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Instruction Manual
VCIMD-16110
April 2022
Type D50 Pressure Regulator
▲
Failure to follow these instructions or
to properly install and maintain this
equipment could result property damage
and personal injury or death.
Type D50 pressure regulator 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 D50 pressure regulator.
Introduction
Scope of the Manual
This manual provides instructions for the installation,
Troubleshooting, maintenance and parts ordering for
Type D50 pressure regulator.
WARNING
Figure 1. Types D50 Pressure Regulator
Product Description
The Type D50 Pressure Regulator is a direct-operated
valve normally closed, single seat design featuring
packless construction, balanced metal, diaphragms
and protected main spring.
www.SpenceValve.com
www.SpenceValve.com
Type D50
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Summary of Contents for SPENCE D50
- Page 1 Introduction Scope of the Manual Product Description This manual provides instructions for the installation, The Type D50 Pressure Regulator is a direct-operated troubleshooting, maintenance and parts ordering for valve normally closed, single seat design featuring Type D50 pressure regulator. packless construction, balanced metal, diaphragms and protected main spring.
- Page 2 Type D50 Specifications This section lists the specifications for the Type D50 pressure regulator. Factory specifications are stamped on the nameplate fastened on the regulator at the factory. Valve Sizes Valve Temperature Rating NPS 1/2, 3/4, 1, 1-1/4, 1-1/2 and 2 /...
- Page 3 The above parts are all that are available. 1. Parts contained in repair kit. 2. Parts substituted in Teflon repair kit. ® Figure 2. Type D50 Operational Schematic Teflon is a mark owned by E.I. du Pont de Nemours and Co. ®...
- Page 4 Type D50 ASPIRATOR LOCATION MARK NORMAL POSITION ADJUSTED POSITION Figure 3. Aspirator Location Mark Planning the Installation are involved, the delivery pressure gauge should 1. Locate the pressure regulator in a straight run of be located as close to the process or equipment horizontal pipe.
- Page 5 Adjusting the Delivery Pressure 2. Failure to close or over-riding delivery pressure: a. Adjusting spring, key 6, may have been 1. When received, the Type D50 Pressure Regulator tampered with. is preset to the delivery pressure listed on the b. Bypass valve may be leaking or open.
- Page 6 Type D50 Table 1. Type D50 and Parts List VALVE SIZE REPAIR/CONVERSION KIT DELIVERY ADJUSTING SPRING SPRING BUTTON MATERIAL PRESSURE RANGE PART NUMBER PART NUMBER Stainless steel Teflon Seat ® 3 to 15 WAL05-13105-0 WAL17082 WAL17086 10 to 30 WAL05-13106-0...
- Page 7 Type D50 Figure 5. Type D50 Assembly...
- Page 8 SpenceValve.com VCIMD-16110 © 2022 Emerson Electric Co. All rights reserved. 04/22 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.
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