valves

Edward Valves
EV-100
A
Introduction
4th Edition
B
Forged Steel Valves
C
Cast Steel Valves
D
Special Application Valves
E
Nuclear Application Valves
F
Accessories/Actuators
G
Technical
H
Tables & Charts
J
Maintenance

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Table of Contents
Introduction
Page No.
History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Page No.
Figure Number Index . . . . . . . . . . . . . III
Accessories/Acutators
Page No.
Forged Steel Valves
Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . F-2
Forged Steel
Univalve Features . . . . . . . . . . . . . . . . . . . . . . . B-2
Actuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-5
Availability Chart . . . . . . . . . . . . . . . . . IV
Bolted Bonnet Features . . . . . . . . . . . . . . . . . . B-6
Cast Steel Availability Chart . . . . . . . . V
Class 600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-8
Class 800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-11
Technical Section:
Description of Figure
Class 1690 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-15
1.0
Stop and Check Valve
Number System . . . . . . . . . . . . . . . . . . VI
Class 2680 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-18
Application Guide. . . . . . . . . . . . . . . . . . . G-4
Class 4500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-21
1.1
Stop Valve Applications . . . . . . . . . . . . . . G-4
1.2
Check Valve Appications . . . . . . . . . . . . . G-10
1.3
Check & Stop-Check Valve
Cast Steel Valves
Installation Guidelines . . . . . . . . . . . . . . . G-14
Flite-Flow Features . . . . . . . . . . . . . . . . . . . . . . C-2
1.4
Check Valve Performance . . . . . . . . . . . . G-19
Stop-Check Features. . . . . . . . . . . . . . . . . . . . . C-4
Check Features . . . . . . . . . . . . . . . . . . . . . . . . . C-5
2.0
Flow Performance . . . . . . . . . . . . . . . . . . G-23
Tilting Disk Features . . . . . . . . . . . . . . . . . . . . . C-6
2.1
Choose the Best Valve Size for Your . . .
Equiwedge Gate Features. . . . . . . . . . . . . . . . . C-8
Service Conditions . . . . . . . . . . . . . . . . . . G-23
Class 300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-11
2.2
Basic Calculations . . . . . . . . . . . . . . . . . . G-23
Class 400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-17
2.3
Corrections Required with
Class 600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-20
Large Pressure Drops . . . . . . . . . . . . . . . G-26
Class 700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-28
2.4
Check Valve Sizing . . . . . . . . . . . . . . . . . . G-28
Class 900 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-31
2.5
Pipe Reducer Coefficients . . . . . . . . . . . . G-30
Class 1100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-40
Class 1500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-43
3.0
EDWARD VALVES Design
Class 1800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-53
Standards & Features . . . . . . . . . . . . . . . G-59
Class 2500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-56
3.1
Codes and Standards. . . . . . . . . . . . . . . . G-59
Class 2900 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-65
3.2
Pressure Ratings . . . . . . . . . . . . . . . . . . . G-59
Series 4500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-68
3.3
Pressure-Seal Construction . . . . . . . . . . . G-60
3.4
Hardfacing . . . . . . . . . . . . . . . . . . . . . . . . G-61
3.5
Valve-Stem Packing . . . . . . . . . . . . . . . . . G-61
Special Application Valves
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2
4.0
Misc. Technical Data . . . . . . . . . . . . . . . . G-62
Blow Off Valves . . . . . . . . . . . . . . . . . . . . . . . . . D-4
Elbow Down Valves. . . . . . . . . . . . . . . . . . . . . . D-9
Hydraulic Valves . . . . . . . . . . . . . . . . . . . . . . . . D-10
Tables and Charts
Series 1500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-12
Conversion of Measurements. . . . . . . . . . . . . . G-58
Strainers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-18
Material Specifications . . . . . . . . . . . . . . . . . . . H-2
Flanged 1500 Univalves . . . . . . . . . . . . . . . . . . D-19
Pressure/Temperature Ratings . . . . . . . . . . . . . H-3
PressurCombo . . . . . . . . . . . . . . . . . . . . . . . . . D-20
End Preparations . . . . . . . . . . . . . . . . . . . . . . . H-29
Hermavalve (Commercial). . . . . . . . . . . . . . . . . D-24
Maintenance
Nuclear
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . J-2
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2
Hermavalve . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-4
Univalve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-8
Bolted Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . . E-10
Gas-Hydraulic Actuators. . . . . . . . . . . . . . . . . . E-13
Controlled Closure . . . . . . . . . . . . . . . . . . . . . . E-14
Edward Valves • 1900 South Saunders Street, Raleigh, North Carolina 27603 • 1-800-225-6989 • 1-919-832-0525 • Fax 1-919-831-3369
ii

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Figure Number Index*
FIGURE NO.
