• JGE
    JGK
    JGT

    Designed for continuous duty in the gas and oil industry, these medium-speed reciprocating separable compressors feature a wide range of cylinders, making them the industry choice for standard and specialized applications.

    Size Comparison
     

  • Performance

    JGE: up to 3,210 BHP2,394 kW / 1,500 RPM
    JGK: up to 3,810 BHP2,841 kW / 1,200 RPM
    JGT: up to 3,900 BHP2,908 kW / 1,500 RPM

    Performance

    JGE:
    up to 3,210 BHP2,394 kW / 1,500 RPM
    JGK:
    up to 3,810 BHP2,841 kW / 1,200 RPM
    JGT:
    up to 3,900 BHP2,908 kW / 1,500 RPM


  • Product Features

  • Slider_Aux_End_HEKT_300_260

    Full-Pressure Lubrication

    A frame-driven lube oil pump provides cooled oil through a full-flow oil filter to all moving parts in the frame. A divider-block system supplies metered oil to cylinder bores and rod packings.

    Slider_Bolting_Grade8_300_260

    High-Strength Bolting

    Durable Grade 8 bolting on all loaded joints combined with specially designed fatigue-fighting bolts on all valve caps ensure ultimate strength.

    Slider_Conrod_GAJRHEKTCD_300_260

    Rigid Connecting Rods

    The JGE/K/T compressors feature durable connecting rods manufactured from forged steel with a 4-bolt heavy-duty "I" section.

       
      Slider_Crosshead_GAJRHEKTCD_300_260

      Rugged Crossheads

      One-piece, long-life crossheads with hardened, ground steel crosshead pins and direct, full-pressure lubrication at the top and bottom for minimum wear.

       

      Slider_cylinder_300_260

      Innovative Cylinders

      Ariel's horizontal and double-acting cylinders eliminate the cost of a cylinder cooling system and remove the maintenance problems associated with water cooling.

       
      Slider_piston_rod_300_260

      Durable Pistons and Rods

      JGE/K/T compressors feature wear-resistant ductile or gray iron pistons and precision-ground alloy steel piston rods with locking crosshead nuts. Rolled threads are 1/4" under rod diameter for easy installation.

      Slider_Bearings_GAJRHEKTCD_300_260

      Precision Bearing Shells

      Every Ariel compressor features precision-machined compact tri-metal main and connecting rod bearings..

       
      Slider_VVCP_300_260

      Versatile Unloading Devices

      Ariel offers manual, head-end variable volume clearance pockets on most cylinders. Pneumatic suction valve un-loaders are available on a limited basis.
       
      Slider_Valve_MNPQGAJRHEKT_300_260

      Efficient Valving

      Plate-type valves are designed for modern speeds, utilizing non-metallic sealing elements as standard. Valves are selected to comply with established low-valve velocity standards.

       

      Slider_crankshaft_300_260

      Heavy-Duty Crankshafts

      JGE/K/T compressors feature forged steel, precision-machined crankshafts with integral counter-weights manufactured by Ariel Corporation.

       
      Slider_spin_on_filter_300_260

      High-Efficiency Spin-On Oil Filters

      Ariel JGE/K/T compressors feature high-efficiency spin-on oil filters rated at 5 micron nominal and 17 micron absolute.

       

      Slider_Frame_ALL_Frames_300_260

      Rugged Crankcase

      Ariel crankcases are designed for long service life and ease of access during maintenance. Our crankcases feature a heavily-ribbed, high-strength cast iron base with removable a lightweight aluminum top cover.

    • Full-Pressure Lubrication

      A frame-driven lube oil pump provides cooled oil through a full-flow oil filter to all moving parts in the frame. A divider-block system supplies metered oil to cylinder bores and rod packings.



       

      High-Strength Bolting

      Durable Grade 8 bolting on all loaded joints combined with specially designed fatigue-fighting bolts on all valve caps ensure ultimate strength.



      Rigid Connecting Rods

      This compressor features durable connecting rods manufactured from forged steel with a 4-bolt heavy-duty "I" section.



