Mechanical Seal HB7N

Mechanical seal H-brinker

HB7N

Operating range Mechanical seal HB7N

Shaft diameter:
d1 = 14 … 100 mm (0.55″ … 3.94″)
Single spring:
(d1 = max. 100 mm (3.94″))
Pressure:
p1 = 80 bar (1,160 PSI) for d1 = 14 … 100 mm,
p1 = 25 bar (363 PSI) for d1 = 100 … 200 mm,
p1 = 16 bar (232 PSI) for d1 > 200 mm
Temperature:
t = -50 °C … 220 °C (-58 °F … 428 °F)
Sliding velocity:
vg = 20 m/s (66 ft/s)
Axial movement:
d1 up to 22 mm: ± 1.0 mm
d1 24 up to 58 mm: ± 1.5 mm
d1 from 60 mm: ± 2.0 mm

Table of Mechanical seal descriptions HB7N

Item	Part no. to DIN 24250	Description
1.1	472	Seal face
1.2	485	Drive collar
1.3	474	Thrust ring
1.4	412.1	O-Ring
1.5	477	Spring
1.6	904	Set screw
2	475	Seat (G9)
3	412.2	O-Ring

Features Seal HB7N

For stepped shafts
Single seal
Balanced
Super-Sinus-spring or multiple springs rotating
Independent of direction of rotation
Integrated pumping device available (H7F, H75F)
Variant with seat cooling available (H75G115)

Advantages mechanical seal HB7N

Universal application opportunities (standardization)
Efficient stock keeping due to easily interchangeable faces
Extended selection of materials
Flexibility in torque transmissions
Self cleaning effect
Short Installation length possible (G16)

Materials Seal HB7N

Seal face: Silicon carbide (Q1, Q2), Carbon graphite antimony impregnated (A), Aluminium oxide (V), CrMo cast steel (S)
Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1*, Q2*)
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G), Duplex (G1)

*Cannot be combined with seal face made of S

Recommended applications seal HB7N

Process industry
Oil and gas industry
Refining technology
Petrochemical industry
Chemical industry
Power plant technology
Pulp and paper industry
Food and beverage industry
Hot water applications
Light hydrocarbons
Boiler feed pumps
Process pumps