PAGE NO.
FIGURE NO.
PAGE NO.
FIGURE NO.
PAGE NO.
FIGURE NO.
PAGE NO.
FIGURE NO.
PAGE NO.
FIGURE NO.
PAGE NO.
158
D-10
694
C-26
1314
C-12
4002
C-35, 36
• 7506
C-47
• 36178
B-17
158Y
D-10
694Y
C-26
1314Y
C-12, 17
4002Y
C-35, 36, 41
• 7506Y
C-47
• 36220
B-15
160
D-11
695
C-26
1324
C-12
• 4006
C-35
• 7507
C-47, 48
• 36222
D-19
160Y
D-11
695Y
C-26
1324Y
C-12
• 4006Y
C-35
• 7507Y
C-47, 48
• 36224
B-15 & D-8
238
D-18
• 702Y
C-25, 29
1390
C-16
• 4007
C-35, 36
• 7514Y
C-43, 44, 53
• 36228
B-15 & D-8
238Y
D-18
706Y
C-24
1390Y
C-16
• 4007Y
C-35, 36
• 7516
C-43
• 36260
B-16
303
C-13
707Y
C-24
1392
C-16
4014
C-31, 32
• 7516Y
C-43
• 36264
B-16
303Y
C-13
• 714Y
C-21, 28
1392Y
C-16, 19
4014Y
C-31, 32, 40
• 7517
C-43, 44
• 36268
B-16
304
C-13
716Y
C-20
1441
D-4, 5
• 4016
C-31
• 7517Y
C-43, 44
• 36270
B-17
304Y
C-13
717Y
C-20
1441Y
D-4, 5
• 4016Y
C-31
7548Y
D-9
• 36274
B-17
318
C-11
• 770Y
C-26, 27
1443
D-4, 5
• 4017
C-31, 32
• 7592Y
C-49, 51, 55
• 36278
B-17
318Y
C-11
• 792Y
C-26, 27, 30
1443Y
D-4, 5
• 4017Y
C-31, 32
• 7594
C-49, 50
• 66120
B-18
319
C-11
794Y
C-26
• 1570Y
C-52
4092
C-37, 39
• 7594Y
C-49, 50
• 66124
B-18 & D-8
319Y
C-11
795Y
C-26
• 1611
C-22, 23
4092Y
C-37, 39, 42
• 7595
C-49, 50
• 66128
B-18 & D-8
329
C-11
• 828
B-8
• 1611BY
C-22, 23
• 4094
C-37
• 7595Y
C-49, 50
• 66160
B-19
329Y
C-11
• 829
B-8
• 1611Y
C-22, 23
• 4094Y
C-37
7598Y
D-9
• 66164
B-19
338
D-18
832
B-14
1641
D-6, 7
• 4095
C-37, 38
9158
D-10
• 66168
B-19
338Y
D-18
832Y
B-14
1641Y
D-6, 7
• 4095Y
C-37, 38
9160
D-11
• 66170
B-20
391
C-15
• 838
B-13
1643
D-6, 7
4302Y
C-35, 36, 41
• 11511
C-45
• 66174
B-20
391Y
C-15
• 838Y
B-13
1643Y
D-6, 7
• 4306Y
C-35
• 11511Y
C-45
• 66178
B-20
394
C-15
• 846
B-9
• 1711BY
C-22, 23
• 4307Y
C-35, 36
• 11511BY C-45, 46
• 66220
B-18
394Y
C-15
• 847
B-9
• 1711Y
C-22, 23
4314Y
C-31, 32, 40
• 12011Y
C-45
• 66224
B-18 & D-8
393
C-15
• 848
B-11
• 1911
C-33
• 4316Y
C-31
• 12011BY C-45, 46
• 66228
B-18 & D-8
393Y
C-15
• 848Y
B-11
• 1911BY
C-33, 34
• 4317Y
C-31, 32
• 12511
C-58
• 66260
B-19
• 602
C-25
• 849
B-11
• 1911Y
C-33
• 4370Y
C-37, 38
• 12511Y
C-58
