Emerson E2 Instruction Manual
  1. Manuals
  2. Brands
  3. Emerson Manuals
  4. Control Unit
  5. E2
  6. Instruction manual

Emerson E2 Instruction Manual

Main valve
Hide thumbs Also See for E2:
Table of Contents

Advertisement

Quick Links

Download this manual
Instruction Manual
VCIMD-14935
November 2021
Spence Type E2 Main Valve
▲
Failure to follow these instructions or
to properly install and maintain this
equipment could result property damage
and personal injury or death.
Type E2 main valve must be
installed, operated and maintained
in accordance with federal, state and
local codes, rules and regulations and
Emerson instructions.
If the valve 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 Type E2 main valve.
Introduction
Scope of the Manual
This manual provides instructions for the installation,
troubleshooting, maintenance, valve setting and parts
ordering for Type E2 main valve regulator.
WARNING
Product Description
The Type E2 Main Valve is pilot-operated normally
closed, single seat design featuring packless
construction, and protected main spring.
One or more pilot regulators are mounted to Type E2
main valve to fit with the specifications defined by the
pressure or temperature regulating system.
www.SpenceValve.com
Figure 1. Type E2 Main Valve
Type E2

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the E2 and is the answer not in the manual?

Questions and answers

Related Manuals for Emerson E2

Summary of Contents for Emerson E2

  • Page 1 Scope of the Manual construction, and protected main spring. This manual provides instructions for the installation, One or more pilot regulators are mounted to Type E2 troubleshooting, maintenance, valve setting and parts main valve to fit with the specifications defined by the ordering for Type E2 main valve regulator.

  • Page 2: Specifications

    Type E2 Specifications This section lists the specifications for the Type E2 main valve. Factory specifications are stamped on the nameplate fastened on the regulator at the factory. Valve Sizes Temperature Rating NPS 3/4, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3, 4, 5, 6, 8 and 250 °F/ 121 °C...

  • Page 3: Principle Of Operation

    Type E2 Planning Principle of Operation • Locate the valve in a straight run of horizontal pipe. The regulator is operated by initial steam or fluid pressure. It is normally closed, being held so by initial • Allow headroom above the valve for access through pressure on the disc and by an internal main spring, the blind flange.
  • Page 4 TRAP SECONDARY PRV OR CONTROL VALVEV RECOMMENDED AT LEAST RECOMMENDED AT LEAST 20 PIPE 10 PIPE DIAMETERS (D DIAMETERS (D ) TO FIRST TURN, STRAIGHT RUN, FULL SIZE SECONDARY PRV OR CONTROL VALVE Figure 2. Type E2 Main Valve Installation...
  • Page 5 BELOW THIS LINE UNION RESTRICTION BEND NO. 5B OPEN ELBOW Figure 3. Mounting Pilot on Type E2 Main Valve Control Pipe (Not required with For Integral Mount Construction Type T14) 1. Remove blind flange on pilot and mount on blind flange of main valve using provided bolt.

  • Page 6: Troubleshooting

    • Orifice in bleed port No. 4A may be plugged. See individual instructions for other pilots. • By-pass valve may be leaking. • On pressure regulators like Type E2, the main valve Valve Setting or pilot may be held open by foreign matter in seat.

  • Page 7: Maintenance

    When corresponding with your local Sales Office about stem nuts. Type E2 Main Valve, always reference the assembly 3. Use penetrating oil on the threads. number. When ordering replacement parts, specify the complete character part number from the following parts list.
  • Page 8 Type E2 Table 3. Type E2, NPS 3/4 to 3 / DN 20 to 80 Parts List VALVE SIZE, NPS / DN ITEM PART MATERIAL NUMBER NAME 3/4 / 20 1 / 25 1-1/4 / 32 1-1/2 / 40 2 / 50...
  • Page 9 Type E2 Table 4. Type E2, NPS 4 to 10 / DN 100 to 250 Parts List VALVE SIZE, NPS / DN ITEM PART MATERIAL NUMBER NAME 4 / 100 5 / 125 6 / 150 8 / 200 10 / 250...
  • Page 10 Type E2 Figure 4. Type E2 Assembly Drawing...
  • Page 11 Type E2 Figure 4. Type E2 Assembly Drawing (continued) Table 5. Type E2 Main Valve K Values VALVE SIZE TYPE E2 Hood (K) Total 3/16 5/16 1-1/4 7/32 1-1/2 7/16 9/32 9/16 2-1/2 11/32 11/16 13/32 13/16 15/32 15/16 17/32...
  • Page 12 SpenceValve.com VCIMD-14935 © 2021 Emerson Electric Co. All rights reserved 11/21. Spence is a mark owned by one of the companies in the Emerson Automation Emerson Automation Solutions Solutions business unit of Emerson Electric Co. The Emerson logo is a trademark and service mark of Emerson Electric Co.

Table of Contents