Dimension Table Seal HB7N

d₁	d₂	d₃	d₆	d₇	d₈	d₂₄	d₂₁	d₂₂	d_s	l_1K	l1N	l₂	l₃
14*	18	33	21.0	25.0	3	20	–	–	38	42.5	–	18	32.5
16*	20	35	23.0	27.0	3	22	–	–	40	42.5	–	18	32.5
18*	22	37	27.0	33.0	3	24	–	–	42	45.0	55	20	33.5
20*	24	39	29.0	35.0	3	26	–	–	44	45.0	60	20	33.5
22*	26	41	31.0	37.0	3	28	–	–	45	45.0	60	20	33.5
24*	28	43	33.0	39.0	3	30	–	–	47	47.5	60	20	36.0
25*	30	45	34.0	40.0	3	32	–	–	49	47.5	60	20	36.0
28*	33	48	37.0	43.0	3	35	44.65	50.57	51	50.0	65	20	38.5
30*	35	50	39.0	45.0	3	37	47.83	53.75	54	50.0	65	20	38.5
32*	38	55	42.0	48.0	3	40	47.83	53.75	59	50.0	65	20	38.5
33*	38	55	42.0	48.0	3	40	47.83	53.75	59	50.0	65	20	38.5
35*	40	57	44.0	50.0	3	42	51.00	56.92	61	50.0	65	20	38.5
38*	43	60	49.0	56.0	4	45	54.18	60.10	65	52.5	75	23	38.5
40*	45	62	51.0	58.0	4	47	60.53	66.45	66	52.5	75	23	38.5
43*	48	65	54.0	61.0	4	50	63.70	69.62	69	52.5	75	23	38.5
45*	50	67	56.0	63.0	4	52	63.70	69.62	71	52.5	75	23	38.5
48*	53	70	59.0	66.0	4	55	66.88	72.80	75	52.5	85	23	38.5
50*	55	72	62.0	70.0	4	57	70.05	75.97	76	57.5	85	25	42.5
53*	58	79	65.0	73.0	4	60	76.40	82.32	83	57.5	85	25	42.5
55*	60	81	67.0	75.0	4	62	76.40	82.32	85	57.5	85	25	42.5
58*	63	84	70.0	78.0	4	65	79.58	85.50	88	62.5	85	25	47.5
60*	65	86	72.0	80.0	4	67	82.75	88.67	95	62.5	95	25	47.5
63*	68	89	75.0	83.0	4	70	85.93	91.85	93	62.5	95	25	47.5
65*	70	91	77.0	85.0	4	72	85.93	91.85	95	62.5	95	25	47.5
70*	75	99	83.0	92.0	4	77	89.10	95.02	105	70.0	95	28	52.0
75*	80	104	88.0	97.0	4	82	98.63	104.55	109	70.0	105	28	52.0
80*	85	109	95.0	105.0	4	87	101.80	107.72	114	70.0	105	28	51.8
85*	90	114	100.0	110.0	4	92	108.15	114.07	119	75.0	105	28	56.8
90*	95	119	105.0	115.0	4	97	114.50	120.42	124	75.0	105	28	56.8
95*	100	124	110.0	120.0	4	102	117.68	123.60	129	75.0	105	28	57.8
100*	105	129	115.0	125.0	4	107	124.03	129.95	134	75.0	105	28	57.8
105*	115	148	122.2	134.3	5	118	128.98	134.90	153	73.0	–	32	53.0
110*	120	153	128.2	140.3	5	123	135.30	141.20	158	73.0	–	32	53.0
115*	125	158	136.2	148.3	5	128	140.30	146.20	163	73.0	–	32	53.0
120*	130	163	138.2	150.3	5	133	145.30	151.20	168	73.0	–	32	53.0
125*	135	168	142.2	154.3	5	138	150.30	156.20	173	73.0	–	32	53.0
130*	140	173	146.2	158.3	5	143	155.30	161.20	178	73.0	–	32	53.0
135*	145	178	152.2	164.3	5	148	160.30	166.20	183	73.0	–	32	53.0
140*	150	183	156.2	168.3	5	153	165.30	171.20	188	73.0	–	32	53.0
145*	155	191	161.2	173.3	5	158	172.30	178.20	196	83.0	–	34	63.0
150*	160	196	168.2	180.3	5	163	177.30	183.20	201	85.0	–	36	63.0
155*	165	201	173.2	185.3	5	168	182.30	188.20	206	87.0	–	38	63.0
160*	170	206	178.2	190.3	5	173	187.30	193.20	211	87.0	–	38	63.0
165*	175	211	183.2	195.3	5	178	192.30	198.20	216	87.0	–	38	63.0
170*	180	216	188.2	200.3	5	183	197.30	203.20	221	87.0	–	38	63.0
175*	185	221	193.2	205.3	5	188	202.30	208.20	226	87.0	–	38	63.0
180*	190	226	207.5	219.3	5	193	207.30	213.20	231	91.0	–	42	63.0
185*	195	231	212.5	224.3	5	198	212.30	218.20	236	91.0	–	42	63.0
190*	200	236	217.5	229.3	5	203	217.30	223.20	241	91.0	–	42	63.0
195*	205	245	222.5	234.2	5	208	225.30	231.20	250	94.0	–	43	66.0
200*	210	250	227.5	239.3	5	213	230.30	236.20	255	94.0	–	43	66.0

