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RLQA No Flange Quick Installation Metal Diaphragm Coupling

Suitable for various industrial process pumps, fans, and other medium to low speed applications, with a maximum speed generally not exceeding 25000 rpm. It meets the requirements of API610/ISO14691 and is one of the first products for API applications.

RLQA No Flange Quick Installation Metal Diaphragm Coupling
Model DA D1/D2 D3 d1/d2max) d4 L1/L2 min E(min) L Maximum Allowable Speed Nominal Torque Maximum Instantaneous Torque
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) n max(r/min) T(N.m) Tmax(N.m)
RLQA85-4 85 52 41 35 30 40 80 160 24000 40.5 310
RLQA96-4 96 64 46 45 35 50 80 180 21000 67 420
RLQA105-4 105 73 56 50 45 60 85 205 18900 150 750
RLQA125-4 125 93 70 65 58 75 95 245 15200 205 1495
RLQA135-4 135 103 80 75 68 85 100 270 14750 410 1780
RLQA152-4 152 120 90 85 78 100 110 310 13500 1000 3100
Model 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) (±△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)
RLQA85-4 24.22 1° 1 7.2 4.32 1 14 3.1 26 2 10
RLQA96-4 29.1 1.25 7.2 4.92 2 20 3.85 28 4 10
RLQA105-4 34.07 1.4 8.4 6.17 4 40 5.54 38 8 10
RLQA125-4 42.094 1.7 9.5 7.74 10 99 9.45 41 18 10
RLQA135-4 47.571 1.95 10.7 10.95 15 154 11.5 60 26 10
RLQA152-4 54.879 2 11.1 12.43 22 225 16.5 95 49 10
Model DA D1/D2 D3 d1/d2max) d4 L1/L2 min E(min) L Maximum Allowable Speed Nominal Torque Maximum Instantaneous Torque
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) n max(r/min) T(N.m) Tmax(N.m)
RLQA103-6 103 70 55 48 49 55 80 190 20000 400 1200
RLQA125-6 125 90 65 60 58 70 90 230 17000 630 2500
RLQA145-6 145 107 84 75 75 85 90 280 14300 1400 3300
RLQA158-6 158 125 94 90 85 100 95 295 12200 2000 6500
RLQA175-6 175 145 108 105 99 120 125 365 10000 3500 10500
RLQA205-6 205 163 127 125 117 130 125 385 9800 4250 13000
RLQA235-6 235 195 150 140 140 160 135 455 8200 8000 24000
RLQA255-6 255 202 163 150 150 170 145 485 7500 11850 33500
RLQA280-6 280 230 182 165 167 185 175 545 6780 21500 45000
RLQA300-6 300 250 198 180 182 200 175 575 6300 26500 51600
RLQA320-6 320 265 219 190 200 210 195 615 5800 38500 77000
RLQA370-6 370 306 242 220 220 240 220 700 5100 40000 11000
Model 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) (±△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)
RLQA103-6 52.41 0.65° 0.8 8 3.8 3 25 4.5 47 5 10
RLQA125-6 61.485 1 11 5.3 5 51 7.6 151 13 10
RLQA145-6 67.9 1.15 11 8.82 14 143 12.1 150 31 10
RLQA158-6 81.4 1.3 15 10 20 203 17.2 217 57 10
RLQA175-6 96.6 1.5 15 11.5 31 314 29 472 129 10
RLQA205-6 102 1.75 20 15 56 571 36.9 478 203 25
RLQA235-6 120.2 1.8 22 20 105 1066 51.4 894 483 25
RLQA255-6 132 1.8 24 23 146 1489 73.1 1502 671 85
RLQA280-6 142.7 1.9 30 30.1 232 2361 102.9 1517 115 85
RLQA300-6 149.1 1.9 32 33 301 3089 123.3 1562 160.6 85
RLQA320-6 164.3 2.4 34 44 490 4989 165.9 2622 258 210
RLQA370-6 185.5 3 34 57.5 771 7860 238.1 4242 466.7 210
Model DA D1/D2 D3 d1/d2max) d4 L1/L2 min E(min) L Maximum Allowable Speed Nominal Torque Maximum Instantaneous Torque
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) n max(r/min) T(N.m) Tmax(N.m)
RLQA205-8 207 168 135 120 123 120 125 385 9500 8000 19500
RLQA235-8 240 190 152 135 138 150 145 445 8000 16000 47800
RLQA255-8 258 207 164 145 149 160 175 485 7500 25000 63000
RLQA300-8 302 247 198 175 184 200 175 575 6500 31500 73700
RLQA345-8 346 295 234 210 217 240 195 675 5500 40000 123000
RLQA370-8 372 306 248 220 228 240 220 700 5200 63000 165000
RLQA400-8 402 327 257 240 232 270 240 780 4750 80000 228000
RLQA435-8 435 356 293 250 270 280 240 800 4400 100000 254000
RLQA485-8 485 406 327 290 300 320 295 935 3900 140000 400000
RLQA540-8 540 447 374 320 344 350 295 995 3500 200000 448000
RLQA610-8 610 517 410 370 375 410 320 1145 3200 250000 669000
Model 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) (±△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)
RLQA205-8 116.4 0.5° 1 20 19.1 80 811 58 904 438 25
RLQA235-8 121.5 1.1 22 25.1 132 1344 63.5 2614 504 25
RLQA255-8 133.4 1.2 24 29 178 1810 88 3069 862 85
RLQA300-8 151.5 1.5 30 33 301 3069 126 3909 1597 85
RLQA345-8 174.4 1.9 32 42.5 602 6133 197.5 5365 3484 85
RLQA370-8 187.4 2.1 34 59 833 8485 235.1 9043 4677 210
RLQA400-8 207.2 2.4 34 75.5 1129 11509 316 9109 7329 210
RLQA435-8 212.5 2.6 36 80 1504 16140 372.5 15450 10010 410
RLQA485-8 245.2 2.75 38 105 2570 26183 538 20380 18490 410
RLQA540-8 262.4 3 38 133 4290 43682 696 23350 29500 710
RLQA610-8 302.1 3.5 44 169 6870 700033 1055 33720 57570 710

« RLQA No Flange Quick Installation Metal Diaphragm Coupling » Post Date: 2023/8/16

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