Powder Coating Ovens

Gas Powder Coating Ovens      Call for a free estimate 1-866-519-7269

Our powder coating and curing ovens are designed to safely and efficiently cure previously applied powder coating media. Reliant has over 200 standard gas and electric models, with immediate delivery available on select sizes. All our batch ovens feature premium 6″ thick insulated wall and roof panels. Our energy-efficient designs save fuel and get to temperature quickly. Standard and custom sizes range from small walk-in units to large heavy equipment ovens and conveyorized curing systems. Options include custom frontals/doors, conveyor or cart system integration, client specified layouts, and custom controls.

Powder Coating Oven Features

• Powder-specific design, custom sizes & configurations available
• Features premium insulated 6″ double wall design and natural gas or LP gas fuel
• Manufactured in USA using CNC equipment
• Features premium aluminized or G90 galvanized US steel construction
• Modular design enables on-site customization with no additional costs
• Double 20 gauge panels–wall panels are bolted together for optimal fit
• Easy to access floor-mounted heat system and exhaust system standard
• Available in pre-heat, drying, curing, or multi-function designs
• Adaptable for use with cart track, specialized racks, etc.

Oven Construction

The oven walls, ceiling and roof are made of 20 gauge or thicker steel that has been aluminized or G90 galvanized. The oven utilizes a double panel design. The interior walls and roof are formed into 6” panels to receive factory-supplied insulation. Mineral wool insulation of at least 6# density is inserted between these inner panels and the external skins during installation. The main oven enclosure components are bolted together, typically on 6” centers. Threaded inserts in key parts help simplify assembly. When using roof mounted heat units or double load-in frontals, the ovens are equipped with support beams to increase rigidity. No welding is required.

Doors/Frontals

Door thickness is included in the overall dimensions cited for the oven cabin. The oven doors are a composite design made of 11, 16, 18, and 20 gauge components that house mineral wool insulation of not less than 6# density. The doors feature support casters and adjustable hinge assemblies. To assure proper explosion relief and allow for emergency egress, the doors include a positive latching device that secures one door to the frontal header and floor, and allows the second door to latch to it using friction latches. Friction latches, often known as “panic latches” or “slam latches” enable the doors to be opened from the inside and also serve to safely vent excessive positive pressure from the oven enclosure. Doors feature fiberglass or siliconized rubber gasket material to minimize heat loss.

Heat Unit

The heat unit is constructed of primarily 11 gauge, 16 gauge and 18 gauge aluminized or G90 galvanized steel components with mineral wool insulation of at least 6# density used throughout the assembly. The heat system utilizes an ETL-listed Power Flame “Jet Fire” forced-induction burner with an integrated combustion supply fan. The heat unit’s combustion chamber features a stainless steel splash plate. The heat unit adjusts “on the fly” in response to the control panel’s PID fuzzy logic controller. The heat unit enclosure includes a dual-inlet/dual-outlet forward curving fan wheel to cycle the heated air through the oven enclosure. The heat unit features an oversize fan shaft for durability and reduced vibration, as well as special high-temperature bearing assemblies that are easily accessible. Each unit is optimized for premium results at the customer’s location and shipped with a fan performance graph.

Controls

The heat unit and exhaust are controlled via a remote control panel in a NEMA enclosure. The control panel allows the operator to see a digital display of the heat unit’s output air temperature and adjust the unit accordingly. The control panel includes a variety of safety devices, including audible and visual alarms. The control system uses a variable frequency device (VFD) to adjust the atmosphere inside the oven by fine-tuning the performance of the exhaust fan.

Safety

The oven is equipped with a range of redundant safety devices:

• High and low pressure gas safety valves
• Manual gas shut-off
• Ignition sensor with auto shut-down
• Combustion safeguard
• Flame safety switch
• Powered air circulation fan
• Powered air exhaust fan
• Intake air proving switch
• Exhaust air proving switch
• High temperature safety switch
• Oven temperature sensor
• Purge timer for combustion
• Purge timer for oven operation
• Motor overload protection
• Fan/belt/motor guards
• Explosion relief design

Exhaust

A high-performance ventilation fan assembly is mounted on-site to the shop floor using antivibration bushings. The assembly uses a backwards-inclined fan mated to a motor drive via a belt system. The fan intake extends through a special wall skin and special wall panel. The exhaust drive components are housed in a ventilated steel enclosure. This system requires the use of 8” I.D. Double-wall (Type B) exhaust ducting with a high-flow exhaust cap that prevents the intrusion of water.

Outsourced Components

Exhaust duct, duct mounting adapters, combustion supply fan intake duct, gas piping to the gas train, gas valve ventilation piping, parts for electrical service connection to the control panel, and field wiring components are provided by other companies and are not considered part of the deliverable.