Despatch RFF2-19 User Manual
INSPIRED INNOVATION
RFF Class A Furnace
For high temperature applications involving
fl ammable or excessive solvent removal
Despatch RFF Class A furnaces are speci cally designed to meet NFPA
86 requirements for applications that include ammable solvents or large
amounts of moisture removal. is Class A furnace is complete with a
pressure relief panel, purge timer, and exhaust fan.
e RFF features horizontal recirculating air ow to ensure exceptional
temperature uniformity throughout the furnace. ese high-performance
furnaces deliver temperatures up to 538°C (1000°F) and are great for such
processes as annealing, aging, stress relieving and other process critical
applications.
e RFF is available in cabinet and benchtop models. e cabinet furnace
is suited for volume production while the benchtop model, with its small
footprint, is ideal for high temperature process development in a laboratory.
FEATURES AT A GLANCE
Temperatures up to 538°C (1000°F)
Class A package meeting NFPA 86
requirements for fl ammable solvents
2 models - 4.2 & 19 cu. ft.
(117 & 552 liters) capacity
Horizontal recirculating airfl ow
Protocol 3
display, integrated data logging
capabilities and USB port for simple
oven set-up and data export
RS485 Modbus communication
PC interface
Audible and visual high-limit alarm
304 stainless steel interior
Disconnect switch on main
control panel
TM
control with large LCD
5 year heater warranty
End-of-cycle and high-limit indicators
UL/C-UL listed open industrial
control panel
OPTIONS:
Despatch unique adjustable louvers
Chart recorder
Access ports for test wires
CE compliant
RFF 1-42 Bench 2-19
PHYSICAL SPECIFICATIONS
Chamber Size (width x depth x height) 20 x 18 x 20 in
Capacity in cubic feet (liters) 4.2 (119) 19.5 (552)
Overall size (width x depth x height) 50 x 31 x 59 in
Electrical (additional options available) 240V, 60 Hz, single phase
Number of shelves provided 2 2
Maximum number of shelves 8 on 2 in (5.1cm) centers 12 on 3 in (7.6cm) centers
Exhaust outlet 3.25 x 5.5 in
Doors 1 1
Approximate net weight 800 lbs (363 kg) 1,495 lbs (678 kg)
Approximate shipping weight 1,000 lbs (454 kg) 1,695 lbs (769 kg)
Insulation thickness 5 in (15.2cm) 6 in (15.2cm)
FUNCTIONAL SPECIFICATIONS
Time to temp with no load (40°C to 204°C) 15 minutes 20 minutes
Time to temp with no load (40°C to 538°C) 53 minutes 75 minutes
Temperature Uniformity ± 2.3˚C at 204˚C
Minimum operating temp 30°C (86°F) 30°C (86°F)
Maximum temperature 538°C (1000°F) 538°C (1000°F)
Control Stability ±0.5°C/5°C Δ ±0.5°C/5°C Δ
Repeatability ±0.5°C ±0.5°C
Maximum load capacity 200 lbs (91 kg) 850 lbs (386 kg)
Maximum shelf capacity 30 lbs (13.6 kg) 100 lbs (45.4 kg)
Exhaust capacity (minimum/maximum) 23/150 CFM (10.9/70.8 l/s) 54/350 CFM (25.5/165.2 l/s)
Sovent handling capacity at 177°C (350°F) MEK 0.025 GPH (0.095 l/s) 0.06 GPH (0.23 l/s)
Forced exhaust HP
Recirculating fan
51 x 46 x 51 cm
127 x 79 x 150 cm
63 Amps 12kW
(8.3 x 14 cm)
± 3.9˚C at 371˚C
± 5.6˚C at 538˚C
1/3
1/2 HP
550 CFM (260 l/s)
36.5 x 25 x 37 in
93 x 64 x 94 cm
78 x 42 x 93 in
198 x 107 x 233 cm
480V, 60 Hz, three phase
40 Amps 30kW
3.5 x 8.5 in
(8.9 x 21.6 cm)
±2.3°C at 204°C (±4°F at 400°F)
±3.9°C at 371°C (±7°F at 700°F)
±5.6°C at 538°C (±10°F at 1000°F)
1/3
1 HP
1150 CFM (543 l/s)
RFF front view cross section
showing airflow pattern.
Notes: Uniformity figures are based
on a nine-point test conducted in
an empty oven after stabilization
period. Uniformity can vary slightly
depending on unit and operating
conditions. Minimum operating
temperature and cooling times are
based on 20°C ambient temperature
measured at the fresh air inlet
with the fresh air and exhaust
dampers fully open. Specifications
are subject to change without
notice. If the existing specifications
differ from yours, ask about our
customizing capabilities.
Δ represents the chance in ambient
temperature
SERVICE AND TECHNICAL SUPPORT
service parts: 1-800-473-7373
international service/main: 1-952-469-8230
service fax: 1-952-469-8193
service@despatch.com
parts@despatch.com
© 2014 Despatch Industries. All rights reserved. Despatch is a registered trademark of Despatch Industries in the U.S. and other countries. Ransco is a product line of Despatch Industries. RFF 5-14
GLOBAL HEADQUARTERS
main phone: 1-800-726-0110
international/main: 1-952-469-5424
sales: 1-800-726-0550
international/sales: 1-952-469-8240
sales@despatch.com
www.despatch.com
8860 207th Street West
Minneapolis, MN 55044 USA
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