• 66264
B-19
• 602Y
C-25, 29
• 849Y
B-11
• 2002Y
C-47, 48, 54
4392Y
C-37, 39, 42
• 12511BY C-58, 59
• 66268
B-19
604
C-24
• 858
B-10
• 2006Y
C-47
• 4394Y
C-37
• 14311Y
C-33
• 66270
B-20
604Y
C-24
• 868
B-12
• 2007Y
C-47, 48
• 4395Y
C-37, 38
• 14311BY C-33, 34
• 66274
B-20
605
C-24
• 868Y
B-12
• 2014Y
C-43, 44, 53
• 4402Y
C-60, 61, 66
• 14411BY C-58, 59
• 66278
B-20
605Y
C-24
• 869
B-12
• 2016Y
C-43
• 4406Y
C-60
• 14411Y
C-58
96124
B-21
606
C-24
• 869Y
B-12
• 2017Y
C-43, 44
• 4407Y
C-60, 61
• 15004
E-6
96128
B-21
606Y
C-24
• 970Y
C-37, 38
• 2070Y
C-52
• 4414Y
C-56, 57, 65
• 15008
E-6
96164
B-22
607
C-24
1028
D-12
• 2092Y
C-49, 51, 55
• 4416Y
C-56
• 15014
E-6
96168
B-22
• 607Y
C-24
1029
D-12
• 2094Y
C-49, 50
• 4417Y
C-56, 57
• 15018
E-6
96174
B-23
• 614
C-21
1032
D-17
• 2095Y
C-49, 50
4448Y
D-9
• 15104
E-6
96178
B-23
• 614Y
C-21, 28
1032Y
D-17
• 2570Y
C-62, 64
• 4470Y
C-62, 64
• 15108
E-6
96224
B-21
616
C-20
1038
D-16
• 3902Y
C-60, 61, 66
• 4492Y
C-62, 63, 67
• 15114
E-6
96228
B-21
616Y
C-20
1038Y
D-16
• 3906
C-60
• 4494Y
C-62
• 15118
E-6
96264
B-22
617
C-20
1046
D-14
• 3906Y
C-60
• 4495Y
C-62, 63
16004
D-27
96268
B-22
• 617Y
C-20
1047
D-14
• 3907
C-60, 61
4498Y
D-9
16008
D-27
96274
B-23
618
C-20
1048
D-13
• 3907Y
C-60, 61
4502Y
C-69
16014
D-27
96278
B-23
618Y
C-20
1048Y
D-13
• 3914Y
C-56, 57, 65
4514Y
C-68
16018
D-27
A1611
C-22
619
C-20
1049
D-13
• 3916
C-56
4570Y
C-71
• 36120
B-15
A1611Y
C-22
619Y
C-20
1049Y
D-13
• 3916Y
C-56
4592Y
C-70
• 36122
D-19
A1911
C-33
• 670Y
C-26, 27
1058
D-16
• 3917
C-56, 57
5002Y
C-69
• 36124
B-15 & D-8
A1911Y
C-33
690
C-26
1068
D-15
• 3917Y
C-56, 57
5014Y
C-68
• 36128
B-15 & D-8
DSXXXX
D-21, 22, 23
690Y
C-26
1068Y
D-15
• 3992Y
C-62, 63, 67
5070Y
C-71
• 36160
B-16
DEXXXX
D-21, 22, 23
691
C-26
1069
D-15
• 3994
C-62
5092Y
C-70
• 36164
B-16
DCXXXX
D-21, 22, 23
691Y
C-26
1069Y
D-15
• 3994Y
C-62
5158
D-10
• 36168
B-16
• 692
C-26, 27
1302
C14
• 3995
C-62, 63
5160
D-11
• 36170
B-17
• 692Y
C-26, 27, 30
1302Y
C14, 18
• 3995Y
C-62, 63
• 7502Y
C-47, 48, 54
• 36174
B-17
• These valves can be constructed for nuclear service.
