Pilot Operated Temperature Regulators with electric

Pilot Operated Temperature Regulators with electric
Pilot Operated Temperature Regulator w/ Electric Override
1/2" to 4" 25TE
Model 25TE
The 25TE has all of
Sizes
1/2" to 2"
2-1/2", 3", 4"
1/2" to 2" 2", 2-1/2", 3", 4"
the features of the
25T, with the addition Connections
NPT ANSI 125
NPT
ANSI 300
of an electric pilot. An
Construction
Cast
Iron
Cast
Steel
electrical signal can
override the tempera- Options
ANSI 250
ANSI 150
ture pilot to provide
(excludes 2")
a remote shut-off
Non-Standard Capillary tubing length in 5 ft.
increments to a maximum of 50 ft. (see TIS 1.1123)
capability.
Note: For pressures
below 15 psig, the
E pilot is not recommended for use with
valves 2-1/2" and
larger.
Electric Pilot
Specifications
Capacities
The valve is sized according to the temperature
control requirements.
For selection & sizing data, see TIS 1.1114
Sample Specification
The pressure reducing valves shall be of the
pilot-actuated diaphragm operated type with
electric override. The main valve shall be single-seated with hardened stainless steel trim;
the valve body shall be cast iron (cast steel).
The pilots shall be bolted directly to the valve
body and shall be removable without disturbing the control connections The temperature
setting shall be adjustable without the use of
tools, and the set point shall be indicated on a
calibrated dial. The thermostatic system shall
be solid-fill, and shall incorporate over heat
protection. The electric pilot shall have a NEMA
4 & 7 (C & D) enclosure with115v (230v) 60 Hz
coil.
Enclosure: NEMA 4 & 7 (C&D)
115v/60Hz;
Holding:23 VA
Inrush: 45VA;
Normally closed
200 psig Max. operating pressure
Electric Pilot 140 psig Max. operating pressure
Options
(for faster response time)
230 volt coil
Limiting Operating Conditions
Max. Operating NPT: 200 psig (14 barg) @ 392˚F
Pressure (PMO)
ANSI
ANSI
ANSI
ANSI
125
200
185
200
(200˚C)
Max. Operating Temperature*
125:
250:
150:
300:
psig
psig
psig
psig
( 8 barg)
(14 barg)
(12 barg)
(14 barg)
392˚F (200˚C)
*The temperature of the sensing bulb must
not exceed 350˚F (177˚C)
E
Standard Temperature Ranges
0˚C to 32˚C
15˚C to 50˚C
50˚C to 80˚C
95˚C to 125˚C
100˚F to 160˚F
160˚F to 220˚F
260˚F to 320˚F
C
C
30˚F to 90˚F
60˚F to 120˚F
120˚F to 180˚F
200˚F to 260˚F
A1
A
@ 392˚F (200˚C)
@ 392˚F (200˚C)
@ 392˚F (200˚C)
@ 392˚F (200˚C)
E
40˚C to 70˚C
70˚C to 105˚C
125˚C to 160˚C
D
D
Pressure Shell Design Conditions
PMA
Max. allowable
pressure
TMA
Max. allowable
temperature
Cast Iron: 250 psig/0-450˚F 17 barg/0-232˚C
Cast Steel: 300 psig/0-450˚F 20 barg/0-232˚C
B
B
1/2" to 2"
Cast Iron: 450˚F/0-250 psig 232˚C/0-17 barg
Cast Steel: 450˚F/0-300 psig 232˚C/0-20 barg
2"* to 4"
Dimensions
(nominal) in inches and millimeters
Temperature control applications where the valve must also respond
to an electrical program timer, safety or limit switch, or remote manual
switch.
Size A
Ansi 125 Ansi 250
Ansi 150 Ansi 300
A1
A1
B
C
D
E
1/2", 3/4" 5.5
140
–
–
–
–
7.6
194
12.1
306
6.2
157
18.25 464
30.5 lb 13.8 kg
33 lb
15 kg
Installation
1"
6.0
152
–
–
–
–
8.6
219
12.0
305
6.75
171
18.75
476
37.5 lb
17 kg
41 lb
15 kg
7.25
184
–
–
–
–
8.6
219
12.6
319
7.1
179
19.6
498
43 lb
19.5 kg
47 lb
21.3 kg
8.5
216
–
–
9.0
228
10.6
270
13.2
335
8.2
208
21.4
543
67.5 lb
30.6 kg
74 lb
33.6 kg
2-1/2"
–
_
10.9
276
11.5
292
13.6
346
13.9
354
13.9
354
27.9
708
156 lb
70.8 kg
170 lb
77.1 kg
3"
–
–
11.75
298
12.5
318
13.6
346
13.9
351
14.4
367
28.4
721
187 lb
84.8 kg
204 lb
92.5 kg
–
–
13.9
352
14.5
368
15.6
397
15.1
383
16.1
410
31.2
792
283 lb
128 kg
308 lb
140 kg
Typical Applications
The regulator should be installed in a horizontal line with suitable bypass and isolating valves. A steam trap should be installed
upstream to prevent condensate from reaching the valve. The trap
and regulator should both be protected with a strainer. The thermostatic bulb must be carefully located in the medium being heated.