       

      Rugged Crossheads

      One-piece, long-life crossheads with hardened, ground steel crosshead pins and direct, full-pressure lubrication at the top and bottom for minimum wear.



       

      Innovative Cylinders

      Ariel's horizontal and double-acting cylinders eliminate the cost of a cylinder cooling system and remove the maintenance problems associated with water cooling.



      Durable Pistons and Rods

      This compressors features wear-resistant ductile or gray iron pistons and precision-ground alloy steel piston rods with locking crosshead nuts. Rolled threads are 1/4" under rod diameter for easy installation.



      Precision Bearing Shells

      Every Ariel compressor features precision-machined compact tri-metal main and connecting rod bearings.



       

      Versatile Unloading Devices

      Ariel offers manual, head-end variable volume clearance pockets on most cylinders. Pneumatic suction valve un-loaders are available on a limited basis.



      Efficient Valving

      Plate-type valves are designed for modern speeds, utilizing non-metallic sealing elements as standard. Valves are selected to comply with established low-valve velocity standards.



      Heavy-Duty Crankshafts

      Ariel manufactured crankshafts are precision-machined one-piece forged steel with integral counter-weights, balanced for smooth operation.



      High-Efficiency Spin-On Oil Filters

      This compressor features high-efficiency spin-on oil filters rated at 5 micron nominal and 17 micron absolute.



      Rugged Crankcase

      Ariel crankcases are designed for long service life and ease of access during maintenance and feature heavily-ribbed, high-strength cast iron base with removable lightweight aluminum top cover.




    • Specifications

    • Frame JGE JGK JGT
      JGE/2 JGE/4 JGE/6 JGK/2 JGK/4 JGK/6 JGT/2 JGT/4 JGT/6
      Number of Throws 2 4 6 2 4 6 2 4 6
      Rated Power (BHP) 1,070 2,140 3,210 1,270 2,540 3,810 1,300 2,600 3,900
      Stroke (inch) 4.5 5.5 4.5
      Maximum RPM 1,500 1,200 1,500
      Piston Speed (FPM) 1,125 1,100 1,125
      Total Rod Load (lbs) 60,000 74,000
      Tension (lbs) 30,000 37,000
      Compression (lbs) 32,000 40,000
      Average Weight without Cylinders (lbs) 4,000 7,900 12,600 4,300 8,300 13,300 4,200 8,300 13,300
      Maximum Length (inch) 53 98 140 54 98 140 53 98 140
      Nominal Width (inch) 139 169
      Crankshaft Centerline, from bottom (inch) 17
      Frame JGE JGK JGT
      JGE/2 JGE/4 JGE/6 JGK/2 JGK/4 JGK/6 JGT/2 JGT/4 JGT/6
      Number of Throws 2 4 6 2 4 6 2 4 6
      Rated Power (kW) 798 1,596 2,394 947 1,894 2,841 969 1,939 2,908
      Stroke (mm) 114 140 114
      Maximum RPM 1,500 1,200 1,500
      Piston Speed (m/s) 5.72 5.59 5.72
      Total Rod Load (N) 266,893 329,168
      Tension (N) 133,447 164,584
      Compression (N) 142,343 177,929
      Average Weight without Cylinders (kg) 1,814 3,583 5,715 1,950 3,765 6,033 1,905 3,765 6,033
      Maximum Length (mm) 1,346 2,489 3,556 1,372 2,489 3,556 1,346 2,489 3,556
      Nominal Width (mm) 3,531 4,293
      Crankshaft Centerline, from bottom (mm) 431.8
       
      JGE
      JGK
      JGT
      Number of Throws
      2 | 4 | 6
      2 | 4 | 6
      2 | 4 | 6
      Stroke
      4.50 in
      5.50 in
      4.50 in
      114 mm
      140 mm
      114 mm
      Rated RPM
      1,500
      1,200
      1,500
      Rated Power/Throw
      535 BHP
      635 BHP
      650 BHP
      399 kW
      474 kW
      485 kW

