4.1.4 Control Head Removal and Installation.......12
4.2 Troubleshooting ......................................................14
4.2.1 Check Switch Mechanism ............................14
4.2.2 Check Sensing Unit......................................15
4.3 What To Avoid........................................................16
5.0 Reference Information
5.1 Agency Approvals....................................................17
5.2 Specifications ..........................................................18
5.2.1 Dimensional Specifications — Sealed
Cage Models ................................................18
5.2.2 Dimensional Specifications — Flanged
Cage Models ................................................20
5.2.3 Actuating Levels, Steam Service Ratings
and Specific Gravities ...................................23
5.3 Replacement Parts...................................................25
5.3.1 Sealed Cage Float Models B35, C35,
G35, K35, L35, V35 and Z35
Parts Identification......................................25
5.3.2 Sealed Cage Float Models B35, C35, G35
K35, L35, V35 and Z35 Part Numbers ......25
5.3.3 Sealed Cage Displacer Model B34
Parts Identification......................................26
5.3.4 Sealed Cage Displacer Model B34
Part Numbers..............................................26
5.3.5 Flanged Cage Displacer Model C34
Parts Identification......................................27
5.3.6 Flanged Cage Displacer Model C34
Part Numbers..............................................27
5.3.7 Flanged Cage Float Models B3F, G3F
K3F and Z3F w/Material Code 1
Parts Identification......................................28
5.3.8 Flanged Cage Float Models B3F, G3F, K3F
and Z3F w/Material Code 1 Part Numbers..28
5.3.9 Flanged Cage Float Models B3F, G3F, K3F
and Z3F w/Material Code 2 & N
Parts Identification......................................29
5.3.10 Flanged Cage Float Models B3F, G3F, K3F
and Z3F w/Material Code 2 & N
Part Numbers..............................................29
5.4 Model Numbers
5.4.1 Sealed Cage Models ....................................30
5.4.2 Flanged Cage Models..................................32
Series 3
Liquid Level Switches
ASME B31.3 Construction
Table of Contents