Page 1
TYPE E2
MAIN VALVE
TYPE E2 MAIN VALVE
A
PPLICATION DATA
●Pressure Regulating for Steam Distribution
●Regulating for Process Control (Temperature or Pressure)
●Maintain Back Pressure or Differential Pressure
●For use with Self-contained, Pneumatic or Electronic Pilots
●Single Point or Multiple Use Applications
●Slow Start-up or Shutdown
VALVE RATINGS
Valve Ends Pressure Temperature
ASME/ANSI PSIG (bar) °F (°C)
CAST IRON
B16.4 Class 250 NPT 15 (1.03) 250°F (121°C)
B16.1 Class 125 Flanged 15 (1.03) 250°F (121°C)
Canadian Registration # OC 0591.9C
- 30 -
TYPE E2 MAIN VALVE
LOW PRESSURE
LOW DIFFERENTIAL
SIZES 3/4" – 12"
PRESSURES to 15 PSIG at 250°F
●Normally Closed
●Single Seat
●Hycar Diaphragm
●Protected Main Spring
●Gas & Steam Applications
●Accurate Regulation Unaffected by
Service Conditions
●ANSI/FCI 70-2 Class IV Shutoff
●Virtually Frictionless for Long Service Life
●Packless Construction
●Easy In-line Maintenance
●Wide Variety of Pilots for Many
Applications
●Minimum Operating ∆P 3 psi (.2 bar)
●Lifetime Warranty against Wiredrawing of
Seat & Disc *
OPTIONS
●Composition Disc for liquid, air or gas service
●Insulcap Insulating Jacket ●Integral Mount Pilot
●EZ Connections
TYPICAL CONFIGURATIONS
PRESSURE REDUCING …………………TYPE E2D
A
IR ADJUSTED …………………TYPE E2A SERIES
BACK PRESSURE ………………………TYPE E2Q
L
OAD ALLOCATING ……………………TYPE E2FD
A
IR CONTROLLED …………………TYPE E2AP60
E
LECTRONIC SLOW START ………TYPE E2D208D
S
OLENOID CONTROLLED ……………TYPE E2MD
S
OLENOID
ACTUATED …………………TYPE E2M
D
IFFERENTIAL……………………………TYPE E2N
T
EMPERATURE CONTROL ……………TYPE E2T14
T
EMP
. & PRESSURE CONTROL ……TYPE E2T134
SEAT REGULATOR SIZE
FACTOR
3
/4 111/4 11/2 221/2 3 4 5 6 8 10 12
Full 7.6 11.7 18.9 27.4 44 68 96 143 202 255 465 748 1118
70%-75% — 8.8 13.2 19.2 30.8 47.6 67.2 100 141 178 — — —
45% — — — 12.3 — 30.6 — 64.4 — 11.4 — 336 —
RATED FLOW COEFFICIENTS (Cv)
SIZING INFO
PAGE 108
* When installed according to factory specifications.
See page 42
Installation Tip: Add EZ Connections for ease of maintenance
SEE PAGE 42
Page 2
DIMENSIONS inches (mm), WEIGHTS pounds (kg)
A OTHER DIMENSIONS APPROX. WT.
CI,BRZ CI C CI,BRZ CI
SIZE ANSI ANSI B Std. Integral D* ANSI ANSI
NPT 125 Mount Mount NPT 125
3
/
4 4
3
/
4 —82
7
/
8 3
5
/
8 7
3
/
4 18 —
(19) (121) — (203) (73) (92) (197) (8) —
15
3
/
8 5
1
/
2 83
5
/
8 4
3
/
8 8
1
/
8 19 21
(25) (137) (140) (203) (92) (111) (206) (9) (10)
11/
4 6
1
/
2 6
3
/
4 94
1
/
8 48
1
/
4 30 33
(32) (165) (171) (229) (105) (101) (210) (14) (15)
11/2 71/4 67/8 93/4 43/8 41/2 83/4 36 40
(38) (184) (175) (248) (111) (118) (222) (16) (18)
27
1
/2 81/2 101/2 51/4 5105057
(51) (191) (216) (267) (133) (127) (254) (23) (26)
21/2 —93/8 101/2 53/4 53/8 111/2 —70
(64) — (238) (267) (146) (136) (292) — (32)
3 — 10 111/4 65/8 63/8 123/4 —98
(76) — (254) (286) (168) (162) (324) — (45)
4—11
7
/8 131/2 63/4 65/8 135/8 — 135
(102) — (302) (343) (171) (168) (346) — (61)
5—13
5
/8 141/4 71/2 73/8 15 — 185
(127) — (346) (362) (191) (187) (381) — (84)
6—15
1
/8 16 77/8 716
5
/8 — 250
(152) — (384) (406) (200) (178) (422) — (114)
8 — 19 20 91/2 91/4 197/8 — 1210
(203) — (483) (508) (241) (235) (505) — (550)
10 — 235/8 24 107/8 —237/8 — 690
(254) — (600) (610) (276)
—
(606) — (314)
12 — 261/2 28 123/4 —271/8 — 1060
(305) — (673) (711) (324)
—
(689) — (482)
TYPE E2 MAIN VALVE
TYPE E2 MAIN VALVE
SPECIFICATION
The valve shall be self-operated, external pilot type, single
seated, hycar diaphragm actuated, normally closed design. The
valve will function quickly and shut tight on dead end service.
Internal parts including seats, discs and stems shall be of
stainless steel. There shall be no springs in the steam flow path
and no stuffing box. The valve shall be easy to maintain with all
parts accessible without removal from the line.
MATERIALS OF
CONSTRUCTION
Body, Cast Iron …………………………ASTM A126 Cl. B
Body, Cast Bronze ………ASTM B61-80 61UNSC 92200
Stem ……………………………303 St. Stl. ASTM A582
Disc 3/4 - 2" ……………420 St. Stl ASTM A743 CA-40
Disc 2-1/2 - 12" …………304 St. Stl. ASTM A167/A240
Seat………………………420 St. Stl. ASTM A743 CA-40
Gasket ………………………………………Non-asbestos
Diaphragm ……………………………………………Hycar
Spring …………………………………………………Steel
A
*Add 55% to D dimension for stem removal clearance.
D
C
B
FITTINGS ON
PAGE 46
- 31 -
TYPE E2
MAIN VALVE
Loading...