18
Parker Hannifn Corporation
Parfex Division
Ravenna, OH
How to Specify & Order
SL-Self-Regulating Low Temperature Maintenance
Electric Trace Bundles: MTR 185°F (85°C)
Maintain Temperatures up to 150°F (65°C) with a *Maximum Internal Exposure up to 185°F (85°C)
Bundle Type
SL
= Self-
Regulating
Low
Temperature
SL
Heating Cable
(Watts/ft)
See Selection
Chart
3= 3watt
5= 5watt
8= 8watt
1= 10 watt
3
Process
Tube Size
O.D.
See Selection
Charts
Imperial
02=1/8”
03=3/16”
04=1/4”
05=5/16”
06=3/8”
07=7/16”
08=1/2”
10=5/8”
12=3/4”
16=1”
Metric
MA=2mm
MB=4mm
MC=6mm
MD=8mm
ME=10mm
MF=12mm
MG=14mm
MH=16mm
Process Tube
Size
Wall Thickness
See Selection
Charts
Imperial
16=.016”
20=.020”
28=.028”
30=.030
31=.031”
32=.032”
35=.035”
40=.040”
47=.047”
49=.049”
50=.050”
62=.062”
65=.065”
83=.083”
Metric
89=.89mm
10=1.0mm
15=1.5mm
20=2.0mm
25=2.5mm
Number of
Process
Tubes
A= 1 Tube
B= 2 Tubes
C= 3 Tubes
etc.
P= 2 Tube
Parallel
Design
Heating
Cable
Voltage
1= 120V
2= 240V
7= 277V
8= 208V
35
Area
Classifcation
1= Class 1,
Div. 1
Areas
2= General
Purpose
& Class I,
Div. 2 Areas
B
Jacket Material
V=FR-PVC
T=FR-TPE
U=FR-PUR
P=PUR
R=TPR
E=FRPE
L=LDPE
F=PVDF
Note: Parfex
standard jacket
material is
FR-PVC
B
V
Jacket Color
N=Black
B=Blue
G=Green
O=Orange
Y=Yellow
P=Purple
R=Red
W=White
Note: Parfex
standard color
jacket is black
Note: For
standard black
FR-PVC jacketed
products the -VN
may be dropped.
08
B
SL 3 B
B - V B
1 2 - 08 35
1
2
-
Process Tube Material
1= Smls Copper Type DHP
Alloy No 122. ASTM
B68-B75
2= Welded Stainless Steel
Type 316/316L ASTM
A269
3= Welded Stainless Steel
Type 304 ASTM A269
B= Smls 316/316L ASTM
A269
C= Smls 304 ASTM A269
D= Smls Monel Type 400
E= Smls Hastelloy C22
H= Smls 316H ASTM A213
I = Smls Incoloy 825
L= Electropolish Smls
316/316L ASTM A269
(10Ra Max)
M= Smls 316/316L
ASTM A213
S= Silco Smls 316/316L
ASTM A269
P= PFA Flouropolymer
F= FEP Fluoropolymer
T= TFE Fluoropolymer
7= Parfex 919 PTFE SS
Braided Hose
9= Customer Specifed
Tube Material
Catalog Number 4200-M-2
Chemical Processing and Refneries