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Spence Type E5 Main Valve

 

 WARNING

Failure to follow these instructions or 

to properly install and maintain this 

equipment could result property damage 

and personal injury or death.
Type E5 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 E5 main valve.

Introduction

Scope of the Manual

This manual provides instructions for the installation, 

troubleshooting, maintenance, valve setting and parts 

ordering for Type E5 main valve regulator.

Product Description

The Spence Type E5 Main Valve is pilot-operated, 

single seated, normally closed design. The valve 

functions quickly and shuts tight on dead end service. 

The diaphragm is a balanced Hycar material designed 

for high lift but low differential pressure. 

An external condensation chamber is included in the 

product. There are no springs in the steam flow path 

and no stuffing box.

Figure 1.

 Type E5 Main Valve

Type E5

www.SpenceValve.com

Instruction Manual

VCIMD-14951
November 2021

Summary of Contents for E5

Page 1: ...e operation Either condition may result in equipment damage or personal injury Only a qualified person shall install or service the Type E5 main valve Introduction Scope of the Manual This manual provides instructions for the installation troubleshooting maintenance valve setting and parts ordering for Type E5 main valve regulator Product Description The Spence Type E5 Main Valve is pilot operated...

Page 2: ...in Valve Pressure and Temperature Rating SEAT FACTOR REGULATOR SIZE NPS DN 3 4 20 1 25 1 1 4 32 1 1 2 40 2 50 2 1 2 65 3 80 4 100 5 125 6 150 8 200 10 250 12 300 Full 7 6 11 7 18 9 27 4 43 67 95 159 258 350 665 1018 1611 Normal 5 7 10 0 13 4 19 8 25 35 59 120 176 228 366 525 952 VALVE SIZE CAST IRON CAST STEEL NPT CL125 CL250 CL150 CL300 NPS DN lbs kg lbs kg lbs kg lbs kg lbs kg 3 4 20 23 10 1 25 ...

Page 3: ...ts given in the Specifications section and or regulator nameplate Additionally physical damage to the regulator may result in personal injury or property damage due to escaping of accumulated gas To avoid such injury and damage install the regulator in a safe location Under enclosed conditions or indoors escaping gas may accumulate and be an explosion hazard In this case the vent should be piped o...

Page 4: ...let of the main valve body Note bleed orifice in this fitting is vital to operation of regulator 3 Screw 8B tee into 1 8 in pipe tap in pilot Select tap facing downstream 4 Screw No 5B elbow into 1 8 pipe tap on underside of main valve diaphragm chamber 5 Connect tubing bends as illustrated in Figure 3 AT LEAST 20 PIPE DIAMETERS D2 TO FIRST TURN SECONDARY PRV OR CONTROL VALVE RECOMMENDED AT LEAST ...

Page 5: ...se 1 4 in pipe for this line which connect the pilot diaphragm chamber to the desired point of pressure control 2 Take the control at a point of minimum turbulence Avoid control immediately at the valve outlet or after a turn 3 When the delivery pipe expands in size select a spot at least 4 pipe diameters beyond the point of enlargement 4 Pitch away from pilot to avoid erratic operation and excess...

Page 6: ...g Failure to Open If the main valve failed to open check the following possible causes to properly correct the problem Adjusting spring on pilot may have been tampered with Initial pressure may be down due to partially closed supply valve clogged strainer or other obstruction No 4A bleed port fitting may have been omitted and an open coupling substituted Control pipe may be plugged Most likely poi...

Page 7: ...ot recommended Check the following after operation Then schedule an inspection as required 1 Inspect for dirt collected at 4A bleed port 2 Inspect all joints for leakage Keep bolts tight to avoid any leaks Main Valve Maintenance See Figure 5 1 Connect a source of air or water pressure which can be adjusted by hand to the No 5B elbow 2 Apply 30 psi 2 07 bar to jack valve open and prevent stem from ...

Page 8: ...00 WAL04 00518 00 WAL04 00518 00 WAL04 00518 00 WAL04 00521 00 WAL04 00521 00 WAL04 00548 00 WAL04 00548 00 WAL04 00520 00 WAL04 00520 00 12 Stem 125 lb Stem 250 lb Steam Internal balance Stainless Steel Stainless Steel Stainless Steel WAL04 05232 01 WAL04 05643 00 WAL04 05242 01 WAL04 05242 01 WAL04 11180 00 WAL04 05246 01 WAL04 05246 01 WAL04 05645 00 WAL04 05383 01 WAL04 05383 01 WAL04 03132 00...

Page 9: ... 00522 01 WAL04 00515 00 WAL04 00522 01 WAL04 00519 01 WAL04 00523 00 WAL04 00519 01 WAL04 00523 00 WAL04 00516 01 WAL04 00517 01 WAL04 00524 02 WAL04 00524 02 12 Stem 125 lb Stem 250 lb Steam Internal balance Stainless Steel Stainless Steel Stainless Steel WAL04 05281 00 WAL04 05384 01 WAL04 08233 00 WAL04 05287 01 WAL04 05386 01 WAL04 05831 00 WAL04 05374 00 WAL04 05385 01 WAL04 10709 00 WAL04 0...

Page 10: ...Figure 4 Type E5 Assembly Drawing NO 5A RESTRICTION ELBOW SERIAL NUMBER PLATE INNER VALVE ASSEMBLY SIZES 3 8 IN 1 1 2 IN PORT INCLUSIVE INTERNAL BALANCED INTEGRAL MOUNTED BLIND FLANGE 10 Type E5 ...

Page 11: ...2 40 7 16 5 32 x 13 16 5 32 2 50 9 16 5 32 x 15 16 5 32 2 1 2 65 1 1 16 3 16 x 15 16 3 16 3 80 1 3 16 3 16 X 1 3 8 3 16 4 100 1 1 16 1 4 X 1 3 4 1 4 5 125 1 5 16 5 16 X 1 3 4 5 16 6 150 1 9 16 5 16 X 2 5 16 8 200 2 1 16 3 8 X 2 3 8 10 250 2 9 16 3 8 X 2 1 2 3 8 12 300 3 1 16 1 2 X 2 3 4 1 2 Table 6 Type E5 Main Valve K Values K TOTAL TRAVEL SETTING STEM SPRING BASE STOP PRESSURE PLATE DOWEL GROOVE...

Page 12: ...are property of their prospective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees 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...

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