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FLEXIBLE SILICONE RUBBER
FIBERGLASS INSULATED HEATERS
SRF Series
U Lightweight Thin, Flexible
U Available in 2.5, 5 and
10 W/in
U -56 to 232°C (-70 to 450°F)
Operating Temperature
U Etched Foil and Wire
Wound Design
U Round or Rectangular Shapes
U Available in
115 or 230** Vac
U Optional Pressure Sensitive
Adhesive (PSA)
OMEGALUX® silicone rubber
fiberglass insulated flexible heaters
can improve heat transfer and speed
warm-ups where controlled heating
is required in confined areas. Two
circuit designs are available: etched
foil or wire wound. Heaters with
etched foil designed elements are
available where the length or width
dimension is less than 305 mm
(12"). All other heaters where both
the length and the width dimensions
Round Silicone Rubber Heaters
2
†
SRF Series shown
smaller than actual size.
warm-up and high temperature
exceed 305 mm (12") use the wirewound element design. Effect of
power density: gentle warming is
best done with 2.5 W/in2. A good all
purpose unit is the 5 W/in2. Rapid
are achieved with the 10 W/in2;
however, temperature must be
controlled as the safe maximum
operating temperature limit of
232°C (450°F) may be exceeded.
To Order Visit omega.com/srfr_srfg for Pricing and Details
Diameter Total Wattage for Watt Density Without PSA With PSA
cm (inch) 2.5 W/in
7.6 (3) 17.5 35 70 SRFR-3/* SRFR-3/*-P
10 (4) 31.4 62.8 125.6 SRFR-4/* SRFR-4/*-P
13 (5) 49.0 98.15 196.3 SRFR-5/* SRFR-5/*-P
15 (6) 70.67 141.3 282.7 SRFR-6/* SRFR-6/*-P
18 (7) 96.2 192.4 384.8 SRFR-7/* SRFR-7/*-P
20 (8) 125.65 251.3 502.6 SRFR-8/* SRFR-8/*-P
23 (9) 157.9 315.8 631.7 SRFR-9/* SRFR-9/*-P
25 (10) 196.25 392.5 785 SRFR-10/* SRFR-10/*-P
28 (11) 237.45 474.9 949.8 SRFR-11/* SRFR-11/*-P
30 (12) 376.8 753.6 1507.2 SRFR-12/* SRFR-12/*-P
Comes complete with operator’s manual
Insert watt density: 2 for 2.5 W/in2, 5 for 5 W/in2 or 10 for 10 W/in2.
*
Most sizes available in 230V. Contact Engineering.
**
† Heaters with pressure sensitive adhesive: max operating temperature is 149°C (300°F).
Ordering Examples: SRFR-3/10, 7.6 cm (3") diameter heater with a watt density of 10 W/in2 and 70 watts of total power.
SRFR-11/10, 28 cm (11") diameter heater with a 10 W/in2, 949 watts.
2
5 W/in
2
10 W/in
2
Model No. Model No.
To Order, Call or Shop Online at omega.com
SM
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CAUTION AND WARNING!
Fire and electrical shock may result if products are
used improperly or installed or used by non-qualified
personnel. See inside back cover for additional warning.
Rectangular Silicone Rubber Heaters
To Order Visit omega.com/srfr_srfg for Pricing and Details
Total Wattage for Watt Density
Width, cm (") Length, cm (") 2.5 W/in2 5 W/in2 10 W/in
2
2.5 (1) 2.5 (1) – – 10 SRFG-101/10 SRFG-101/10-P