Complete installation instructions are given in IMI 650-D76.
Maintenance Complete installation and maintenance
instructions are given in IMI 650-D76, a copy of which is supplied
with each valve. Available spare parts are shown on TI-1-1120-US
and TI-3-0271-US.
1-1/4", 1-1/2"
2"
4"
Local regulation may restrict the use of this product below the conditions quoted. Limiting conditions refer to standard connections only.
In the interests of development and improvement of the product, we reserve the right to change the specification.
Weight
Cast Iron Cast Steel
TI-1-11161-US
Pilot Operated Temperature Regulator w/ Electric Override
1/2" to 4" 25TE
38
36
35
32
33
3
2
13
7
1
34
39
37
31
29
30
9
8
10
12
11
4
5
60
40
61
14
3
25
2
60
11
13
7
9
16
1
4
5
6
25
17
25
18
15
28
19
27
19
21
15
21
23
22
24
22
20
20
26
1/2" to 2"
2"* to 4" *ANSI 300 ONLY
No. Part Material
1
Valve Body
Cast Iron
ASTM A 126 CL B
2
Cover
Cast Iron
ASTM A 126 CL B
3
Cover Bolts
Steel
ASTM A449
4
Main Valve Head
Stainless Steel
5
Main Valve Seat
Stainless Steel
7
Valve Return Spring
Stainless Steel
8
Valve Stem
Stainless Steel
9
Strainer Screen
Stainless Steel
10
Valve Stem Sleeve
Stainless Steel
11
Spring Guide
Cast Iron 1/2" - 2"
CRS 2"* - 4"
12Nut
Steel
13
Cover Gasket
Graphite
14
Pressure Equalizer Pipe Stainless Steel
15
Upper Diaphragm Case
Cast Iron
ASTM A 126 CL B
Cast Steel
ASTM A216 Gr WCB
16
Stem Bushing
Stainless Steel
(2-1/2" - 4" Cast Steel only)
17
Diaphragm Plate Stem
Stainless Steel
18 Diaphragm Stem Guide
Stainless Steel
19
Nut
Brass 1/2" - 2"
Steel 2"* - 4"
20
Lower Diaphragm Case
Cast Iron
ASTM A126CL B
Cast Steel
ASTM A216 Gr WCB
21
Diaphragm Plate
Brass 1/2" - 2"
C.I. 2"* - 4"
22
Main Diaphragm (2 ply)
Stainless Steel
ASTM A240
23Bushing
CRS
24
Tube & Orifice
Stainless Steel
25
Tubing Assembly
Copper
Brass
No. Part 26
Plug (Cast Iron)
(Cast Steel)
27
Connector Stud
28
Body Gasket
29
Pilot Valve Body
30
Pilot Valve Seat
31
Pilot Valve Head
32
Adjustment Knob
33
Pointer
34
Extension Nut
35
Case Tube
36
Retaining Nut
37
Pilot Mounting Screws
38
Capillary Tube
39
Bulb
40
Electric Pilot Body
60
Pilot Gasket
61
Electric Solonoid Valve
Spirax Sarco, Inc., 1150 Northpoint Blvd, Blythewood, SC 29016
Material
Brass
Steel
Stainless Steel
1/2" - 2" Copper Clad
2"* - 4" Graphite
Cast Iron
ASTM A 126 CL B
Cast Steel
ASTM A216 Gr WCB
Stainless Steel
Stainless Steel
Phenolic
Stainless Steel
Brass
Brass
Brass
Steel
Varies with sytle selected
Varies with style selected
Cast Iron
Cast Bronze
Graphite
TI-1-11161-US
Telephone: (803) 714-2000 FAX (803) 714-2222
© Spirax Sarco, Inc. 2012
Construction Materials
4.12
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