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RLQF Flange Type Quick Installation Diaphragm Coupling

Suitable for drum pressure fans, turbine compressors, and other high speed applications, with a maximum speed of up to 35000rpm.

RLQF Flange Type Quick Installation Diaphragm Coupling
Model D DA D1/D2 D3 d1/d2max) d4 L1/L2 E
Standard/Minimum
(min)		 L Maximum Allowable Speed Nominal Torque Maximum Instantaneous Torque
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) n max(r/min) T(N.m) Tmax(N.m)
RLQF103-6 124 103 103 62 60 56 65 460/120 260 38000 980 2500
RLQF125-6 146 125 127 76 70 58 75 460/120 272 35000 1500 5300
RLQF145-6 168 145 150 85 85 75 90 460/120 290 30000 2000 6500
RLQF158-6 188 158 180 94 100 85 105 460/130 340 27500 3800 15000
RLQF175-6 210 175 200 108 120 99 125 460/160 400 24500 6500 25000
RLQF205-6 235 205 210 127 135 117 140 460/160 430 23500 9800 27500
RLQF235-6 270 235 232 151 155 140 165 460/190 525 21000 13500 43500
RLQF255-6 298 255 250 164 170 150 180 460/195 545 18500 19500 65000
RLQF280-6 320 280 277 182 185 167 195 460/200 590 16000 26500 85350
RLQF300-6 350 300 305 202 205 182 215 460/210 620 14850 32000 91500
RLQF320-6 382 320 336 219 225 200 235 460/250 710 13500 43200 128000
RLQF370-6 425 370 365 238 245 220 255 500/270 780 12500 70000 185000
RLQF400-6 455 402 405 248 270 232 290 500/305 885 11000 98000 282000
RLQF435-6 490 435 440 292 295 270 315 500/305 925 10000 125000 315000
RLQF465-6 540 465 470 327 325 300 345 550/330 1000 8500 145000 391500
RLQF540-6 600 540 532 375 355 344 375 550/330 1070 7350 200000 525000
Model d3 Mass Point
G		 Angular Deviation Maximum axial deviation S Intermediate Mass
m		 Intermediate moment of inertia Intermediate torsional stiffness Weight
M		 Torsional Stiffness Rotational Inertia Tightening torque
(mm) (mm) (±△º) (Max±△mm) (mm) 10-3kg/mm Js10-6(Kg.m²/mm) Ct-106(Nm.mm/rad) (Kg) Ct-106(N.m/rad) Js10-6(Kg.m²/mm) F' (N.m)
RLQF103-6
52.41 0.35° 0.9*2 9 3.8 3 25 7.6 47 5 8
RLQF125-6
61.485 1*2 12 5.3 5.04 51.3 12.8 151 13 8
RLQF145-6
70.6 1*2 14 8.82 14 143 19.5 150 31 8
RLQF158-6
80.02 1.25*2 16 10 20 203 28 217 57 8
RLQF175-6
96.6 1.25*2 17 11.5 31 314 42.5 472 129 8
RLQF205-6
103.5 1.75*2 17 15 56 571 56.5 478 203 15
RLQF235-6
120.2 1.75*2 21 20 105 1066 89 894 483 15
RLQF255-6
132 1.8*2 21 23 146 1489 112.5 1502 671 45
RLQF280-6
142.7 1.8*2 22 30.1 232 2361 138 1517 115 45
RLQF300-6
149.1 2*2 22 33 301 3089 173.2 1562 160.6 45
RLQF320-6
164.3 2*2 27 44 490 4989 247 2622 258 45
RLQF370-6
185.5 2.25*2 32 57.5 771 7860 337 4242 466.7 45
RLQF400-6
207.2 3*2 35 75.5 1129 11509 405 9109 7329 45
RLQF435-6
212.5 3.25*2 37 80 1504 16140 515.5 15450 10010 45
RLQF485-6
245.2 3.75*2 40 105 2570 26183 690 20380 18490 100
RLQF540-6
262.4 4*2 42 133 4290 43682 903 23350 29500 100
Model D DA D1/D2 D3 d1/d2max) d4 L1/L2 E
Standard/Minimum
(min)		 L Maximum Allowable Speed Nominal Torque Maximum Instantaneous Torque
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) n max(r/min) T(N.m) Tmax(N.m)
RLQF158-8 188 158 147 94 100 82 105 460/130 340 12200 7500 20000
RLQF175-8 210 175 175 108 115 97 120 460/160 400 10000 9800 29200
RLQF205-8 235 207 197 135 130 123 135 460/250 520 9500 11250 39375
RLQF235-8 280 240 235 152 155 138 165 460/270 600 8000 27500 82500
RLQF255-8 300 258 260 164 175 149 185 460/305 675 7500 31500 94500
RLQF300-8 345 302 292 198 195 184 205 460/305 715 6500 42500 127500
RLQF345-8 402 346 344 234 230 217 240 500/250 730 5500 62000 186000
RLQF370-8 425 372 368 248 2445 228 255 500/270 780 5200 98000 264500
RLQF400-8 453 402 396 257 270 232 290 500/305 885 4750 135000 364500
RLQF435-8 490 435 435 293 290 270 310 500/305 925 4400 170000 459000
RLQF465-8 540 465 474 327 315 300 335 550/330 1000 3900 215000 580500
RLQF540-8 600 540 526 375 350 344 370 550/330 1070 3500 278000 750600
RLQF610-8 665 610 587 420 390 385 410 600/385 1205 3200 400000 105000
Model d3 Mass Point
G		 Angular Deviation Maximum axial deviation S Intermediate Mass
m		 Intermediate moment of inertia Intermediate torsional stiffness Weight
M		 Torsional Stiffness Rotational Inertia Tightening torque
(mm) (mm) (±△º) (Max±△mm) (mm) 10-3kg/mm Js10-6(Kg.m²/mm) Ct-106(Nm.mm/rad) (Kg) Ct-106(N.m/rad) Js10-6(Kg.m²/mm) F' (N.m)
RLQF158-8
87.8 0.25° 0.6*2 16 12 20 203 29 351 110 8
RLQF175-8
94.5 0.9*2 17 13 31 314 42.5 620 220 10
RLQF205-8
103.8 1.1*2 17 19.1 80 811 58 904 438 12.5
RLQF235-8
121.5 1.1*2 21 25.1 132 1344 98 1785 865 28
RLQF255-8
133.4 1.4*2 21 29 178 1810 125.5 3069 950 31.5
RLQF300-8
151.5 1.7*2 22 33 301 3069 174 3909 1597 45
RLQF345-8
174.4 2*2 24 42.5 602 6133 275 5365 3484 63
RLQF370-8
187.4 2.1*2 27 59 833 8485 332 9043 4677 100
RLQF400-8
207.2 2.2*2 32 75.5 1129 11509 435.2 12300 13500 140
RLQF435-8
212.5 2.4*2 35 80 1504 16140 554 15450 18780 180
RLQF485-8
245.2 2.6*2 37 105 2570 26183 742 20380 30280 224
RLQF540-8
262.4 2.75*2 40 133 4290 43682 956 23350 47500 280
RLQF610-8
302.1 3.4*2 42 169 6870 70033 1325 37320 81300 400
Model D DA D1/D2 D3 d1/d2max) d4 L1/L2 E
Standard/Minimum
(min)		 L Maximum Allowable Speed Nominal Torque Maximum Instantaneous Torque
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) n max(r/min) T(N.m) Tmax(N.m)
RLQF205-10 235 207 190 135 130 119 135 460/250 520 18500 20000 54000
RLQF235-10 280 240 225 152 155 132 165 460/270 600 15500 35500 113500
RLQF255-10 300 258 255 164 175 140 185 460/305 675 14500 50000 145000
RLQF300-10 345 302 286 198 195 176 205 460/305 715 12500 63000 165000
RLQF345-10 402 346 345 234 230 217 240 500/250 730 11000 78500 245000
RLQF370-10 425 372 368 248 245 228 255 500/270 780 10000 124500 348500
RLQF400-10 453 402 400 257 270 232 290 500/305 885 9500 158500 518000
RLQF435-10 490 435 435 293 290 270 310 500/305 925 8700 178000 575000
RLQF485-10 550 485 480 327 315 300 335 550/330 1000 7500 245000 860000
RLQF540-10 600 540 530 374 350 344 370 550/330 1070 6850 350000 965000
RLQF610-10 665 610 590 410 390 386 410 600/385 1205 6000 555000 1450000
RLQF720-10 800 720 725 495 500 435 650