2.5 (1) 5 (2) 5 10 – SRFG-102/* SRFG-102/*-P
2.5 (1) 7.6 (3) 7.5 15 30 SRFG-103/* SRFG-103/*-P
2.5 (1) 10 (4) 10 20 40 SRFG-104/* SRFG-104/*-P
2.5 (1) 13 (5) 12.5 25 50 SRFG-105/* SRFG-105/*-P
2.5 (1) 15 (6) 15 30 60 SRFG-106/* SRFG-106/*-P
2.5 (1) 18 (7) 17.5 35 70 SRFG-107/* SRFG-107/*-P
2.5 (1) 20 (8) 20 40 80 SRFG-108/* SRFG-108/*-P
2.5 (1) 23 (9) 22.5 45 90 SRFG-109/* SRFG-109/*-P
2.5 (1) 25 (10) 25 50 100 SRFG-110/* SRFG-110/*-P
2.5 (1) 28 (11) 27.5 55 110 SRFG-111/* SRFG-111/*-P
2.5 (1) 30 (12) 30 60 120 SRFG-112/* SRFG-112/*-P
2.5 (1) 46 (18) 45 90 180 SRFG-118/* SRFG-118/*-P
2.5 (1) 61 (24) 60 120 240 SRFG-124/* SRFG-124/*-P
2.5 (1) 76 (30) 75 150 300 SRFG-130/* SRFG-130/*-P
2.5 (1) 91 (36) 90 180 360 SRFG-136/* SRFG-136/*-P
2.5 (1) 107 (42) 105 210 420 SRFG-142/* SRFG-142/*-P
2.5 (1) 122 (48) 120 240 480 SRFG-148/* SRFG-148/*-P
5 (2) 5 (2) 10 20 40 SRFG-202/* SRFG-202/*-P
5 (2) 7.6 (3) 15 30 60 SRFG-203/* SRFG-203/*-P
5 (2) 10 (4) 20 40 80 SRFG-204/* SRFG-204/*-P
5 (2) 13 (5) 25 50 100 SRFG-205/* SRFG-205/*-P
5 (2) 15 (6) 30 60 120 SRFG-206/* SRFG-206/*-P
5 (2) 18 (7) 35 70 140 SRFG-207/* SRFG-207/*-P
5 (2) 20 (8) 40 80 160 SRFG-208/* SRFG-208/*-P
5 (2) 23 (9) 45 90 180 SRFG-209/* SRFG-209/*-P
5 (2) 25 (10) 50 100 200 SRFG-210/* SRFG-210/*-P
5 (2) 28 (11) 55 110 220 SRFG-211/* SRFG-211/*-P
5 (2) 30 (12) 60 120 240 SRFG-212/* SRFG-212/*-P
5 (2) 46 (18) 90 180 360 SRFG-218/* SRFG-218/*-P
5 (2) 61 (24) 120 240 480 SRFG-224/* SRFG-224/*-P
5 (2) 76 (30) 150 300 600 SRFG-230/* SRFG-230/*-P
5 (2) 91 (36) 180 360 720 SRFG-236/* SRFG-236/*-P
5 (2) 107 (42) 210 420 840 SRFG-242/* SRFG-242/*-P
5 (2) 122 (48) 240 480 960 SRFG-248/* SRFG-248/*-P
7.6 (3) 7.6 (3) 22.5 45 90 SRFG-303/* SRFG-303/*-P
7.6 (3) 10 (4) 30 60 120 SRFG-304/* SRFG-304/*-P
7.6 (3) 13 (5) 37.5 75 150 SRFG-305/* SRFG-305/*-P
7.6 (3) 15 (6) 45 90 180 SRFG-306/* SRFG-306/*-P
7.6 (3) 18 (7) 52.5 105 210 SRFG-307/* SRFG-307/*-P
7.6 (3) 20 (8) 60 120 240 SRFG-308/* SRFG-308/*-P
7.6 (3) 23 (9) 67.5 135 270 SRFG-309/* SRFG-309/*-P
7.6 (3) 25 (10) 75 150 300 SRFG-310/* SRFG-310/*-P
7.6 (3) 28 (11) 82.5 165 330 SRFG-311/* SRFG-311/*-P
7.6 (3) 30 (12) 90 180 360 SRFG-312/* SRFG-312/*-P
Comes complete with operator’s manual
Insert watt density: 2 for 2.5 W/in2, 5 for 5 W/in2 or 10 for 10W/in2.
*
Most sizes available in 230V. Consult heater sales and engineering.
**
Ordering Examples: SRFG-208/5-P, 5 x 20 cm (2 x 8") heater with a watt density of 5 W/in2, total rated wattage output of 80 watts,
with optional pressure sensitive adhesive.
SRFG-208/10, 10 W/in2, 160 watts.
Note: Heaters are available in only the watt densities where total wattage is shown. Heaters with pressure sensitive adhesive: max operating
temperature is 149°C (300°F).
Without PSA With PSA
Model No. Model No.