Edward Valves • 1900 South Saunders Street, Raleigh, North Carolina 27603 • 1-800-225-6989 • 1-919-832-0525 • Fax 1-919-831-3369
iii

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Edward Availability Chart
EDWARD FORGED STEEL VALVES
DESCRIPTION
PRESSURE RATING*(1)
SIZE(1)
ENDS
PAGE NO.
ANSI 600(110)
1/2(15) thru 2(50)
Flanged
B-8
Globe Stop Valves
ANSI 800(130)
1/4(6) thru 2(50)
Threaded, Socket
B-11
Series 1500
1/2(15) thru 2(50)
Threaded, Socket, Flanged
D-12 & 13
B-15
Univalve
ANSI 1690(290), 2680(460)
1/2(15) thru 4(100)
Threaded, Socket, Buttwelding
B-18
Globe Stop Valves
& 4500(760)
B-21
1/2(15) thru
D-27
Hermavalve
ANSI to 1690(290)
Socket, Buttwelding
Globe Stop Valves
2-1/2(65)
E-6
ANSI 300(50), 400(68)
1-1/2(40) thru
Socket, Flanged, Buttwelding
D-4 thru D-7
Blow Off Stop Valves
& 600(110)
2-1/2(65)
Socket, Buttwelding
D-8
ANSI 1500(250) & 2500(420)
5,000 PSI CWP
D-10
Hydraulic Stop Valves
1/4(6) thru 2(50)
Threaded, Socket, Flanged
10,000 PSI CWP
D-11
ANSI 600(110)
1/2(15) thru 2(50)
Flanged
B-9
Globe Stop-Check
B-12
Valves
ANSI 800(130)
1/4(6) thru 2(50)
Threaded, Socket
Series 1500
1/2(15) thru 2(50)
Threaded, Socket, Flanged
D-14 & 15
B-16
Univalve Globe
ANSI 1690(290), 2680(460)
1/2(15) thru 4(100)
Threaded, Socket, Buttwelding
B-19
Stop-Check Valves
&4500(760)
B-22
ANSI 600(110)
1/2(15) thru 2(50)
Flanged
B-10
Piston Check Valves
ANSI 800(130)
1/4(6) thru 2(50)
Threaded, Socket
B-13
Series 1500
1/4(6) thru 2(50)
Threaded, Socket, Flanged
B-22
B-17
*
See paragraph 3.2, page G-59
Univalve
ANSI 1690(290), 2680(460)
1/2(15) thru 4(100)
Threaded, Socket, Buttwelding
B-20
for definition of various
Piston Check Valves
pressure ratings available.
& 4500(760)
B-23
(1) Metric equivalent values for
Hydraulic Check
5,000 PSI CWP
ratings and sizes are in
1/4(6) thru 2(50)
Threaded, Socket, Flanged
D-11
parentheses.
Valves
10,000 PSI CWP
ANSI 800(130)
B-14
Ball Check Valves
1/4(6) thru 2(50)
Threaded, Socket
Series 1500
D-17
ANSI 800(130)
Strainers
1/4(6) thru 2(50)
Threaded, Socket
D-18
Series 1500
Flanged Univalve
Class 1500
1/2(15) thru 2(50)
Flanged
D-19
Edward Valves • 1900 South Saunders Street, Raleigh, North Carolina 27603 • 1-800-225-6989 • 1-919-832-0525 • Fax 1-919-831-3369
iv

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Edward Availability Chart
EDWARD CAST STEEL GATE, GLOBE, ANGLE AND CHECK VALVES
DESCRIPTION
PRESSURE RATING*(1)
SIZE(1)
ENDS
PAGE NO.