      Internal Gas Rod Loads

      Compression
      32,000 lbf
      40,000 lbf
      142.3 kN
      177.9 kN
      Tension
      30,000 lbf
      37,000 lbf
      133.4 kN
      164.6 kN
      Total
      60,000 lbf
      74,000 lbf
      266.9 kN
      329.2 kN

      Miscellaneous

      Rod Diameter
      2.000 in
      51 mm
      Crankshaft Centerline
      13.750 in
      349 mm
      Main Diameter
      5.625 in
      143 mm
      Guide Design
      Separable

      Material

      Crankshaft
      Forged Steel
      Connecting Rod
      Forged Steel
      Crosshead
      Ductile Iron
      Crosshead Bushing
      Bronze

    • Materials

    • Mid Frame Montage
      Crankcase

      Crankcase

      Mid Frame Crosshead
      Crosshead

      Crosshead

      Mid Frame ConRod
      Connecting Rod

      Connecting Rod

    • Part Material
      Crank Case Gray Iron
      Crosshead Ductile Iron
      Crankshaft Forged Steel
      Connecting Rod Forged Steel
      Main Bearing Tri-Metal
      Thrust Bearing Bronze
      Connecting Rod Bearing Tri-Metal
      Crosshead Guide Ductile Iron
      Crosshead Pin Alloy Steel
      Crosshead Pin Bushing Bronze
      Stress Bolts, Standard Grade 8

    • Cylinders

      Cylinders

      •  
      •  
      •  
       

      Innovative Cylinders

      The proven design of the Ariel cylinder eliminates the cost of a cylinder cooling system and removes the complexity and maintenance problems associated with water cooling, such as scaling and corrosion.

      • Horizontal single or double-acting, ion-nitrided, non-cooled compressor cylinders
      • Plugged indicator connections on the head end and crank end
      • SAE series 4100 steel piston rods, ion-nitrided with rolled threads
      • Pistons of wear-resistant gray iron or ductile iron
      • Non-metallic piston and rider rings
      • Full floating, vented rod and wiper packings
      • Non-metallic plates in suction and discharge valves
       