10
To Order, Call or Shop Online at omega.com
SM
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Rectangular Silicone Rubber Heaters
To Order Visit omega.com/srfr_srfg for Pricing and Details
Total Wattage for Watt Density
Width, cm (") Length, cm (") 2.5 W/in2 5 W/in2 10 W/in
2
7.6 (3) 46 (18) 135 270 540 SRFG-318/* SRFG-318/*-P
7.6 (3) 61 (24) 180 360 720 SRFG-324/* SRFG-324/*-P
7.6 (3)) 76 (30) 225 450 900 SRFG-330/* SRFG-330/*-P
7.6 (3) 91 (36) 270 540 1080 SRFG-336/* SRFG-336/*-P
7.6 (3) 107 (42) 315 630 1260 SRFG-342/* SRFG-342/*-P
7.6 (3) 122 (48) 360 720 1440 SRFG-348/* SRFG-348/*-P
10 (4) 10 (4) 40 80 160 SRFG-404/* SRFG-404/*-P
10 (4) 13 (5) 50 100 200 SRFG-405/* SRFG-405/*-P
10 (4) 15 (6) 60 120 240 SRFG-406/* SRFG-406/*-P
10 (4) 18 (7) 70 140 280 SRFG-407/* SRFG-407/*-P
10 (4) 20 (8) 80 160 320 SRFG-408/* SRFG-408/*-P
10 (4) 23 (9) 90 180 360 SRFG-409/* SRFG-409/*-P
10 (4) 25 (10) 100 200 400 SRFG-410/* SRFG-410/*-P
10 (4) 28 (11) 110 220 440 SRFG-411/* SRFG-411/*-P
10 (4) 30 (12) 120 240 480 SRFG-412/* SRFG-412/*-P
10 (4) 46 (18) 180 360 720 SRFG-418/* SRFG-418/*-P
10 (4) 61 (24) 240 480 960 SRFG-424/* SRFG-424/*-P
10 (4) 76 (30) 300 600 1200 SRFG-430/* SRFG-430/*-P
10 (4) 91 (36) 360 720 1440 SRFG-436/* SRFG-436/*-P
10 (4) 107 (42) 420 840 1680 SRFG-442/* SRFG-442/*-P
10 (4) 122 (48) 480 960 — SRFG-448/* SRFG-448/*-P
13 (5) 13 (5) 62.5 125 250 SRFG-505/* SRFG-505/*-P
13 (5) 15 (6) 75 150 300 SRFG-506/* SRFG-506/*-P
13 (5) 18 (7) 87.5 175 350 SRFG-507/* SRFG-507/*-P
13 (5) 20 (8) 100 200 400 SRFG-508/* SRFG-508/*-P
13 (5) 23 (9) 112.5 225 450 SRFG-509/* SRFG-509/*-P
13 (5) 25 (10) 125 250 500 SRFG-510/* SRFG-510/*-P
13 (5) 28 (11) 137.5 275 550 SRFG-511/* SRFG-511/*-P
13 (5) 30 (12) 150 300 600 SRFG-512/* SRFG-512/*-P
15 (6) 15 (6) 90 180 360 SRFG-606/* SRFG-606/*-P
15 (6) 18 (7) 105 210 420 SRFG-607/* SRFG-607/*-P
15 (6) 20 (8) 120 240 480 SRFG-608/* SRFG-608/*-P
15 (6) 23 (9) 135 270 540 SRFG-609/* SRFG-609/*-P
15 (6) 25 (10) 150 300 600 SRFG-610/* SRFG-610/*-P
15 (6) 28 (11) 165 330 660 SRFG-611/* SRFG-611/*-P
15 (6) 30 (12) 180 360 720 SRFG-612/* SRFG-612/*-P
15 (6) 46 (18) 270 540 1080 SRFG-618/* SRFG-618/*-P
15 (6) 61 (24) 360 720 1440 SRFG-624/* SRFG-624/*-P
15 (6) 76 (30) 450 900 — SRFG-630/* SRFG-630/*-P
15 (6) 91 (36) 540 1080 — SRFG-636/* SRFG-636/*-P
15 (6) 107 (42) 630 1260 — SRFG-642/* SRFG-642/*-P
15 (6) 122 (48) 720 1440 — SRFG-648/* SRFG-648/*-P
18 (7) 18 (7) 122.5 245 490 SRFG-707/* SRFG-707/*-P
18 (7) 20 (8) 140 280 560 SRFG-708/* SRFG-708/*-P
18 (7) 23 (9) 157.5 315 630 SRFG-709/* SRFG-709/*-P
Comes complete with operator’s manual. * Insert watt density: 2 for 2.5 W/in2, 5 for 5 W/in2 or 10 for 10W/in2.
Most sizes available in 230V. Consult heater sales and engineering.
**
Ordering Examples: SRFG-404/5-P, 10 x 10 cm (4 x 4") heater with a watt density of 5 W/in2, total rated wattage output of 80 watts,
with optional pressure sensitive adhesive.
SRFG-318/5, 5 W/in2, 270 watts.
Note: Heaters are available in only the watt densities where total wattage is shown.
Heaters with pressure sensitive adhesive: max operating temperature is 149°C (300°F).
Without PSA With PSA
Model No. Model No.
