Steel Lamina Coupling

RLA Diaphragm Coupling

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RLA Diaphragm Coupling

Standard, Single Section

The classic design of metal flexible diaphragm couplings is a reliable choice for medium to low speed applications, but cannot compensate for radial deviation.

RLA Diaphragm Coupling
ModelDD1D2d1(max)d2(max)L1/L2SNominal TorqueMaximum Instantaneous TorqueMass Point
G
Radial DeviationAxial DeviationDIAPHRAGM GROUP
Torsional Stiffness
QualityTorsional StiffnessRotational InertiaMaximum Allowable Speed
(mm)(mm)(mm)(mm)(mm)(mm)(mm)T(N.m)Tmax(N.m)(mm)(±△º)(±△mm)Ct10E6(N.m/rad)(Kg)Ct10E6(N.m/rad)J(Kg.m²)n max(r/min)
RLA55-655323222222563676.526.3/0.50.040.620.020.000229000
RLA65-6653535252530652109.529.80.50.05510.02750.000624500
RLA80-6804242303035612025237.90.50.061.850.030.001221000
RLA95-6925050353540823048339.950.50.092.170.0450.0018516850
RLA105-61056464454555845095054.10.50.193.980.0950.00815500
RLA125-6125787855556011650130052.10.50.345.690.170.0170814000
RLA135-61359292656570111180247862.20.50.298.30.1450.022511800
RLA160-6160106106757580152100278064.50.70.8411.920.420.0510000
RLA180-61801271279090105153580560077.60.71.117.180.550.07688500
RLA210-6210148148105105115205000780080.60.71.9724.880.9850.19747800
RLA230-62301771771201201252285001320096.90.83.4536.171.7250.28066800
RLA260-626019819814013014024900014040103.20.85.1352.242.5650.6466200
RLA280-6280219219145145155301350021060118.117.9471.773.970.8145500
RLA310-631023323317016017032202503150012219.3594.834.6751.585180
RLA340-6340254254180180190343050047500141.3112.58131.636.292.4644680
RLA370-6370293293200200210343250078500145115.95156.67.9753.554200
RLA420-6420315315220220230364200095800167.8123.95218.311.9756.2224000

RLA210-8210148148105105115205750897080.6/0.71.9724.880.9850.19747800
RLA230-823017717712012012522102501730096.90.83.4536.171.7250.28067200
RLA260-8260168168130130140231350021060103.497 1.810.2552.651 5.1250.6296800
RLA280-8280196196140140150252025031500118.425 1.816.1572.480 8.0750.9026100
RLA310-8310210210150150160273050047500123.418 1.918.6996.239 9.3451.5895500
RLA340-8340238238170170180323250078500144.162 1.925.15135.020 12.5752.6135000
RLA370-8370252252180180190324200095800146.339 231.91158.593 15.9553.6684500
RLA420-84202802802002002103872000112500169.191 2.147.89220.412 23.9456.4584200
RLA450-84503303302202202303895000228000160.652 2.158.46303.786 29.2310.1913800
RLA500-850036036025025026044125000312500187.242 2.2571.67415.856 35.83517.0633500

RLA340-10340238238170170180324062098120144.162 /1.925.15135.020 12.5752.6135000
RLA370-103702522521801801903252500118750146.339 231.91158.593 15.9553.6684500
RLA420-104202802802002002103890000140600169.191 2.147.89220.412 23.9456.4584200
RLA450-104503303302202202303811875285000160.652 2.2571.35303.786 35.67510.1913800
RLA500-1050036036025025026044156250390600187.242 2.591.95415.856 45.97517.0633500
RLA630-1063040540528028030044262500574370198.637 3193.1578.547 96.5539.1813200
RLA700-1070047846032032034050360000656250197.354 3.5260.46782.783 130.2362.1543000
RLA760-10760505493340340380604562501043750261.444 4331.341050.094 165.6796.6622800
RLA860-10860765548380380450606687501471250267.654 4491.071369.448 245.535169.62500
RLA950-10950625625420420540609000001890000313.875 4658.311854.832 329.155264.5682200
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