DNL-P

Shaft diameter: φ11 to φ420 mm
Torque: 50 to 315,000 N.m
Rotational speed: 500–16,000 rpm
Our company is capable of manufacturing various non-standard diaphragm couplings. If you have any customized requirements, please feel free to contact us!

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Product Details

Specification Parameters

Model Type	Number of holes	Shaft diameter mm	Nominal Torque N.m	Permissible Rotational Speed r/min	Shaft extension L1 & L2 mm	A Phi mm	Rotational speed rpm / Power kW						Maximum Permissible Compensation Amount
							3000	1500	1000	750	600	500	Angular to	Axial
							2P	4P	6P	8P	10P	12P	Angle	Axial
80	4	28	50	16000	60	82	12	6	4				1	±2.2
90	4	32	80	16000	80	92	19	10	6	5			1	±2.5
100	4	38	200	14000	80	101	48	24	16	12			1	±3.0
120	4	42	250	14000	110	120	60	30	20	15			1	±3.5
125	4	48	400	13000	110	125	97	48	32	24			1	±3.7
130	4	55	450	13000	110	130	109	54	36	27			1	±3.9
140	4	60	630	12500	140	140	152	76	51	38			1	±4.1
150	4	65	800	12500	140	150	193	97	64	48			1	±4.2
180	4	75	1400	10000	140	180	338	169	113	85	68	56	1	±4.6
195	4	85	2000	9500	170	198	483	242	161	121	97	81	1	±5.0
215	4	95	2800	9000	170	215	677	338	226	169	135	113	1	±5.5
170	6	75	1800	8880	140	170	435	217	145	109	87	72	Two-thirds	±2.8
190	6	85	2800	8000	170	190	677	338	226	169	135	113	Two-thirds	±3.0
200	6	95	3150	8000	170	200	761	381	254	190	152	127	Two-thirds	±3.1
220	6	100	4000	7800	210	228	967	483	332	242	193	161	Two-thirds	±3.3
240	6	110	5000	6700	210	245	1208	604	403	302	242	201	Two-thirds	±3.5
260	6	120	6000	6200	210	265	1450	725	483	362	290	242	Two-thirds	±3.7
275	6	130	9000	5890	250	275	2175	1087	725	543	435	362	Two-thirds	±3.8
290	6	140	12500	5580	250	295	3021	1510	1007	755	604	503	Two-thirds	±3.9
320	8	160	28000	4500	300	322	6766	3383	2255	1692	1353	1128	1/2	±2.8
350	8	180	35500	4250	300	350	8578	4289	2859	2145	1716	1430	1/2	±3.0
370	8	200	56000	3880	350	376	13532	6766	4511	3383	2706	2255	1/2	±3.3
420	10	220	90000	3580	350	425	21748	10874	7249	5437	4350	3625	1/4	±2.4
490	12	250	100000	3550	410	495	24164	12082	8055	6041	4833	4027	1/4	±2.8
550	14	280	180000	3500	410	555	43496	21748	14499	10874	8699	7249	1/4	±2.6
610	14	320	200000	3400	410	610	48329	24164	16110	12082	9666	8055	1/4	±2.8
715	16	360	250000	3300	410	715	60411	30205	20137	15103	12082	10068	1/4	±3.0
820	16	420	315000	3200	450	820	76118	38059	25373	19029	15224	12686	1/4	±3.1

Product Code Description

Selection Steps

● Determine the calculated torque Tc (N·m) using the formula: Tc = 9550 × K × Pw / n Where: K - Working condition coefficient, selected according to Table 2; Pw - Drive power, in kW; n - Operating speed, in r/min.
● Based on the TC value, determine the basic coupling model from Table 1, ensuring that Tc ≤ Tn.
● Based on the operating speed and the shaft diameter dimensions at the transmission ends of the prime mover and working machine, verify from the data table whether these values fall within the range of the selected basic model. If they exceed the specified range, a new selection should be made. Determine the distance between the two shaft ends of the prime mover and the working machine.

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