Mechanical Seal R-M7N – M74N

Mechanical seal Ebara

R-M7N - M74N

Operating range Mechanical seal R-M7N-M74N

Temperature: -20°~200°
Pressure: ≤1.6 MPa
Speed: ≤20 m/sec

Application Pump

Ebara 3M

Table of Mechanical seal descriptions r-m7n-m74n

d1 (H6)	d3 (Max)	d7 (h8)	L3 (±0.5)	L4	L28	d12 (h8)	L13	L14
16	27	27	25.0	10.0	6.6	28.0	9.0	7.5
18	33	33	26.0	11.5	7.5	30.0	10.0	8.0
20	35	35	26.0	11.5	7.5	35.0	9.5	7.5
22	37	37	26.0	11.5	7.5	35.0	9.5	7.5
24	39	39	28.5	11.5	7.5	38.0	9.5	7.5
25	40	40	28.5	11.5	7.5	38.0	9.5	7.5
28	43	43	31.0	11.5	7.5	42.0	11.0	9.0
30	45	45	31.0	11.5	7.5	45.0	11.0	10,5
32	47	48	31.0	11.5	7.5	48.0	11.0	10,5
33	48	48	31.0	11.5	7.5	50.0	11.5	10,5
35	50	50	31.0	11.5	9.0	52.0	11.5	11.0
38	55	56	31.0	14.0	9.0	55.0	11.5	10.3
40	57	58	31.0	14.0	9.0	58.0	11.5	10.8
43	60	61	31.0	14.0	9.0	62.0	14.3	12.0
45	62	63	31.0	14.0	9.0	64.0	14.3	11.6
48	65	66	31.0	14.0	9.0	68.4	14.3	11.6
50	67	70	32.5	15.0	9.5	69.3	14.3	11.6
53	70	73	32.5	15.0	11.0	72.3	14.3	12.3
55	72	75	32.5	15.0	11.0	75.4	15.3	13.3
60	81	80	37.5	15.0	11.0	80.4	15.3	13.3
63	84	83	37.5	15.0	11.0	83.4	15.3	13.3
65	86	85	37.5	15.0	11.0	85.4	15.3	13.0
68	89	90	34.5	18.0	11.3	91.5	16.0	13.7
70	91	92	42.0	18.0	11.3	92.0	15.3	13.0
75	99	97	42.0	18.0	11.3	99.0	15.3	14.8
80	104	105	41.8	18.2	12.0	104.0	16.3	14.8
85	109	110	41.8	18.2	14.0	109.0	16.3	14.8
90	114	115	46.8	18.2	14.0	114.0	16.3	14.8
95	119	120	47.8	17.2	14.0	120.3	17.3	15.8
100	124	125	47.8	17.2	14.0	123.3	17.3	15.8
105	138	134.3	47.0	20.0	–	–	–	–
110	143	140.3	47.0	20.0	–	–	–	–
115	148	148.3	47.0	20.0	–	–	–	–
120	153	150.3	47.0	20.0	–	–	–	–
125	158	154.3	47.0	20.0	–	–	–	–

Materials Mechanical seal r-m7n-m74n

Rotary ring: Carbon / SIC / SUS
Stationary ring: Carbon / SIC / SUS
Bellows: EPDM / VITON
Spring: SS304/ SS316
Metal parts: SS304/ SS316