    • Drag sliders to narrow cylinder choices

      Bore
       
      Pressure
       
      Operation Class BORE (inch) MAWP (psig) Material
      Double-Acting 4-5/8ET 4.250; 4.625 2,600 Ductile Iron  
      Double-Acting 5-1/2ET 5.125; 5.500 1,725 Ductile Iron
      Double-Acting 6-3/8ET 6.000; 6.375 1,500 Ductile Iron
      Double-Acting 7-3/8ET 7.000; 7.375 1,440 Ductile Iron
      Double-Acting 8-3/8ET 8.000; 8.375 800 Ductile Iron
      Double-Acting 9-3/4ET 9.250; 9.750 635 Ductile Iron
      Double-Acting 11-1/2ET 11.000; 11.5000 635 Ductile Iron
      Double-Acting 12-1/4ET 11.750; 12.250 635 Ductile Iron
      Double-Acting 13-1/2ET 13.000; 13.500 300 Ductile Iron
      Double-Acting 15-3/4ET 15.250; 15.750 200 Ductile Iron
      Double-Acting 17-1/4ET 16.750; 17.250 230 Ductile Iron
      Double-Acting 19-1/2ET 19.000; 19.500 200 Ductile Iron
      Double-Acting 22-1/2ET 22.500 205 Ductile Iron
      Double-Acting 3-7/8K:T-VS 3.500; 3.875 6,700 Forged Alloy Steel
      Double-Acting 3-7/8K:T-TR-VS 3.500; 3.875 6,700 Forged Alloy Steel
      Double-Acting 4-3/8K:T-VS 4.250; 4.375 6,000 Forged Alloy Steel
      Double-Acting 4-3/8K:T-TR-VS 4.250; 4.375 6,700 Forged Alloy Steel
      Double-Acting 5-3/8 K:T-DW 5.000; 5.375 2,515 Ductile Iron
      Double-Acting 5-3/8 K:T-VS 5.000; 5.375 3,600 Forged Alloy Steel
      Double-Acting 6-1/4 K:T 5.875; 6.250 2,050 Ductile Iron
      Double-Acting 6-1/4 K:T 5.875; 6.250 2,435 Ductile Iron
      Double-Acting 7-1/4 K:T 6.750; 7.250 1,900 Ductile Iron
      Double-Acting 7-1/4 K:T 6.750; 7.250 2,415 Ductile Iron
      Double-Acting 8-3/8 K:T 7.875; 8.375 1,895 Ductile Iron
      Double-Acting 8-3/8 K:T 7.875; 8.375 2,400 Ductile Iron
      Double-Acting 9-5/8 K:T 9.125; 9.625 1,270 Ductile Iron
      Double-Acting 9-5/8 K:T 9.125; 9.625 1,900 Ductile Iron
      Double-Acting 11 K:T 10.500; 11.000 845 Ductile Iron
      Double-Acting 11 K:T 10.500; 11.000 1,270 Ductile Iron
      Double-Acting 12-1/2 K:T 12.000; 12.500 635 Ductile Iron
      Double-Acting 12-1/2 K:T 12.000; 12.500 800 Ductile Iron
      Double-Acting 14-1/8 K:T 13.625; 14.125 635 Ductile Iron
      Double-Acting 14-1/8 K:T 13.625; 14.125 815 Ductile Iron
      Double-Acting 15-7/8 K:T 15.375; 15.875 635 Ductile Iron
      Double-Acting 17-7/8 K:T 17.375; 17.875 445 Ductile Iron
      Double-Acting 20-1/8 K:T 19.625; 20.125 345 Ductile Iron
      Double-Acting 22 K:T 22.000 285 Ductile Iron
      Double-Acting 24-1/8 K:T 24.125 275 Ductile Iron
      Double-Acting 26-1/2 K:T 26.500 230 Ductile Iron
      Double-Acting 9-1/4 KK:TK 8.75; 9.25 2,400 Ductile Iron
      Double-Acting 9-3/4 KM:TM:KL:TL 8.75; 9.25; 9.75 1,700 Ductile Iron
      Double-Acting 10-3/8 KM:TM:KL:TL 9.875; 10.375 1,900 Ductile Iron
      Double-Acting 11 KM:TM:KL:TL 10.250; 10.750; 11.000 1,690 Ductile Iron
      Double-Acting 11-3/8 KM:TM:KL:TL 10.875; 11.375 1,700 Ductile Iron
      Double-Acting 12-3/8 KM:TM:KL:TL 11.250; 11.750; 12.375 1,690 Ductile Iron
      Double-Acting 12-1/2 KM:TM:KL:TL 12.000; 12.250; 12.500 1,350 Ductile Iron
      Double-Acting 13-5/8 KM:TM:KL:TL 13.125; 13.625 1,085 Ductile Iron
      Double-Acting 14-3/4 KM:TM:KL:TL 14.250; 14.750 600 Ductile Iron
      Tandem 2-5/8 K:T-FS-HE 2.500; 2.625 7,800 Forged Alloy Steel
      Tandem 3 K:T-FS-HE 3.000 6,500 Forged Alloy Steel
      Tandem 5-3/8 K:T-VS-CE 5.000; 5.375 3,600 Forged Alloy Steel
      Tandem 5-3/8 K:T-FS-HE 5.000; 5.375 2,500 Forged Alloy Steel
      Tandem 9-5/8 K:T-CE 9.125; 9.625 1,270 Ductile Iron
      Tandem 9-5/8 K:T-CE 9.125; 9.625 1,390 Ductile Iron
      Bore
       
