EasyManua.ls Logo

Sensus 121 Series User Manual

Sensus 121 Series
24 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
RM-1328 R10
Sensus Metering Systems
Model 121 Regulators
THE GAS INDUSTRY
Installation and
Maintenance
Instructions
Question and Answer IconNeed help?

Do you have a question about the Sensus 121 Series and is the answer not in the manual?

Sensus 121 Series Specifications

General IconGeneral
BrandSensus
Model121 Series
CategoryController
LanguageEnglish

Summary

Introduction to Model 121 Regulators

Installation Procedures

Step-by-step guide for correct installation, including checks and connections.

Start-Up Procedures

Procedure for safely bringing the regulator into operation, including pressure checks.

Safety Cautions and Notes

Important warnings and notes regarding installation and operation safety.

Operational Constraints and Adjustments

Set Point Adjustment

Detailed instructions on how to adjust the regulator's output pressure.

Shutdown and General Servicing

Procedures for safely taking the regulator out of service and general servicing.

Servicing 3/4", 1", 1-1/4" Models

Servicing Back Pressure Models (3/4"-1"-1-1/4")

Servicing 1-1/2", 2", 2-1/2" Models

Service Procedures (Valve, V-Port Wing, Diaphragm, Orifice, Seal)

Detailed steps for servicing various regulator components.

Servicing Back Pressure Models (1-1/2"-2"-2-1/2")

General Instructions for Back Pressure Models

Core guidelines applicable to servicing back pressure regulator configurations.

Service Procedures for Back Pressure Models

Specific steps for servicing diaphragm, valve, and orifice.

Servicing 3", 4" Models

General Servicing Instructions

Key guidelines before performing any service on the regulators.

Service Procedures (Valve, Diaphragm, Orifice, Seal)

Detailed steps for servicing various regulator components.

Servicing Back Pressure Models (3", 4")

Specific servicing instructions for back pressure configurations.

Service Procedures for Seal Diaphragm (12b)

Seal Diaphragm Service Steps

Steps for servicing the seal diaphragm component.

Vacuum Regulator Operation and Service

121-RPC (Relay Pilot Control) Variations

RPC Set Point and Spring Adjustment

Instructions for adjusting set point and changing springs on the RPC model.

RPC Service Procedures

Specific steps for servicing the RPC regulator.

121-PL (Pressure Loaded) Variations

PL Service Procedures

Specific steps for servicing the PL regulator.

Safety Features and Material Specifications

Related product manuals