LPA
Disc pack couplings for API 610 Requirements

350 - 20,000 Nm

LPA DISC PACK COUPLINGS FOR API 610 REQUIREMENTS

Specifications LPA

LPA series 500 800 2500 5000 8000 12000
Rated torque (kW/100rpm)PKN 5 8 26.2 52 84 126
Rated torque (hp/100rpm)PKN 500 800 2500 5000 8000 12000
Rated torque (Nm)TKN1000 1600 5000 10000 16000 24000
Rated torque (in-lbs)TKN
190230
250290
332402
360430
450 500
Max. torque (Nm)TKmax116 142 190 231 298 324
Max. torque (in-lbs)TKmax71 84 102 130 160 192
Overall length (mm)A45 55 75 90 100 125
Outside diameter (mm)B123-50 25-60 31-75 39-95 50-115 70-140
Hub diameter (mm)B22xM6 2xM6 2xM8 2xM10 2xM10 2xM12
Hub fit length (mm)C7 10 14 15 15 20
Bore diameter
available from Ø to Ø H7 (mm)
D1/2
100140
140180
180250
180250
250 250
Set screw (DIN 916)EM8 M10 M16 M20 M24 M24
Distance (mm)F41 83 355 690 1200 1200
Distance to screw (DIN 916)G
88.4
21.822.3
85.888.4
248256
901 1350
Assembly screw (ISO 4017)
Nut (DIN 4032)
H
steel steel steel steel steel steel
Tightening torque (Nm)
55.4
9.29.6
20.822
3941
83 105
Moment of inertia (10-3 kgm2)Jges0.75 1 1.3 1.5 1.7 2
Material
0.71.1
11.5
1.32
1.11.9
1.5 1.5
Approximate weight (kg)
Axial ±(mm)7600 6400 5300 3900 3100 2500
Lateral ± (mm)18800 15100 12800 9800 8100 6200
Angular ± (degree)
Maximum speed (1/min.)
Maximum balanced speed (1/min.)
CAD Portal 500 800 2500 5000 8000 12000
2D/3D Data 

Properties

  • Design:
    • two precision machined coupling hubs
and precision spacer tube mounted
to the disc packs by means of high
strength screws and bushings for alignment and frictional clamping of the
assembly.
    • axial retention with DIN 916 set screws.
  • Material:
    • disc packs: highly elastic, corrosion resistant spring steel

    • hubs and spacer: high strength steel
  • Features Model Model LPA:
    • meets all requirements of API 610
    • intermediate tube removable without disturbing adjacent equipment
    • integral safety catch in case of disc pack rupture
    • ISO G6.3 / AGMA class 9 minimum balance quality
    • highly customizable