l₅	l₆	l₇	l₈	l₉	l₃₉	l₄₀	A	b	e	f	h₁	h₂	k	m_x	u_max.	t
1.5	4	8.5	17.5	10.0	–	–	–	5	–	6.0	–	–	–	M5	_9	1.1
1.5	4	8.5	17.5	10.0	–	–	–	5	–	6.0	–	–	–	M5	9	1.1
2.0	5	9.0	19.5	11.5	–	–	–	6	–	7.0	–	–	–	M5	9	1.5
2.0	5	9.0	19.5	11.5	–	–	–	6	–	5.5	–	–	–	M5	9	1.5
2.0	5	9.0	19.5	11.5	–	–	–	6	–	8.0	–	–	–	M5	9	1.5
2.0	5	9.0	19.5	11.5	–	–	–	6	–	5.5	–	–	–	M6	9	1.5
2.0	5	9.0	19.5	11.5	–	–	–	6	–	5.5	–	–	–	M6	9	1.5
2.0	5	9.0	19.5	11.5	24.0	8.5	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.0	5	9.0	19.5	11.5	24.5	9.0	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.0	5	9.0	19.5	11.5	24.5	9.0	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.0	5	9.0	19.5	11.5	24.5	9.0	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.0	5	9.0	19.5	11.5	24.5	9.0	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.0	6	9.0	22.0	14.0	26.0	11.0	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.0	6	9.0	22.0	14.0	26.0	11.0	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.0	6	9.0	22.0	14.0	26.0	11.0	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.0	6	9.0	22.0	14.0	26.0	11.0	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.0	6	9.0	22.0	14.0	26.0	11.0	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.5	6	9.0	23.0	15.0	26.5	12.5	24.0	6	8.0	8.0	6.6	22.6	9	M6	12	1.5
2.5	6	9.0	23.0	15.0	26.5	12.5	24.0	8	8.0	9.0	6.6	22.6	9	M8	12	1.9
2.5	6	9.0	23.0	15.0	28.5	12.5	26.0	8	8.0	9.0	6.6	24.6	11	M8	12	1.9
2.5	6	9.0	23.0	15.0	28.5	12.5	26.0	8	8.0	9.0	6.6	24.6	11	M8	15	1.9
2.5	6	9.0	23.0	15.0	28.5	12.5	26.0	8	8.0	9.0	6.6	24.6	11	M8	15	1.9
2.5	6	9.0	23.0	15.0	28.5	12.5	26.0	8	8.0	9.0	6.6	24.6	11	M8	14	1.9
2.5	6	9.0	23.0	15.0	28.5	12.5	26.0	8	8.0	9.0	6.6	24.6	11	M8	15	1.9
2.5	7	9.0	26.0	18.0	30.5	14.5	26.0	8	8.0	10.0	6.6	24.6	11	M8	15	1.9
2.5	7	9.0	26.0	18.0	30.5	14.5	26.0	8	8.0	10.0	6.6	24.6	11	M8	15	1.9
3.0	7	9.0	26.2	18.2	30.2	14.0	26.0	8	8.0	10.0	6.6	24.6	11	M8	15	1.9
3.0	7	9.0	26.2	18.2	30.2	14.0	26.0	10	8.0	10.0	6.6	24.6	11	M8	18	2.3
3.0	7	9.0	26.2	18.2	30.2	14.0	26.0	10	8.0	10.0	6.6	24.6	11	M8	18	2.3
3.0	7	9.0	25.2	17.2	29.2	14.0	26.0	10	8.0	10.0	6.6	24.6	11	M8	18	2.3
3.0	7	9.0	25.2	17.2	29.2	14.0	26.0	10	8.0	10.0	6.6	24.6	11	M8	18	2.3
2.0	10	–	30.0	20.0	29.2	15.2	26.0	10	8.0	10.0	6.6	24.6	11	M8	18	2.3
2.0	10	–	30.0	20.0	32.5	14.5	30.0	10	9.5	10.0	6.6	28.6	13	M8	18	2.3
2.0	10	–	30.0	20.0	32.5	14.5	30.0	10	9.5	10.0	6.6	28.6	13	M8	18	2.3
2.0	10	–	30.0	20.0	32.5	14.5	30.0	10	9.5	10.0	6.6	28.6	13	M8	18	2.3
2.0	10	–	30.0	20.0	32.5	14.5	30.0	10	9.5	10.0	6.6	28.6	13	M8	18	2.3
2.0	10	–	30.0	20.0	32.5	14.5	30.0	10	9.5	10.0	6.6	28.6	13	M8	18	2.3
2.0	10	–	30.0	20.0	32.5	14.5	30.0	10	9.5	10.0	6.6	28.6	13	M8	18	2.3
2.0	10	–	30.0	20.0	32.5	14.5	30.0	10	9.5	10.0	6.6	28.6	13	M8	18	2.3
2.0	10	–	30.0	20.0	34.5	16.5	32.0	12	10.0	12.0	7.1	30.1	14	M8	22	2.1
2.0	10	–	32.0	22.0	34.5	16.5	32.0	12	10.0	12.0	7.1	30.1	14	M8	22	2.1
2.0	12	–	34.0	24.0	34.5	16.5	32.0	12	10.0	12.0	7.1	30.1	14	M8	22	2.1
2.0	12	–	34.0	24.0	34.5	16.5	32.0	12	10.0	12.0	7.1	30.1	14	M8	22	2.1
2.0	12	–	34.0	24.0	34.5	16.5	32.0	12	10.0	12.0	7.1	30.1	14	M8	22	2.1
2.0	12	–	34.0	24.0	37.0	16.5	34.5	12	10.0	12.0	7.1	32.1	16	M8	22	2.1
2.0	12	–	34.0	24.0	37.0	16.5	34.5	12	10.0	12.0	7.1	32.1	16	M8	22	2.1
2.0	12	–	38.0	28.0	37.0	16.5	34.5	12	10.0	12.0	7.1	32.1	16	M8	22	2.1
2.0	12	–	38.0	28.0	37.0	16.5	34.5	12	10.0	12.0	7.1	32.1	16	M8	22	2.1
2.0	12	–	38.0	28.0	37.0	16.5	34.5	12	10.0	12.0	7.1	32.1	16	M8	22	2.1
2.0	12	–	38.0	28.0	37.0	17.5	34.5	12	10.0	14.0	7.1	32.1	16	M10	22	2.1
2.0	12	–	38.0	28.0	37.0	17.5	34.5	12	10.0	14.0	7.1	32.1	16	M10	22	2.1