C-11, 13 & 15
Bolted Bonnet Globe and
ANSI 300(50)
2-1/2(65) thru 12(300)
Angle Valves, Stop and
Buttwelding
C-20, 24, 26
Stop-Check (Non-Return) and
ANSI 600(110)
2-1/2(65) thru 69150)
or Flanged
Bolted Cover Piston Check
C-20, 24
Pressure Seal Bonnet
ANSI 600(110)
8(200) thru 14(350)
Globe and Angle Valves
ANSI 900(150)
3(80) thru 24(600)
C-31, 32, 35, 36
Buttwelding
Stop and Stop-Check
or Flanged
C-43, 44, 47, 48,
ANSI 1500(250) & 2500(420)
2-1/2(65) thru 24(600)
(Non-Return)
56, 57, 60, 61
ANSI 600(110)
8(200) thru 14(350)
C-26
Pressure Seal Cover,
Buttwelding
C-37
Piston Check Valves
ANSI 900(150)
8(200) thru 24(600)
or Flanged
ANSI 1500(250) & 2500(420)
2-1/2(65) thru 24(600)
C-49, 50, 62, 63
ANSI 600(110) & 900(150)
2-1/2(65) thru 32(800)
C-22, 23, 33, 34
Equiwedge? Gate Valves
Buttwelding
ANSI 1500(260) & 2500(420)
2-1/2(65) thru 24(600)
or Flanged
C-45, 46, 58, 59
ANSI 300(50)
3(80) thru 16(400)
C-12 & 14
C-17 & 18
Flite-Flow? Globe Valves,
ANSI 400(68)
3(80) thru 4(100)
Buttwelding
Stop and Stop-Check
ANSI 600(110)
3(80) thru 32(800)
C-21, 25
or Flanged
(Non-Return)
ANSI 700(120)
6(150) thru 32(800)
C-28, 29
ANSI 900(150)
6(150) thru 16(400)
C-32, 35, 36
ANSI 1100(190)
3(80) thru 4(100)
C-40, 41
C-43, 44, 47, 48,
ANSI 1500(260) & 2500(420)
3(80) thru 24(600)
56, 57, 60, 61
ANSI 1800(310) & 2900 (490)
3(80) thru 4(100)
C-53, 54, 65, 66
Series 4500
4(100) thru 10(250)
C-68, 69
ANSI 300(50)
3(80) thru 16(400)
C-16
C-19
Flite-Flow?
ANSI 400(68)
3(80) thru 4(100)
Buttwelding
Piston Check Valves
ANSI 600(110)
3(80) thru 32(800)
C-27
or Flanged
ANSI 700(120)
6(150) thru 32(800)
C-30
ANSI 900(150)
6(150) thru 16(400)
C-37, 39
ANSI 1100(190)
3(80) thru 4(100)
C-42
ANSI 1500(260) & 2500(420)
3(80) thru 24(600)
C-49, 51, 62, 63
ANSI 1800(310) & 2900 (490)
3(80) thru 4(100)
C-55, 67
Series 4500
4(100) thru 10(250)
C-70
ANSI 600(110)
6(150) thru 20(500)
C-27
*
See paragraph 3.2, page G-59
Tilting Disk
900(150), 1500(260) &
2-1/2(65) thru 24(600)
Buttwelding
C-38, 52, 64
for definition of various
Check Valves
2500(420)
pressure ratings available.
Class 4500(760)
6(150) & 8(200)
C-71
(1) Metric equivalent values for
Nuclear Valves
Thru ANSI 2500(420)
to Size 32(800)
Buttwelding
E-2 thru 14
ratings and sizes are in
Special Application Valves
Thru ANSI 2500(420)
to Size 18(450)
As Required
D-3 & 9
parentheses.
Edward Valves • 1900 South Saunders Street, Raleigh, North Carolina 27603 • 1-800-225-6989 • 1-919-832-0525 • Fax 1-919-831-3369
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Edward Description of Figure Number System
Special Material Suffixes
Special Feature Suffixes
XX
1 Alpha Digit Indicates Design
CF8C - Cast 18-8 stainless steel (type 347)
A - Special body only - body pattern
M - Motor actuated.
Revision if Applicable.
body and bonnet. Parts in contact
alterations not required. Flanges on
ML - Valve less actuator but with motor
2 Alpha Digits Indicates Style of Pressure
with line fluid either cast or forged
forged valves not normally supplied
actuator mounting equipment.
Combo Valve (See Page D20).
