background image

www.SpenceValve.com

Spence D Series Pressure Reducing Pilot

 

 WARNING

Failure to follow these instructions or 

to properly install and maintain this 

equipment could result in an explosion, 

fire and/or chemical contamination 

causing property damage and personal 

injury or death.
Emerson regulator 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 trouble 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 D.

 

 WARNING

CALIFORNIA PROPOSITION 65

This product can expose you to 

chemicals including lead and nickel 

which is known to the State of 

California to cause cancer, birth 

defects or other reproductive 

harm. For more information, go to 

www.P65Warnings.ca.gov.

Introduction

Scope of the Manual

This manual provides instructions for installation, 

maintenance and parts information for the D Series 

pressure reducing pilots.

Product Description

Spence Pressure Regulator is a combination of 

D Series pilot and a Type E main valve. This regulator 

reduces a steady or varying initial pressure to a 

constant, adjustable delivery pressure.

Figure 1. 

D Series

Instruction Manual

VCIMD-14966

D Series

August 2022

Summary of Contents for D

Page 1: ...ormed 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 D WARNING CALIFORNIA PROPOSITION 65 This product can expose you to chemicals including lead and nickel which is known to the State of California to cause cancer birth defects or other repro...

Page 2: ...3 2 kg Type D2 10 lbs 4 5 kg Type D5 14 lbs 6 4 kg Type D120 16 lbs 7 3 kg Optional Accessories Spring Chamber Adjusting Handwheel Wall Bracket Locking Device Composition Disk Integral Mount Body Vacuum Spring Assembly 1 The pressure temperature limits in this Instruction Manual or any applicable standard limitation should not be exceeded TYPE PRESSURE RANGE psig bar ADJUSTING SPRING Wire Diameter...

Page 3: ...SIDE MOUNTED INTEGRALLY MOUNTED VALVE IS TAPPED SO THAT PILOT MAY BE MOUNTED ON EITHER SIDE Figure 2 Typical Type ED Installation 3 D Series ...

Page 4: ...g 1 Locate the regulator in a horizontal pipe 2 Provide a trap ahead of the regulator to prevent water hammer and erratic operation 3 Use strainer to protect the regulator and avoid damaging effects of scale and dirt in pipelines 4 Provide a three valve bypass to facilitate inspection of the regulator without interrupting service Main Valve 1 Flush the main piping system thoroughly to clear it fro...

Page 5: ...difficult to remove inspect stem seat ring key 11 and disk carefully for notches scratches or bending 6 Remove the seat ring key 11 from the pilot body key 12 using a socket wrench Do not remove the seat ring unless replacing the stem assembly keys 8 and 19 and disk key 21 Inspection 1 Examine the seat ring key 11 and disk key 21 sealing surfaces for nicks or other signs of damage by pipeline debr...

Page 6: ...ring first then slide the valve spring key 9 over the bushing key 10 and slide the stem back into place If they were replaced skip to step 3 2 Install the seat ring key 11 and stem nuts key 22 one at a time while holding the pusher plate key 8 with a socket 3 Install the screen key 20 and gasket key 13 Using the blind flange bolts key 23 reinstall blind flange key 14 Note When replacing gaskets be...

Page 7: ...12 Cast Iron Body Diaphragm Nut Steel WAL05 02845 00 24 Steel Body 16 Pressure Plate Steel WAL04 06979 00 1 17 Diaphragm Stainless steel WAL04 01623 00 3 18 Diaphragm Bolt Steel WAL05 04764 00 12 Cast Iron Body Diaphragm Stud Steel WAL05 05490 00 12 Steel Body 19 Stem Stainless steel WAL04 05229 00 1 20 Screen Stainless steel WAL04 04700 00 1 Steam Service Screen Stainless steel WAL04 04701 00 1 W...

Page 8: ...r 28 Adjusting Screw Steel WAL05 04860 00 1 29 Locknut Steel WAL05 02942 00 1 30 Spring Chamber Iron WAL04 01393 00 1 Spring Chamber Bronze WAL04 01395 00 1 Spring Chamber Steel WAL04 01394 00 1 Enclosed Spring Chamber Kit Cast Iron WAL08 01868 00 Adjusting Wheel 31 Handwheel Aluminum WAL04 12985 01 1 32 Adjusting Screw Steel WAL04 04752 02 1 33 Locknut Steel WAL05 02942 00 1 34 Yoke Cast Iron WAL...

Page 9: ...16 15 Stem Stainless steel WAL4 05305 1 B 16 Body and Bushing Cast iron WAL8 09159 0 Body and Bushing Steel WAL8 09160 1 17 Screen Steam Monel WAL4 04700 0 B 18 Pressure Plate Cast iron WAL4 03599 0 B 19 Diaphragm Screw Steel WAL4 04822 0 B 20 Pusher Plate Steel WAL4 03717 0 B 21 Valve Spring Inconel WAL5 04985 0 A B 22 Seat Ring Stainless steel WAL4 04062 0 B 23 Disk Stainless steel WAL4 07283 1 ...

Page 10: ... See item 12 17 Gasket Asbestos WAL5 02378 0 A B Note 1 Gasket Flexitalic WAL5 11718 0 A B Note 2 18 Blind Flange Iron WAL4 02151 0 Blind Flange Bronze WAL4 02153 0 Blind Flange Steel WAL4 11678 0 19 Blind Flange Bolt Steel WAL5 04803 0 Note 1 Blind Flange Bolt Steel WAL5 11719 0 Note 2 20 Cowl Iron WAL4 01505 0 Cowl Steel WAL4 01591 0 21 Diaphragm Screw Steel WAL4 04822 0 B 22 Pusher Plate Steel ...

Page 11: ...eel WAL5 05462 0 Note 2 10 Diaphragm Nut Steel WAL5 02871 0 Note 1 Diaphragm Nut Steel WAL5 02845 0 Note 2 Flanged Inlet 44 Gasket Steel Asbestos WAL5 02370 0 45 Flange Assembly Female Steel WAL7 43516 0 See item 12 46 Flange Assembly Male Steel WAL7 40535 0 13 Stud Steel WAL5 05490 0 10 Nut Steel WAL5 02845 0 Composition Disk 47 Stem Stainless steel WAL4 05381 0 B 48 Seat Ring Stainless steel WAL...

Page 12: ...Figure 4 Type D Pilot Assembly 12 D Series ...

Page 13: ...LOCKING DEVICE WALL BRACKET ENCLOSED SPRING CHAMBER ADJUSTING HANDWHEEL COMPOSITION DISK VACUUM SPRING ASSEMBLY Figure 5 D Series Options Assembly 13 D Series ...

Page 14: ...Figure 6 Type D120 Pilot Assembly 1 4 NPT SERIAL NUMBER PLATE 1 4 NPT WALL BRACKET 14 D Series ...

Page 15: ...Figure 7 Type D2 Pilot Assembly ADJUSTING HANDLE ENCLOSED SPRING CHAMBER WALL BRACKET FLANGED INLET ALTERNATE SECOWELD CONSTRUCTIONS 15 D Series ...

Page 16: ...express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Electric Co does not assume responsibility for the selection use or maintenance of any prod...

Reviews: