Gedik GKF-20 Electrode Drying Oven with Digital Thermostat (20 Packages)

Overview

The Gedik GKF-20 is a mid-size electrode drying oven with digital thermostat from Gedik Welding of Turkey, sized for 20 packages of covered electrodes, or 2000 rods, on four trays. It sits between the compact GKF-10 and the large GKF-50 in the manufacturer’s line-up, and it is the size many fabrication workshops pick when a single oven has to serve a bay of welders without taking up the space of a full store cabinet. Like its larger sibling it handles both high-temperature re-drying and lower-temperature holding, controlled by a digital thermostat mounted on top of the cabinet.

Seven Star LLC supplies the Gedik GKF-20 to fabrication workshops, maintenance contractors and inspection-driven projects in the Sultanate of Oman and the GCC, with engineering support in Muscat. We help customers decide whether the 20-package cabinet is the right size for their welding headcount, and how to combine it with portable holding ovens so electrodes stay dry between the oven and the joint.

Drying and Holding Principle

In general terms, the coating of a covered electrode is hygroscopic, and basic low-hydrogen grades are particularly sensitive. Moisture picked up from the air is carried into the arc, where it releases hydrogen into the weld. On higher-strength steels, thick sections and restrained joints this hydrogen is a recognised cause of delayed cracking, which is why welding procedures and inspectors pay close attention to how electrodes are stored and re-baked. A drying oven drives the absorbed moisture out at an elevated temperature and then holds the electrodes warm so they cannot pick it up again.

Gedik describes the cycle for the GKF-20 in its datasheet as keeping electrodes at 300 °C for two hours, then lowering the thermostat to 130 °C with no further treatment. The oven’s maximum heating temperature is listed as 400 °C, giving headroom for electrode types whose producers specify a higher re-drying temperature. Users should always check the electrode maker’s recommended temperature, time and maximum number of re-drying cycles before setting the Gedik GKF-20.

Engineering Design of the Gedik GKF-20

The oven is an insulated upright cabinet on four castor wheels with a side-hinged door. The internal chamber measures 30 × 50 × 80 cm and holds four trays of 22 × 47 × 7 cm. The datasheet lists the height as 134 to 102 cm and the external dimensions as 46 × 67 cm, and the empty weight as 85 kg, about half that of the GKF-50. That combination of capacity and footprint makes the cabinet practical to place beside a welding bay rather than in a separate store room.

The heater is rated at 4500 W and the Gedik GKF-20 runs on a 380 to 400 V supply drawing 21 A, so a three-phase connection should be planned at the installation point. Heat insulation is fitted, and heat control is digital. The complete unit with its standard equipment is supplied under a single order code, 6051700006.

As a general note on placement, a drying oven works best on a level, dry floor away from wash-down areas and grinding sparks, with enough clearance around the cabinet for ventilation and for opening the door fully. Keeping the oven close to where electrodes are issued reduces the time rods spend exposed to humid air, which matters during the humid coastal months in the Gulf.

Key Features

Workshops choose the Gedik GKF-20 for the following reasons:

• A capacity of 20 packages, around 2000 rods, matches the daily needs of a typical fabrication bay.
• Four trays of 22 × 47 × 7 cm allow separation of electrode grades or diameters.
• Digital heat control reaches a maximum of 400 °C for re-drying.
• The oven supports the two-stage cycle of 300 °C for two hours followed by holding at 130 °C described by Gedik.
• A 4500 W heater gives a fast warm-up even with a full load.
• Insulation is fitted to stabilise internal temperature and limit heat loss.
• At 85 kg on castors, the cabinet can be repositioned within a workshop when layouts change.
• One order code, 6051700006, covers the oven with all standard equipment.

Industrial Applications

Typical users of the Gedik GKF-20 in Oman include pipe spool and structural steel workshops in Sohar and Muscat, shutdown contractors who set up temporary welding shops at refinery and gas plant sites, and maintenance departments at power and desalination plants that weld carbon steel repairs with low-hydrogen electrodes. In each case the oven keeps a working stock of electrodes properly dried for one shift or one crew, while records of each drying cycle support the inspection file.

Where a project needs more than one cabinet, two Gedik GKF-20 ovens can be used side by side, one dedicated to re-drying and the other to holding, which simplifies temperature management. Seven Star LLC supplies the oven together with welding equipment and consumables, and delivers to project sites throughout Oman, including Duqm and Salalah, and across the GCC.

Smaller Option: GKF-10

Gedik also publishes a combined datasheet for the GKF-10 and GKF-20. The GKF-10 holds 10 packages (1000 rods) on two trays, uses a 3000 W heater at 380 to 400 V and 14 A, and weighs 75 kg, under order code 6051700003. Buyers with fewer welders may prefer that smaller cabinet, while the Gedik GKF-20 doubles the tray count for little extra floor space.

Technical Specifications

The values below are taken from the Gedik GKF-20 datasheet attached on this page.

For the welding power sources and consumables used alongside the oven, see the ESAB Rebel EMP 285ic, the Lincoln Electric Power Wave S500 and the Lincoln Electric SuperArc L-59 ER70S-6 Solid MIG Welding Wire; further drying ovens are listed in our Electrode Drying Ovens section.

Call To Action

For a quotation on the Gedik GKF-20, send Seven Star LLC your welder count, electrode grades and site power details. Our Muscat team will confirm whether the GKF-20 or another size fits best, share the attached datasheet and arrange delivery in Oman and the GCC.