BASIC CONSTRUCTIONS

These Heaters were designed primarily as economical mica band heaters in nozzle and narrow width sizes. In the range of sizes recommended in our price list these heaters will perform as well as any mica band currently available. Although these heaters can be made in sizes other than those listed, Economy’s standard line of mica bands are recommended for larger size heaters as well as higher temperature and high voltage applications.

Type 1

BARREL NUT STRAP LEADS IN
METAL BRAID exit through edge
on both sides of gap.

Type 2

BARREL NUT STRAP LEADS exit through outside surface of heater. Options A,B,D. Options”A” (Armor) is shown

Type 3

BARREL NUT STRAP
LEADS exit through edge,
180 from gap. This constru-
ction is not recommended
for bands under 2” wide.
Options B,C. Option “B”
braid is shown

Type 4

BARREL NUT STRAP
LEADS IN METAL BRAID
exit through edge, both
leads at same side of gap

Type 5

BARREL NUT STRAP
ONE PIECE POST
TERMINAL at each end
of heater.

Type 6

BARREL NUT STRAP
LEADSWITHOUT METAL
BRAID exit through edge
on both sides of gap

Type 7

FLANGE LOCK UP
LEADS exit through edge
on both sides of gap.
Option B,C. This constru-
ction available but not re-
commended. Use of
Type 1 or 2 is suggested

Type 8

BARREL NUT STRAP
LEADS exit through edge,
inside gap, one from each
side of gap. Suggested for
use on small diameter bands
where leads are not subjec-
ted to strain or plastic drool

Type 9

BARREL NUT STRAP -
ONE PIECE POST
TERMINALS at same end
of heater. This
arrangement suggested for
bands 3” or more in width

Type 10

BARREL NUT STRAP-
TWO PIECE POST
TERMINALS at same
end of heater

Type 11

BARREL NUT STRAP-
EXPANDABLE Options
A, B, C, P. Option “P”
(Post Terminal) is shown

Type 12

BARREL NUT STRAP
PARTIAL COVERAGE
band with padded
clamping straps. Options
A, B, C, P. Option “P”
(Post Terminal) is shown

Type 13

FLANGE LOCK - UP
ONE PIECE LEADS exit
through outside surface
of heater. Options A,B,C.
Option “A” (Armor)
is shown.

Type 14

FLANGE LOCK-UP-
HINGED POST TERMI-
NALS at same end of
heater. Terminals are nor-
mally located near hing -
unless otheriwise specified.

Type 15

TAPERED WEDGE LOCK
LEADS exit through edge.
Options B,C. Option “C”
(Flexible Leads) is shown.

Type 16

TAPERED WEDGE LOCK
LEADS exit through edge.
Options B,C. Option “C”
(Flexible Leads) is shown.

Type 17

FLANGE LOCK - UP -
TWO PIECE LEADS exit
through outside surface of
heater. Options A, B, C.

Type 18

FLANGED LOCK - UP-
TWO PIECE POST
TERMINAL at each end
of heater.

 

 

Type 20

FLANGED LOCK - UP-
TWO PIECE * POST
TERMINALS at same end
of heater

Type 22

BARREL NUT STRAP
TWO PIECE POST
TERMINAL at each end
of heater.

A. Flexible armor (BX) installed Over flexible leads. B. Metal braid installed over flexible leads. C. flexible leads - asbestos and fiberglass insulated nickel or nickel clad conductor. Installed with 2" fiberglass boot. D. Low profile band, presize for slip fit by installation of punch lock straps. E. Terminal box. F. Flexible armor in right angle Bracket.

G. Thermocouple hole. H. Button Terminals I. Appliance pins. J. Twist lock plug installed on leads. K. Extra wide gap, specify. L. Grounding stud. M. Dual voltage, specify. N. Stainless steel sheath. O. Low profile strap. Specify this coupon only if desired on sizes where not normally supplied. P. Post terminals

1. QUANTITY 2. INSIDE DIAMETER 3. WIDTH 4. VOLTAGE - on two piece band we suggest each piece be rated at half the operating voltage. Please specify total voltage. 5. WATTAGE - on two piece bands please specify total wattage. 6. BASIC CONSTRUCTION AND OPTIONS DESIRED 7. SERIAL NUMBER - if known or previously ordered. 8. GAP, if other then factory determined minimum. 9. LEAD LENGTH, if other than standard 12 inches.