18-8 stainless steel or equivalent.
with flanges. On socket end forged
CF3M -
steel valves the inlet and outlet ends
MM - Cylinder/diaphragm actuated. Either
Cast 18-8 stainless steel (type 316L)
XXXXX
are different.
hydraulic or pneumatic.
body and bonnet. Parts in contact
3-5 Digits
with line fluid either cast or forged
B - Venturi pattern body.
MML - Valve less cylinder/diaphragm
Figure Number
18-8 stainless steel or equivalent.
C -
actuator but with actuator mounting
Locking devices consisting of
CF8M -
equipment.
Cast 18-8 stainless steel (type 316)
padlock and chain.
(XXX)
body and bonnet. Parts in contact
CD -
N - Body drilled and tapped or socketed
Locking devices, indicator type.
3-4 Digits
with line fluid either cast or forged
for drains, with or without nipple, with
Body Material
18-8 stainless steel or equivalent.
DD - Equalizer external.
or without drain valves.
Designation
C5 - Cast chromium molybdenum (5
DDI - Equalizer internal.
P - Non-standard packing of all types.
chromium 1/2 molybdenum) Grade
E - Permanent drain, hole in disk or
PL - Plastic lined.
XXXXXXX
C5 alloy steel body and bonnet. Trim
groove in disk face.
Q -
1 or more Digits
of equal or higher grad alloy steel.
Non-standard bonnet gaskets or
F -
As Required Suffixes
F11 -
Special trim material: used to
gasket plating.
Body and bonnet of forged chromium
designate special disk material,
(See List)
molybdenum (1-1/4 chromium, 1/2
R - Special lapping and honing and gas
special stem material, or inconel
molybdenum) Grade F11 alloy steel.
testing (recommended for valves on
spring in check valves.
F22 -
high pressure gas service).
Body and bonnet of forged chromium
FF - Special yoke bushing material, such
molybdenum (2-1/4 chromium, 1
S - Smooth finish on contact faces of
as Austenitic Nodular Iron.
molybdenum) Grade F22 alloy steel.
end flanges
G -
F91 -
By passes on all types of cast steel
Body and bonnet of forged chromium
T - Critical service requiring special
valves
molybdenum (9 chromium, 1
testing and/or NDE.
molybdenum) Grade F91 alloy steel.
H - Spur gear operation.
W - Stellited seat and disk. Suffix not
F316 - Body and bonnet of forged Type 316
HH - Bevel gear operation.
used for valves that are cataloged as
stainless steel.
having stellited seat and disk as
Unless otherwise specified when
HHL - Valve less bevel gear actuator but
standard.
with actuator mounting equipment.
ordering Edward valves, the standard
F316L - Body and bonnet of forged Type
316L stainless steel.
X - Ring joint facing on body end
material of construction for Forged
J - Any unclassified special.
F347 -
flanges.
products is A105 Carbon Steel, and for
Body and bonnet of forged Type 347
K - Throttle disk or skirted disk.
stainless steel.
Y - All welding ends either socket or
Cast products is A216 Grade WCB
L - Impactor operated. Used now only to
F347H -
butt. Suffix not used for valves where
Carbon Steel.
Body and bonnet of forged Type
indicate impactor handwheel or
figure number designates welding
347H stainless steel.
handle on valves not regularly
ends as standard, such as Fig.
Listed below are the letter suffixes used
LF2 - Forged carbon steel material on
furnished with impactor.
36224 and 66228 for example.
to indicate variations from standard
which Charpy impact tests have
LD - Impactorgear or Impactodrive. Suffix
T1 - ASME Section III Class 1 compliance.
been performed on forging heat to
construction, or special features
not used for valves that are
determine low temperature
T2 - ASME Section III Class 2 compliance.
cataloged as having Impactogear as
(Ex. 618K, 7506 [WC6]Y, and 847 AH.)
properties.
standard.
T3 - ASME Section III Class 3 compliance.
When two or more suffixes follow a
WC1 - Cast carbon molybdenum Grade
T4 - ASME Section III compliance without
WC1 body and bonnet.
figure number a definite suffix sequence
“N” stamp.
is to be used.
WC6 - Cast chromium molybdenum (1-1/4
T5 - Nuclear safety related-10CFR21
chromium, 1/2 molybdenum) Grade
The sequence is:
invoked.
