Emerson SP - User Manual

Instruction Manual
VCIMD-16112
Pressure Regulators with Type SP/P Safety Pilot
November 2021
www.SpenceValve.com
Product Description
Complete pressure regulator with safety pilot includes
Type E Main Valve or Type D pilot and Type SP/P
Safety Pilot.
Introduction
Scope of the Manual
This manual provides instructions for the installation,
troubleshooting, maintenance, valve setting and
parts ordering for Regulator with Type SP/P Pressure
Safety Pilot.
Figure 1. Type E Main Valve with Type D Pilot and
Type SP/P Pressure Safety Pilot
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WARNING
Failure to follow these instructions or
to properly install and maintain this
equipment could result property damage
and personal injury or death.
Regulator with Type SP/P Pressure
Safety Pilot must be installed, operated
and maintained in accordance with
federal, state and local codes, rules
and regulations and Emerson Process
Management Regulator Technologies,
Inc. (Emerson) instructions.
If the regulator vents gas or a leak
develops in the system, service to
the unit may be required. Failure
to correct issue could result in a
hazardous condition.
Installation, operation and maintenance
procedures performed by unqualified
personnel may result in improper
adjustment and unsafe operation. Either
condition may result in equipment
damage or personal injury. Only a
qualified person shall install or service
the Regulator with Type SP/P Pressure
Safety Pilot.
Spence Regulators with Type SP/P
Pressure Safety Pilot

Emerson SP Specifications

General

Brand	Emerson
Model	SP
Category	Controller
Language	English

Summary

Introduction to Spence Regulators

Scope of the Manual

Provides instructions for installation, troubleshooting, maintenance, valve setting, and parts ordering.

Product Description

Details the complete pressure regulator with safety pilot, including Type E Main Valve or Type D pilot.

Specifications

Type E Main Valve Specifications

Details sizes, connections, ratings, coefficients, and materials for the Type E Main Valve.

Type D Pilot Specifications

Lists maximum inlet temperature/pressure and pressure ranges for the Type D pilot.

Type SP;P Safety Pilot Specifications

Specifies maximum inlet temperature/pressure and pressure ranges for the SP/P safety pilot.

Principle of Operation

Regulator Operation

Explains how the main spring, pilot, and diaphragm control valve operation.

Safety Pilot Operation

Describes how the safety pilot functions to close the main valve if house pressure rises.

Installation

General Installation Warnings

Highlights risks of personal injury or damage from improper installation or overpressure conditions.

Adjustment Procedures

Pilot Stem Adjustment

Details steps for adjusting the pilot stem length and compression.

Pressure Stem Adjustment

Outlines the process for adjusting the pressure stem and plate position.

Delivery Pressure Adjustment

Explains how to adjust delivery pressure for Type ED and EW pilots.

Maintenance and Safety

Maintenance Warnings

Warns against disassembly without isolating pressure and advises on testing and parts.

Dismantling and Reassembling

Main Valve Dismantling

Provides steps for disassembling and cleaning the main valve.

Type D Pilot Dismantling

Details the procedure for dismantling and cleaning the Type D pilot.

Safety Pilot Dismantling

Outlines steps for dismantling, cleaning, and reassembling the safety pilot.

Troubleshooting Guide

Regulator Fails to Open

Lists checks and actions for when the regulator does not open or build sufficient pressure.

Regulator Fails to Close

Provides steps for resolving issues where delivery pressure is too high.

Parts Ordering and List

Ordering Information

Advises referencing assembly numbers when contacting sales or ordering parts.

SP;P Safety Pilot Parts List

Lists specific part numbers for the Type SP/P Safety Pilot components.