The GST JP5000 HVOF (High-Velocity Oxygen Fuel) spray gun represents the gold standard in liquid-fuel thermal spray systems, delivering unmatched performance in coating durability, efficiency, and reliability. Engineered for industrial demands, this system utilizes kerosene-based combustion to produce exceptionally dense, wear-resistant, and corrosion-resistant coatings with superior mechanical properties.
The GST JP5000 HVOF (High-Velocity Oxygen Fuel) spray gun represents the gold standard in liquid-fuel thermal spray systems, delivering unmatched performance in coating durability, efficiency, and reliability. Engineered for industrial demands, this system utilizes kerosene-based combustion to produce exceptionally dense, wear-resistant, and corrosion-resistant coatings with superior mechanical properties.
Unrivaled Performance & Durability
Proven Liquid-Fuel Design: Operates on kerosene and oxygen, offering a cost-effective yet high-performance alternative to gas-fueled HVOF systems.
Extended Service Life: Built with heavy-duty components to withstand prolonged operation in harsh industrial environments, minimizing downtime.
Thick Coating Capability: Deposits high-thickness coatings with compressive residual stresses, enhancing bond strength and fatigue resistance.
Advanced Combustion & Coating Process
Combustion & Flame Generation:
Kerosene and oxygen are atomized by a coaxial stabilizer and ignited in the combustion chamber, producing a high-pressure, supersonic flame (Mach 3+).
Powder Injection & Acceleration:
Powder feedstock is radially injected through dual ports directly into the flame, ensuring optimal heating and acceleration.
The combustion gases and particles are forced through a converging-diverging (de Laval) nozzle, reaching hypersonic velocities.
Coating Formation:
Particles impact the substrate in a plastic/semi-molten state, forming ultra-dense, low-porosity coatings with exceptional adhesion (>70 MPa).
Key Advantages Over Competing Systems
✔ Superior Coating Density – Near-theoretical density with <1% porosity for maximum wear resistance.
✔ High Deposition Efficiency – Minimal material waste due to optimized powder injection.
✔ Rugged Construction – Designed for automated integration with robotic arms, CNC manipulators, and linear traverse
systems.
✔ Versatile Applications – Ideal for WC-Co/Cr coatings, corrosion-resistant alloys, and thick protective overlays.
Industrial Applications
- Oil & Gas: Valve components, pump shafts, and drill tools.
- Aerospace: Turbine blades, landing gear, and engine parts.
- Power Generation: Boiler tubes, turbine seals, and wear rings.
- Heavy Machinery: Hydraulic rods, extrusion screws, and mining equipment.
The GST JP5000 remains the benchmark HVOF solution for industries requiring long-lasting, high-performance coatings with minimal maintenance. Its robust design, operational efficiency, and coating excellence make it the preferred choice for critical surface engineering applications worldwide.
GST JP5000 HVOF
| No. | Article | Name | OEM Article No. |
|---|---|---|---|
| 1 | GST-201044 | Rear cover | 310.062 |
| 1a | - | Rear cover dowel pin | 310.004 |
| 2 | GST-201095 | Coaxial fuel tube assembly | 310.082 |
| 3 | GST-201074 | Spark plug assembly | 310.074 |
| 4 | GST-201108 | O-Ring, coaxial fuel tube, rear | 310.025 |
| 5 | GST-201109 | O-Ring, coaxial fuel tube, front | 310.034 |
| 6 | GST-201090 | Combustion pressure tube assembly | 310.086 |
| 7 | GST-201099 | Nut, stabilizer to water jacket | 310.045 |
| 8 | GST-201104 | Oxygen check valve | 310.103 |
| 8a | GST-201106 | Nipple, 1/4" Oxygen check valve to stabilizer | 310.010 |
| 8b | GST-201101 | Adapter, 1/4" NPT | 310.013 |
| 9 | GST-201105 | Fuel check valve | 310.042 |
| 9a | GST-201107 | Nipple, 1/8" Fuel check valve to stabilizer | 310.009 |
| 9b | GST-201102 | Adapter 1/8" NPT | 310.007 |
| 10 | GST-201103 | Screw, ground cable | 310.005 |
| 11 | GST-201070 | Coaxial stabilizer assembly | 310.069 |
| 11a | GST-201071 | Rear gun body | - |
| 12 | GST-201110 | O-Ring, stabilizer, back | 310.030 |
| 13 | GST-201111 | O-Ring, comb. chamber to stab. spacer | 310.101 |
| 14 | GST-201112 | O-Ring, stabilizer, front | 310.033 |
| 15 | GST-201026 | Combustion chamber | 310.060 |
| 16 | GST-201017 | O-Ring, combustion chamber | 310.031 |
| 17 | GST-201066 | Water jacket | 310.058 |
| 18 | - | Fitting, swivel, water in, 3/8" MNPT | 310.018 |
| 19 | - | Fitting, water out | 310.017 |
| 20 | - | Front cover plate | 310.063 |
| 21 | - | Screw, front cover plate | 310.002 |
| 22 | GST-201018 | O-Ring, interconnector | 310.102 |
| 23 | GST-201025 | Interconnector | 310.059 |
| 24 | GST-201007 | Nut, interconnector to water jacket | 310.044 |
| 25 | GST-201060 | 4" Barrel w/O-Rings | 310.078 |
| 25 | GST-201061 | 6" Barrel w/O-Rings | 310.079 |
| 25 | GST-201062 | 8" Barrel w/O-Rings | 310.080 |
| 26 | GST-201042 | O-Ring, barrel, back | 310.032 |
| 27 | GST-201041 | O-Ring, barrel, front | 310.035 |
| 28 | - | 4" Water return tube | 310.052 |
| 28 | - | 6" Water return tube | 310.053 |
| 28 | - | 8" Water return tube | 310.054 |
| 29 | GST-201043 | O-Ring, water return tube to water jacket | 310.026 |
| 30 | GST-201039 | O-Ring, water return tube/barrel holder | 310.100 |
| 31 | - | Screw, water return to barrel holder | 310.003 |
| 32 | - | 4" Barrel holder | 310.047 |
| 32 | - | 6" Barrel holder | 310.048 |
| 32 | - | 8" Barrel holder | 310.049 |
| 33 | - | Water baffle | 310.065 |
| 34 | GST-201063 | 4" Barrel assembly | 310.070 |
| 34 | GST-201064 | 6" Barrel assembly | 310.071 |
| 34 | GST-201065 | 8" Barrel assembly | 310.072 |
| 35a | GST-201011 | Feed tube insert | 310.061-01 |
| 35b | GST-201010 | Fitting, powder port 1/4" | 310.091-01 |
| 35c | GST-201013 | Nut, 1/4" tube | 310.019 |
| 35d | GST-201012 | Ferrule, plastic, 1/4" tube | 310.008 |
| 35e | GST-201022 | Powder feed splitter | 310.016 |
| 36 | - | Nut, barrel holder to interconnector | 310.043 |
| 37 | GST-201040 | O-Ring, barrel holder | 310.029 |
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