WC6 alloy steel body and bonnet.
1) Special material (if applicable)
WC9 - Cast chromium molybdenum (2-1/4
2) All other applicable feature
chromium, 1 molybdenum) Grade
suffixes in alphabetical order.
WC9 alloy steel body and bonnet.
Except T1-T5 which are listed last.
WCC - Cast carbon steel Grade WCC body
and bonnet.
Edward Valves • 1900 South Saunders Street, Raleigh, North Carolina 27603 • 1-800-225-6989 • 1-919-832-0525 • Fax 1-919-831-3369
vi

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Edward Valves
A
Introduction
Section A
EV-100
4th Edition

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High Performance For Critical Service
Temperatures that can exceed 1000° F. Pressures surpassing
10,000 psi. In critical service conditions, you can’t take chances.
A
You don’t just meet standards, you exceed them. That’s how
Edward forged and cast steel valves have become the specified
choice for power plants, process facilities, and other high-
temperature, high-pressure services.
Conservative Design
Precision Manufacturing
Finally, it’s our people, along
Edward Valves takes a conserv-
Edward Valves also exceeds
with our procedures for quality
ative approach to valve design.
industry standards on the fac-
assurance and lot-traceability,
We meet all applicable codes
tory floor. Our forged valves are
that have earned Edward Valves
and standards, but we go
produced on a fully automated
the ASME N stamp, certifying our
beyond that...with finite element
line, with CNC machining cen-
Raleigh, North Carolina, manu-
stress analysis of critical areas
ters providing precise process
facturing facility for nuclear-ser-
and rigorous proof testing.
control. And we maximize cast
vice valve production.
Edward valves are built to take
steel quality by producing our
punishment!
valve body castings using a
Lower Total Costs
directional solidification process
Those tough standards have
And our extensive testing has
from patterns designed by our
carried over into every valve we
also allowed us to develop
own technicians. This process
manufacture. Whether it is for
extremely high flow efficiencies
assures high strength void free
nuclear service or not, we
in all our valves.
castings for uncompromised
design and build our valves to
quality.
last at least 40 years. That
You’ll find other unique design
means not only are they tough,
advantages on our various
Even with the most advanced
but they are designed with easy
product lines, such as our
equipment, we feel our people
maintenance in mind.
Equiwedge gate valves, with a
make the real difference at
two-piece wedge gate assembly
Edward Valves. Our production
Considering the cost of valve
which adjusts automatically to
personnel have an average 20
failure, Edward Valves quality is
any angular distortion of the
years in the industry, and 15
clearly worth specifying. That’s
body seats. And many other
years with Edward Valves!
been true since 1904, when the
design features, now con-
This exceptional experience
first Edward valve was made.
sidered industry “standards,”
level allows us to achieve an
Today, as industrial companies
started on the drawing boards
extra degree of precision that
become increasingly aware that
at Edward Valves.
can make a very real difference
operating expenses are part of
in the field.
total cost, the choice becomes
both more clear and more criti-
cal than ever.
Edward Valves • 1900 South Saunders Street, Raleigh, North Carolina 27603 • 1-800-225-6989 • 1-919-832-0525 • Fax 1-919-831-3369 A2

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Designed With An Eye On Your Bottom Line
to prototype testing, this system has
Non-Destructive Examination
been used for applications such as:
•All NDE personnel are qualified in
A
friction and wear tests of valve trim
accordance with ASNT-TC-1A guide
materials in hot water and steam
lines.
environments; qualification tests of
•All castings are visually examined per
new or redesigned valves; and proof
MSS SP-55.
testing of new valve gaskets and valve
•The first five body castings from every
stem packings.
pattern are 100% radiographed to verify
casting quality.
Before we make the first production unit,
that valve has already been through a
Hydrostatic Testing
rigorous program to assure long life,
•The seat-leakage criteria?no visible
simple maintenance, and dependable
leakage for forged steel and 2ml/hour/
performance, for the lowest cost over the
inch of nominal valve size for cast
life of the valve. Again, people play
steel?are stricter than the allowed
important roles in design. The Edward
leakage rate of MSS SP-61, which is
product engineering department pools
10ml/hour/inch of nominal valve size.
well over 200 years of valve experience.
