Murphy LS200N Manual - Free PDF Download

Page 5 - LS200 Liquid Level Switch Features and Specifications

Details on the LS200 Liquid Level Switch design for harsh environments, material specifications, pressure ratings, mounting options, and dimensional comparisons with the L1100 model, including diagrams and measurement tables.

Page 6 - LS200NDVOR Pneumatic Level Device Specifications

Technical specifications for the LS200NDVOR float-activated pneumatic-vent level device, including 2" NPT mounting, pneumatic snap action output, built-in pressure regulator, filter, and a 20BPG pressure gauge, along with dimensional drawings.

Page 7 - Comparison of Pneumatic Level Switch Models

Details on the LS200NDVO (with dump valve operator) and LS200N (lacking DVO and filter regulator) models, including their functions and technical diagrams showing dimensions and component specifications.

Page 8 - Pressure Vessel Installation Procedures

Step-by-step instructions for installing pressure vessel models LS200, LS200N, and L1100, detailing methods like direct installation into the vessel wall or using a weld collar, securing components, and verifying connections before pressurization.

Page 9 - Installation of External Float Chambers

Instructions for mounting external float chambers and pneumatic models, specifying positioning requirements for the LS200 series level switch, setup for clean air/gas systems, required pressure ranges, and the necessity of a filter/regulator.

Page 10 - Valve Seat Adjustment and Trip Cam Operation

Instructions on adjusting the valve seat to eliminate air or gas leaks and changing the trip cam operating lever orientation between normal (rising level venting) and alternate (falling level venting) operation, including safety cautions.

Page 11 - Replacing DVO Assembly

Instructions for replacing and installing the DVO assembly on LS200NDVO & LS200NDVOR models, specifying required tools, pressure relief procedures, and warnings regarding part interchangeability with L1200 series parts.

Page 12 - DVO Component Removal and Replacement

Step-by-step procedure for removing and replacing the DVO component in LS200NDVO/DVOR, involving blocking gas pressure, disconnecting tubing, removing the old unit, and installing a new one with references to figures showing the adjustable orifice.

Page 13 - LS200NDVO/DVOR Valve Installation and Adjustment

Installation and adjustment procedures for the LS200NDVO/DVOR valve, including tightening the valve, regulating pneumatic input pressure, adjusting the orifice, reinstalling fittings, and cautionary notes regarding thread sealant.

Page 14 - Electrical Switch Specifications and Replacement Parts

Details on electrical switch specifications for SPDT and DPDT snap switches, including wire color codes and current ratings, along with replacement part numbers and compatibility notes for LS200, LS200N, and LS200NDVO/LS200NDVOR models.

Page 15 - L1100 System Components and Accessories

Components and accessories for the L1100 system, including part numbers for floats and switches, and technical specifications for accessories such as the Weld Collar and Adapter Bushing, detailing material and operating pressure ratings.

Page 16 - External Float Chamber Technical Drawings

Technical drawings and specifications for external float chambers, models 15051098 and 15051168, including multiple views with dimensions, tolerances, mounting information, and operating ratings of 2000 psi and 400°F.

Page 17 - Float Shaft Extension Specifications

Details on part 15000478, the Float Shaft Extension, including dimensions, material specifications (AISI 303, UNS-S30300), and thread specifications.

Page 18 - General Device Specifications

Technical specifications covering various models including LS200, LS200NDVOR, LS200DVO, LS200 N, and L1100, detailing material details, pressure and temperature ratings, electrical configurations, and approximate shipping weights and dimensions.