MEPCO
STEAM SPECIAL TIES
RADIATOR TRAPS
FLOAT & THEMOSTATIC TRAPS
RADIATOR VALVES
MEDIUM & HIGH PRESSURE TRAPS
STRAINERS
V ACUUM BREAKERS
RADIAT OR TRAPS
Over 90 years ago, C.A. Dunham developed the first
commercially successful fluid-filled thermostatic
radiator trap. Since that time, MEPCO has manufactured well over 8 million traps. Today, in hundreds of
thousands of installations from coast to coast,
MEPCO quality traps are delivering dependable,
long-lasting, low maintenance service so essential to
efficient heating systems. MEPCO traps efficiently
drain condensate, vent air from steam equipment,
and prevent the flow of steam to return piping with a
simple ruggedly constructed unit that requires
minimum maintenance.
Low Pressure Thermostatic Traps
Low Pressure Thermostatic Traps are applicable for pressures from 25” Hg vacuum to 25 PSI, and capacities
to 700 EDR. With a cast brass body and cover, non-corrosive working parts, and thermostatic discs that
have been tested to over 10 million cycles, these traps set industry standards for dependability. Our seats
are guaranteed for 25 years, with large seat openings to prevent clogging. Stop shoulder construction of disc
permits individual calibration for correct operation and field interchangeability without field adjustment.
Volatile fluid in disc is sealed under a high vacuum to provide uniform expansion over the entire operating
range. Available in five patterns (AP, SW, LH, RH, VS): sizes ½”, 3/4”, and 1” with either integral or replaceable seats. Refer to file number 1505.
RADIATOR VALVES
1240
The 1240 Packless Valve is applicable to both hot water and steam
heating systems from 25” Hg
vacuum to 125 PSI. It can also be
applied to water systems up to 125
PSI. Our highest quality valve, the
1240, has a uniqe design utilizing
primary and secondary levers of high
tensile noncorrosive alloys to insure
trouble free operation. The 1240
Packless Valve opens and closes in
less than one turn and is equipped
with an indicating dial. Available in
two patterns (AP and ST): sizes ½”
and 3/4”. Refer to file number 1527.
740A
The 740A Radiator Valve is applicable to water systems as well as
steam at operating pressures from
25” Hg to 150 PSI. This radiator
valve has a one piece formed solid
packing held in place by a heavy coil
spring to assure a tight seal around
the valve stem. Referred to in the
industry as packless, the 740A opens
and closes in less than one turn and
is equipped with “On” and “Off” dial
arrows and easy to use dial divisions
for adjustment. Available in four
patterns (AP, RH, LH, ST): sizes ½”
through 1½”. Refer to file number
1522.
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600A
The 600A Radiator Valve is applicable for steam or water systems up
to 125 PSI operating pressures.
Proven in over 40 years of service,
the 600A is your best buy for quality
at an inexpensive price. A heavy
packing nut and a one piece formed
solid packing keeps a tight seal
around the valve stem. The 600A
opens and closes without binding
allowing for exceptionally free
drainage of water. Available in two
patterns (AP and ST): sizes ½”
through 2”. Refer to file number
1526.
INDUSTRIAL STEAM TRAPS
High Pressure
Thermostatic Traps
High Pressure Traps are similar in
construction to the low pressure
radiator trap. With stainless steel
valve and stainless steel renewable
seat, trap is especially designed for
high pressure service. Stop shoulder
disc construction allows ease of field
replacement if required. Operating
pressures range from 5 to 125 PSI.
Available in two patterns (AP and
SW): sizes ½”, 3/4”, and 1”. Refer to
file number 1506.
Bucket Traps are applicable for
pressures up to 250 pounds. With
inlet and outlet connections at the
same level, installation is simplified.
These traps feature valves and seats
constructed of hardened stainless
steel, positive opening action, and
easy to inspect working parts. Available in sizes ½” through 2½”. Trap
construction for 250 PSI. Refer to file
number 1508.
Bucket Traps
FLOAT AND THERMOSTATIC TRAPS
Thermodynamic
Disc Trap
The compact, self-draining Thermodynamic Disc Trap is designed for
high pressure applications such as
tracer lines, steam line drips, steam
jacketed fittings and pumps, small
press platens, laundry and dry
cleaning presses and similar condensate load service. All stainless steel
constructed traps are available in four
sizes (3/8”, ½”, 3/4”. and 1”) with 3/4”
and 1” sizes for light process loads.
Refer to file number 1519.
Combining the advantages of the Float Trap and the Thermostatic
Trap, these traps come in a wide range of pressures for numerous
applications. Heavy duty construction and quality engineered valves
and seats assure performance and trouble free operation. Refer to file
numbers 1501 and 1516.
The MEPCO Double inlet/Double Outlet F&T Trap is
applicable to all types of steam heating systems and
steam process equipment where straight through
piping is required. These traps can be piped in and
out from either side depending on your particular
needs. These traps operate efficiently with pressures
up to 15 PSI for low pressure applications and end up
to 125 PSI for higher pressure applications. Available
in five sizes (¾”, 1”, 1¼”, 1½”, and 2”) for handling
capacities of 275 to 24,000 pounds of condensate per
hour. Refer to file numbers 1514 (series 44), 1515
(series 54, with stainless steel internals), and 1536
(series 48, with stainless steel internals.)
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SPECIALTIES
Vacuum Breaker
The MEPCO Vacuum Breaker is a simple
device which provides a positive means of
relieving or “breaking a vacuum at a predetermined setting.” They are designed to
prevent damage caused by a vacuum such
as: freezing coils, collapse of steam jackets
and damage caused by water hammer. The
maximum operating pressure is 65 pounds.
Set by the factory at 2” Hg of vacuum, the
vacuum breakers may be field adjusted from
1” - 28” Hg of vacuum. Refer to file number
1529.
Strainers
Strainers protect traps, valves, heating
elements, and piping from dirt and scale.
The MEPCO Strainers feature a sieve
formed from perforated stainless steel
(optional brass or monel) which has been
designed for ease of removal for cleaning.
Operating in pressures up to 250 PSI (SS-A
strainer) and 125 PSI (flanged “Y” strainer.)
These strainers are available in sizes ½”
through 2” with threaded connections and
2½” through 8” in the flanged model. Refer
to file number 1534 (Type SS-A) and 1535
(Flanged Type “Y” strainer.)
SPECIAL CUSTOMER NEEDS
In an effort to meet our customers’ most special needs, the manufacturer is well equipped
with trained, experienced personnel to help with even the most special of design and
application needs. Built-in design flexibility and personalized manufacturing attention to
each product makes our complete line of steam heating equipment the perfect choice for
your new or retrofit situation.... whatever the circumstance. Contact MEPCO for more
details and application assistance... today.
811 East Main • Marshalltown, Iowa 50158 • 641-752-4291 • FAX: 641-753-0496 • http://www.mepcollc.com
Form 1581F Printed in U.S.A.
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