•Seat-leakage test is performed at 110%
In-house computer-aided design and
of 100° F rating.
finite-element method capabilities give
our engineering staff powerful tools to
Statistical Process Control
develop reliable valves for critical service
Testing Beyond Code
Requirements are clearly stated and
applications. CAD generated graphic
Requirements
measurements are taken to determine
models undergo FEM analysis to deter-
conformance to those requirements.
mine that stresses are within acceptable
“Quality” equals conformance to require-
limits. Dynamic simulation of valve opera-
At Edward Valves, quality assurance
ments.
tion also helps assure reliability of
starts with meeting code requirements.
Edward valve performance.
Valves are manufactured to ANSI B16.34
Welding
(Standard, Limited and Special Classes),
All personnel and procedures are quali-
Prototyping is just as important, and rig-
including standards for:
fied in accordance with ASME Boiler and
orous proof testing is a mainstay of
Pressure Vessel Code, Section IX.
Edward valve design. Before we approve
•Minimum wall thickness of valve body.
a valve for production, we put it through
•Body, bonnet and body-bonnet bolting
Additional Standard Tests for
hundreds, even thousands, of cycles to
to specified ASTM material standards.
Specific Valves
demonstrate that performance and seal-
•Hydrostatic shell testing at 1.5 times the
Includes heavy-wall examination on large
ing integrity will be maintained in service.
100° F rating of the valve.
body castings.
Transducers relay data from test assem-
blies to computers for further analysis.
From there, Edward Valves goes on to
We have only listed a few of Edward
exceed the code, with higher test stan-
Valves’ standard tests that exceed
Laboratory simulation of critical services
dards and an additional battery of tests
industry requirements. Also, Edward
includes a steam generator and super-
performed on every type of valve we
Valves has the facilities and the
heater, designed for 2700 psi and 1050°
make, using in-house test facilities and
expertise to meet additional quality-
F. This flexible system allows testing of
personnel to assure expert quality con-
assurance standards, as required for
prototype valves under both low pressure
trol. Edward Valves’ quality assurance
the application.
and high pressure conditions. In addition
program includes:
Edward Valves • 1900 South Saunders Street, Raleigh, North Carolina 27603 • 1-800-225-6989 • 1-919-832-0525 • Fax 1-919-831-3369 A3

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A History of Firsts
Feature
Benefit
Body-guided disks on globe and angle
Minimize wear and ensure alignment for
A
valves
tight sealing.
Integral Stellite hardfaced seats in globe
Permit compact design and resist
and angle valves
erosion.
Hermetically sealed globe valves with
Prevent stem leakage in critical nuclear
seal-welded diaphragms
plant applications.
Equalizers for large check and stop-
Ensure full lift at moderate flow rates,
check valves
and prevent damage due to instability.
Compact pressure-seal bonnet
Eliminate massive bolted flanges on
joints
large, high-pressure valves.
Qualified stored-energy actuators
Allow quick-closing valves in safety-
related nuclear plant applications.
Qualified valve-actuator combinations
Used in main steam and feed-water
service throughout the world.
Stainless steel spacer rings on gate
Simplify service. Damaged valve seats
valves, fitted between wedge halves
can be restored to factory fit by in-line
replacement with slightly thicker ring.
Unique two-piece, flexible wedges on
Automatically adjust to any angular
gate valves
distortion of body seats. Shape provides
greater flexibility. Assure dependable
sealing and prevent sticking.
Impactor handwheels and handles
Allow workers to generate several
thousand foot-pounds of torque, thus
ensuring tight shutoff of manually
operated globe and angle valves.
Inclined-bonnet globe valves with
Minimize pressure drop due to flow.
streamlined flow passages
Globe valves available with both vertical
Provide stem designs suited to any
and inclined stems
installation.
Live-loaded pressure energized
Globe valve design for high pressure
PressurSeat? for globe valves
drain and vent service.
Edward Valves • 1900 South Saunders Street, Raleigh, North Carolina 27603 • 1-800-225-6989 • 1-919-832-0525 • Fax 1-919-831-3369 A4

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