To Order, Call or Shop Online at omega.com
SM
11
Page 4
Rectangular Silicone Rubber Heaters
To Order Visit omega.com/srfr_srfg for Pricing and Details
Total Wattage for Watt Density
Width, cm (") Length, cm (") 2.5 W/in2 5 W/in2 10 W/in
2
18 (7) 25 (10) 175 350 700 SRFG-710/* SRFG-710/*-P
18 (7) 28 (11) 192.5 385 770 SRFG-711/* SRFG-711/*-P
18 (7) 30 (12) 210 420 840 SRFG-712/* SRFG-712/*-P
20 (8) 20 (8) 160 320 640 SRFG-808/* SRFG-808/*-P
20 (8) 23 (9) 180 360 720 SRFG-809/* SRFG-809/*-P
20 (8) 25 (10) 200 400 800 SRFG-810/* SRFG-810/*-P
20 (8) 28 (11) 220 440 880 SRFG-811/* SRFG-811/*-P
20 (8) 30 (12) 240 480 960 SRFG-812/* SRFG-812/*-P
20 (8) 46 (18) 360 720 1440 SRFG-818/* SRFG-818/*-P
20 (8) 61 (24) 480 960 — SRFG-824/* SRFG-824/*-P
20 (8) 76 (30) 600 1200 — SRFG-830/* SRFG-830/*-P
20 (8) 91 (36) 720 1440 — SRFG-836/* SRFG-836/*-P
20 (8) 107 (42) 840 1680 — SRFG-842/* SRFG-842/*-P
20 (8) 122 (48) 960 1920 — SRFG-848/* SRFG-848/*-P
23 (9) 23 (9) 202.5 405 810 SRFG-909/* SRFG-909/*-P
23 (9) 25 (10) 225 450 900 SRFG-910/* SRFG-910/*-P
23 (9) 28 (11) 247.5 965 990 SRFG-911/* SRFG-911/*-P
23 (9) 30 (12) 270 540 1080 SRFG-912/* SRFG-912/*-P
25 (10) 25 (10) 250 500 1000 SRFG-1010/* SRFG-1010/*-P
25 (10) 28 (11) 275 550 1100 SRFG-1011/* SRFG-1011/*-P
25 (10) 30 (12) 300 600 1200 SRFG-1012/* SRFG-1012/*-P
25 (10) 46 (18) 450 900 — SRFG-1018/* SRFG-1018/*-P
25 (10) 61 (24) 600 1200 — SRFG-1024/* SRFG-1024/*-P
25 (10) 76 (30) 750 1500 — SRFG-1030/* SRFG-1030/*-P
25 (10) 91 (36) 900 1800 — SRFG-1036/* SRFG-1036/*-P
25 (10) 122 (48) 1200 — — SRFG-1048/* SRFG-1048/*-P
28 (11) 28 (11) 302.5 605 1210 SRFG-1111/* SRFG-1111/*-P
28 (11) 30 (12) 330 660 1320 SRFG-1112/* SRFG-1112/*-P
30 (12) 30 (12) 360 720 — SRFG-1212/* SRFG-1212/*-P
30 (12) 46 (18) 540 1080 — SRFG-1218/* SRFG-1218/*-P
30 (12) 61 (24) 720 1440 — SRFG-1224/* SRFG-1224/*-P
30 (12) 76 (30) 900 — — SRFG-1230/* SRFG-1230/*-P
30 (12) 91 (36) 1080 — — SRFG-1236/* SRFG-1236/*-P
30 (12) 107 (42) 1260 — — SRFG-1242/* SRFG-1242/*-P
30 (12) 122 (48) 1440 — — SRFG-1248/* SRFG-1248/*-P
Comes complete with operator’s manual.
* Insert watt density: 2 for 2.5 W/in2, 5 for 5 W/in2 or 10 for 10W/in2.
** Most sizes available in 230V. Consult heater sales and engineering.
Ordering Example: SRFG-712/5-P,18 x 30 cm (7 x 12") heater with a watt density of 5 W/in2,
optional pressure sensitive adhesive.
Note: Heaters are available in only the watt densities where total wattage is shown. Heaters with pressure sensitive adhesive: max operating
temperature is 149°C (300°F).
Without PSA With PSA
Model No. Model No.
total rated wattage output of 420 watts, with
APPLICATIONS
U Freeze Protection
U Low Temperature Ovens
U Heat Tracing Systems
U Viscosity Control
U Dehumidification of Motors
and Control Devices
12
To Order, Call or Shop Online at omega.com
SPECIFICATIONS
Wattage: 5 to 1440 Watts
Power: 115 or 230** Vac
Watt Density: 2.5, 5 and 10 W/in
Lead Wire:
305 mm (12") PFA insulated
Thickness: 0.030 to 0.070",
except at lead wire exit
Dielectric Strength: 1250 Vac
Maximum Temperature: heaters
without pressure sensitive adhesive,
2
232°C (450°F); heaters with
pressure sensitive adhesive, 149°C
(300°F)
Minimum Temperature:
-56°C (-70°F)
SM
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