Model d3 Mass Point
G		 Angular Deviation Maximum axial deviation S Intermediate Mass
m		 Intermediate moment of inertia Intermediate torsional stiffness Weight
M		 Torsional Stiffness Rotational Inertia Tightening torque
(mm) (mm) (±△º) (Max±△mm) (mm) 10-3kg/mm Js10-6(Kg.m²/mm) Ct-106(Nm.mm/rad) (Kg) Ct-106(N.m/rad) Js10-6(Kg.m²/mm) F' (N.m)
RLQF205-10
116.4 0.2° 0.8*2 21 25 100 811 58 1450 380 8
RLQF235-10
121.5 0.85*2 23 35 175 1344 95 2660 870 15
RLQF255-10
121.5 0.95*2 23 45 261 1344 128 3930 1440 15
RLQF300-10
133.4 1.15*2 26 48 445 1810 175.5 5405 2540 45
RLQF345-10
151.5 1.4*2 31 51 602 3069 278.5 7921 5990 45
RLQF370-10
174.4 1.5*2 33 59 833 6133 336 11450 8050 45
RLQF400-10
187.4 1.505*2 35 75 1077 8485 445 15540 12390 45
RLQF435-10
207.2 2*2 35 78.5 1510 11509 559 19950 18850 45
RLQF485-10
212.5 2.15*2 38 104.5 2570 16140 748.5 29385 30500 45
RLQF540-10
245.2 2.3*2 40 133 4285 26183 960 39425 47950 100
RLQF610-10
262.4 2.8*2 46 170 6672 43682 1328 59450 81560 100
RLQF720-10











« RLQF Flange Type Quick Installation Diaphragm Coupling » Post Date: 2023/8/16

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