RLA Standard Single Section Metal Diaphragm Coupling

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

Model	D	D1	D2	d1(max)	d2(max)	L1/L2	S	Nominal Torque	Maximum Instantaneous Torque	Mass Point G	Radial Deviation	Axial Deviation	DIAPHRAGM GROUP Torsional Stiffness	Quality	Torsional Stiffness	Rotational Inertia	Maximum Allowable Speed
Model	(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）
RLA55-6	55	32	32	22	22	25	6	36	76.5	26.3	/	0.5	0.04	0.62	0.02	0.0002	29000
RLA65-6	65	35	35	25	25	30	6	52	109.5	29.8		0.5	0.055	1	0.0275	0.0006	24500
RLA80-6	80	42	42	30	30	35	6	120	252	37.9		0.5	0.06	1.85	0.03	0.0012	21000
RLA95-6	92	50	50	35	35	40	8	230	483	39.95		0.5	0.09	2.17	0.045	0.00185	16850
RLA105-6	105	64	64	45	45	55	8	450	950	54.1		0.5	0.19	3.98	0.095	0.008	15500
RLA125-6	125	78	78	55	55	60	11	650	1300	52.1		0.5	0.34	5.69	0.17	0.01708	14000
RLA135-6	135	92	92	65	65	70	11	1180	2478	62.2		0.5	0.29	8.3	0.145	0.0225	11800
RLA160-6	160	106	106	75	75	80	15	2100	2780	64.5		0.7	0.84	11.92	0.42	0.05	10000
RLA180-6	180	127	127	90	90	105	15	3580	5600	77.6		0.7	1.1	17.18	0.55	0.0768	8500
RLA210-6	210	148	148	105	105	115	20	5000	7800	80.6		0.7	1.97	24.88	0.985	0.1974	7800
RLA230-6	230	177	177	120	120	125	22	8500	13200	96.9		0.8	3.45	36.17	1.725	0.2806	6800
RLA260-6	260	198	198	140	130	140	24	9000	14040	103.2		0.8	5.13	52.24	2.565	0.646	6200
RLA280-6	280	219	219	145	145	155	30	13500	21060	118.1		1	7.94	71.77	3.97	0.814	5500
RLA310-6	310	233	233	170	160	170	32	20250	31500	122		1	9.35	94.83	4.675	1.58	5180
RLA340-6	340	254	254	180	180	190	34	30500	47500	141.3		1	12.58	131.63	6.29	2.464	4680
RLA370-6	370	293	293	200	200	210	34	32500	78500	145		1	15.95	156.6	7.975	3.55	4200
RLA420-6	420	315	315	220	220	230	36	42000	95800	167.8		1	23.95	218.3	11.975	6.222	4000

RLA210-8	210	148	148	105	105	115	20	5750	8970	80.6	/	0.7	1.97	24.88	0.985	0.1974	7800
RLA230-8	230	177	177	120	120	125	22	10250	17300	96.9		0.8	3.45	36.17	1.725	0.2806	7200
RLA260-8	260	168	168	130	130	140	23	13500	21060	103.497		1.8	10.25	52.651	5.125	0.629	6800
RLA280-8	280	196	196	140	140	150	25	20250	31500	118.425		1.8	16.15	72.480	8.075	0.902	6100
RLA310-8	310	210	210	150	150	160	27	30500	47500	123.418		1.9	18.69	96.239	9.345	1.589	5500
RLA340-8	340	238	238	170	170	180	32	32500	78500	144.162		1.9	25.15	135.020	12.575	2.613	5000
RLA370-8	370	252	252	180	180	190	32	42000	95800	146.339		2	31.91	158.593	15.955	3.668	4500
RLA420-8	420	280	280	200	200	210	38	72000	112500	169.191		2.1	47.89	220.412	23.945	6.458	4200
RLA450-8	450	330	330	220	220	230	38	95000	228000	160.652		2.1	58.46	303.786	29.23	10.191	3800
RLA500-8	500	360	360	250	250	260	44	125000	312500	187.242		2.25	71.67	415.856	35.835	17.063	3500

RLA340-10	340	238	238	170	170	180	32	40620	98120	144.162	/	1.9	25.15	135.020	12.575	2.613	5000
RLA370-10	370	252	252	180	180	190	32	52500	118750	146.339		2	31.91	158.593	15.955	3.668	4500
RLA420-10	420	280	280	200	200	210	38	90000	140600	169.191		2.1	47.89	220.412	23.945	6.458	4200
RLA450-10	450	330	330	220	220	230	38	11875	285000	160.652		2.25	71.35	303.786	35.675	10.191	3800
RLA500-10	500	360	360	250	250	260	44	156250	390600	187.242		2.5	91.95	415.856	45.975	17.063	3500
RLA630-10	630	405	405	280	280	300	44	262500	574370	198.637		3	193.1	578.547	96.55	39.181	3200
RLA700-10	700	478	460	320	320	340	50	360000	656250	197.354		3.5	260.46	782.783	130.23	62.154	3000
RLA760-10	760	505	493	340	340	380	60	456250	1043750	261.444		4	331.34	1050.094	165.67	96.662	2800
RLA860-10	860	765	548	380	380	450	60	668750	1471250	267.654		4	491.07	1369.448	245.535	169.6	2500
RLA950-10	950	625	625	420	420	540	60	900000	1890000	313.875		4	658.31	1854.832	329.155	264.568	2200

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