      Pressure
       
      Operation Class BORE (mm) MAWP (bar) Material
      Double-Acting 3-7/8K:T-VS 89; 98 462 Forged Alloy Steel
      Double-Acting 3-7/8K:T-TR-VS 89; 98 462 Forged Alloy Steel
      Double-Acting 4-3/8K:T-VS 108; 111 414 Forged Alloy Steel
      Double-Acting 4-3/8K:T-TR-VS 108; 111 462 Forged Alloy Steel
      Double-Acting 5-3/8 K:T-DW 127; 137 173 Cast Steel
      Double-Acting 5-3/8 K:T-VS 127; 137 248 Forged Alloy Steel
      Double-Acting 6-1/4 K:T 149; 159 141 Ductile Iron
      Double-Acting 6-1/4 K:T 149; 159 168 Ductile Iron
      Double-Acting 7-1/4 K:T 171; 184 131 Ductile Iron
      Double-Acting 7-1/4 K:T 171; 184 167 Ductile Iron
      Double-Acting 8-3/8 K:T 200; 213 131 Ductile Iron
      Double-Acting 8-3/8 K:T 200; 213 165 Ductile Iron
      Double-Acting 9-5/8 K:T 232; 244 88 Ductile Iron
      Double-Acting 9-5/8 K:T 232; 244 131 Ductile Iron
      Double-Acting 11 K:T 267; 279 58 Ductile Iron
      Double-Acting 11 K:T 267; 279 88 Ductile Iron
      Double-Acting 12-1/2 K:T 305; 318 44 Ductile Iron
      Double-Acting 12-1/2 K:T 305; 318 55 Ductile Iron
      Double-Acting 14-1/8 K:T 346; 359 44 Ductile Iron
      Double-Acting 14-1/8 K:T 346; 359 56 Ductile Iron
      Double-Acting 15-7/8 K:T 391; 403 44 Ductile Iron
      Double-Acting 17-7/8 K:T 441; 454 31 Ductile Iron
      Double-Acting 20-1/8 K:T 498; 511 24 Ductile Iron
      Double-Acting 22 K:T 559 20 Ductile Iron
      Double-Acting 24-1/8 K:T 613 19 Ductile Iron
      Double-Acting 26-1/2 K:T 673 16 Ductile Iron
      Double-Acting 9-1/4 KK:TK 222; 235 165 Ductile Iron
      Double-Acting 9-3/4 KM:TM:KL:TL 222; 235; 248 117 Ductile Iron
      Double-Acting 10-3/8 KM:TM:KL:TL 251; 264 131 Ductile Iron
      Double-Acting 11 KM:TM:KL:TL 260; 273; 279 117 Ductile Iron
      Double-Acting 11-3/8 KM:TM:KL:TL 276; 289 117 Ductile Iron
      Double-Acting 12-3/8 KM:TM:KL:TL 286; 298; 314 117 Ductile Iron
      Double-Acting 12-1/2 KM:TM:KL:TL 305; 311; 318 93 Ductile Iron
      Double-Acting 13-5/8 KM:TM:KL:TL 333; 346 75 Ductile Iron
      Double-Acting 14-3/4 KM:TM:KL:TL 362; 375 41 Ductile Iron
      Tandem 2-5/8 K:T-FS-HE 64; 67 538 Forged Alloy Steel
      Tandem 3 K:T-FS-HE 76 448 Forged Alloy Steel
      Tandem 5-3/8 K:T-VS-CE 127; 137 248 Forged Alloy Steel
      Tandem 5-3/8 K:T-FS-HE 127; 137 172 Forged Alloy Steel
      Tandem 9-5/8 K:T-CE 232; 244 88 Ductile Iron
      Tandem 9-5/8 K:T-CE 232; 244 96 Ductile Iron

    • Parts

      Ariel original equipment parts


    • Genuine Ariel Parts

      Ariel original equipment parts are designed, engineered, and manufactured specifically for your JG or JGAJGC or JGDJGE, JGK, or JGTJGJJGHJGM or JGPJGN or JGQJGRKBV or KBBKBZ or KBU compressor. Discover why Ariel's comprehensive parts program will maximize the life of your compressor.

      Explore Ariel Parts

      Trusted Ariel Distributors

      Ariel OEM parts are marketed through a long-established network of qualified distributors who have unmatched expertise in the compression industry. Our distributors are available to help you select the best parts and services required to maintain the efficiency and dependability of your Ariel compressor.

      Find A Distributor


    • Support

      Ariel is committed to supporting our compressors for life. We pride ourselves on the manufacturing practices and engineering support behind our world class compression technologies. Through unmatched customer service and a global distribution network, Ariel will provide you with best-in-class compression solutions that reduce downtime and improve application performance.