G-Series – GA Model Key Features.

Standard Design Features:

  • Interchangeable with the gas compression couplings from Rexnord Thomas and TB Woods with similar mass, inertia, and stiffness
  • Stainless steel discs and alloy steel hubs are standard
  • Improved ease of installation with unitized disc packs
  • Reduced disc flaring and disc flexing forces with scalloped discs

Custom Design Options:

  • Ability to tune mass, inertia, and stiffness with custom design options
  • API compliant versions available

Diagram G-Series – GA Model

G-Series – GA Model  Competitive Replacement Guides.

G-Series Competitive Replacement Guide for GA/GC

View the guide to properly identifying the PSC Coupling size to replace your current disc coupling brand. Custom options are also available to meet your exact needs.

Product Demo Video.

G-Series – GA Model Specific Details.

Ratings

Coupling SizeContinuous TorquePeak TorqueMax. RPMMax. Bore KeyedMax. Bore KeylessMisalignment Capacity 1Weight 2Inertia 2
(in-lbs)(Nm)(in-lbs)(Nm)(in.)(mm)(in.)(mm)Angular (deg)Axial (in)Axial (mm)(lbs.)(kg)(lb-in^2)(kg-m^2)
GA26221,0002,37325,2002,8472,5003.25082.63.62592.10.33±0.043±1.0930141650.048
GA31236,0004,06743,2004,8812,5003.87598.44.375111.10.33±0.051±1.3049223750.110
GA35052,8005,96663,4007,1632,3004.250108.04.750120.70.33±0.056±1.4269316730.197
GA37579,4008,97195,30010,7672,2004.625117.55.250133.40.33±0.062±1.5789401,0200.298
GA42588,0009,943105,60011,9312,0005.000127.05.625142.90.33±0.067±1.70116531,6000.468
GA450136,10015,377163,40018,4621,9005.250133.46.00152.40.33±0.072±1.83143652,2900.670
GA500200,80022,687240,90027,2181,8006.000152.46.750171.50.33±0.082±2.08211964,1201.21
GA550275,10031,082330,10037,2961,8006.750171.57.500190.50.33±0.092±2.343041387,2402.12
GA600358,90040,550430,70048,6631,8007.375187.38.250209.60.33±0.102±2.5939417912,3003.60
GA700456,50051,578547,80061,8931,5008.375212.79.375238.10.33±0.115±2.9264529324,4007.14
GA750644,90072,864773,90087,4391,5009.000228.610.125257.20.33±0.125±3.1874133635,90010.5
GA800813,80091,947976,500110,3301,2009.750247.711.000279.40.33±0.136±3.4595643453,80015.7
GA850898,700101,5391,078,400121,8431,20010.250260.411.625295.30.33±0.144±3.66118053576,70022.4
GA9251,281,300144,7671,537,500173,7141,20011.250285.812.750323.90.33±0.156±3.961,510685117,00034.2
1 Angular values represent misalignment per disc pack. Axial values represent misalignment for double flexing coupling.
2 Weight and inertia values represent total coupling assembly with maximum keyed bore diameter in both hubs.

Dimensional Data

Coupling SizeABHLCOL
(in)(mm)(in)(mm)(in)(mm)(in)(mm)(in)(mm)
GA2626.88174.84.50114.32.8873.23.5189.29.27235.5
GA3128.12206.25.44138.23.3885.94.14105.210.90276.9
GA3509.12231.66.00152.43.7595.34.58116.312.08306.8
GA37510.06255.56.50165.14.00101.65.18131.613.18334.8
GA42511.00279.47.00177.84.25108.05.55141.014.05356.9
GA45011.88301.87.44189.04.50114.35.93150.614.93379.2
GA50013.44341.48.38212.95.00127.06.81173.016.81427.0
GA55015.00381.09.44239.85.50139.77.70195.618.70475.0
GA60016.75425.510.31261.96.00152.48.43214.120.43518.9
GA70018.94481.111.75298.57.00177.89.66245.423.66601.0
GA75020.62523.712.62320.57.25184.210.54267.725.04636.0
GA80022.38568.513.75349.37.75196.911.36288.526.86682.2
GA85023.75603.314.50368.38.25209.612.18309.428.68728.5
GA92525.75654.115.88403.49.00228.613.25336.631.25793.8

Explore Our Other Products.

Series 57

Drop-Out Spacer Disc Couplings

High torque density, lower mass, and better balance allow for much longer life of connected equipment

  • API 610 / 671 Compliant

Series 47

Drop-Out Spacer Disc Couplings

High torque density, lower mass, and better balance allow for much longer life of connected equipment

  • API 610 / 671 Compliant

G-Series

GC Model for Gas Compression

Interchangeable with Thomas CMR and TB Woods FSH with similar mass elastic characteristics

  • Alloy hub and stainless steel disc are standard

What Sets Us Apart.

Alignment Driven Success.

Our expertise in flexible disc couplings resolves the challenges of your demanding applications. We bring innovation to disc coupling design, integration, and customer support that make your life easier.