Mechanical Seal HB12N

Mechanical seal H-brinker

HB12N

Operating range Mechanical seal HB12N

Shaft diameter:
d1 = 10 … 80 mm (0.4″ … 3.125″)
Pressure:
p1 = 25 bar (363 PSI)
Temperature:
t = -50 °C … +220 °C (-58 °F … +430 °F)
Sliding velocity:
vg = 15 m/s (50 ft/s)
Axial movement:
±1.0 mm

Table of Mechanical seal descriptions HB12N

Item	Part no. to DIN 24250	Description
1.1	472/473	Seal face
1.2	412.1	O-Ring
1.3	474	Thrust ring
1.4	478	Righthand spring
1.4	479	Lefthand spring
2	475	Seat (G9)
3	412.2	O-Ring

Features Seal HB12N

For stepped shafts
Single seal
Balanced
Dependent of direction of rotation
Torque transmission via conical spring

Advantages mechanical seal HB12N

High flexibility due to extended selection of materials
Insensitive to low solids contents
Short Installation length possible (G16)
Economical balanced seal
Seat cooling for hot water applications available (G115)
No damage of the shaft by set screws

Materials Seal HB12N

Seal face: Carbon graphite antimony impregnated (A)
Seat G9: Silicon carbide (Q1), Special cast CrMo steel (S)

Recommended applications seal HB12N

Chemical industry
Pulp and paper industry
Water and waste water technology
Low solids content media (H12GN)
Hot water
Chemical standard pumps
Water and sewage pumps

Dimension Table Seal HB12N

d₁	d₂	d₃	d₆	d₇	d₈	d₂₁	d₂₂	d_b	l_1N	l₁	l₂	l₃	l₅	l₆
10	14	24	17	21	3	–	–	18	50	35.5	18	25.5	1.5	4
12	16	26	19	23	3	–	–	21	50	36.5	18	26.5	1.5	4
14	18	31	21	25	3	–	–	23	55	39.5	18	29.5	1.5	4
16	20	34	23	27	3	–	–	26	55	41.0	18	31.0	1.5	4
18	22	36	27	33	3	–	–	28	55	44.0	20	32.5	2.0	5
20	24	38	29	35	3	–	–	30	60	44.0	20	32.5	2.0	5
22	26	40	31	37	3	–	–	31	60	44.0	20	32.5	2.0	5
24	28	42	33	39	3	–	–	35	60	44.0	20	32.5	2.0	5
25	30	44	34	40	3	–	–	37	60	45.0	20	33.5	2.0	5
28	33	47	37	43	3	44.65	50.57	40	65	47.0	20	35.5	2.0	5
30	35	49	39	45	3	47.83	53.75	43	65	47.0	20	35.5	2.0	5
32	38	54	42	48	3	47.83	53.75	45	65	51.0	20	39.5	2.0	5
33	38	54	42	48	3	47.83	53.75	45	65	51.0	20	39.5	2.0	5
35	40	56	44	50	3	51	56.92	49	65	55.0	20	43.5	2.0	5
38	43	59	49	56	4	54.18	60.10	52	75	60.0	23	46.0	2.0	6
40	45	61	51	58	4	60.53	66.45	55	75	62.0	23	48.0	2.0	6
43	48	64	54	61	4	63.7	69.62	58	75	65.0	23	51.0	2.0	6
45	50	66	56	63	4	63.7	69.62	61	75	69.0	23	55.0	2.0	6
48	53	69	59	66	4	66.88	72.80	64	85	69.0	23	55.0	2.0	6
50	55	71	62	70	4	70.05	75.97	66	85	73.0	25	58.0	2.5	6
53	58	78	65	73	4	76.4	82.32	69	85	75.0	25	60.0	2.5	6
55	60	79	67	75	4	76.4	82.32	71	85	75.0	25	60.0	2.5	6
58	63	83	70	78	4	79.58	85.50	74	85	75.0	25	60.0	2.5	6
60	65	85	72	80	4	82.75	88.67	77	95	75.0	25	60.0	2.5	6
63	68	88	75	83	4	85.93	91.85	80	95	75.0	25	60.0	2.5	6
65	70	90	77	85	4	85.93	91.85	83	95	76.0	25	61.0	2.5	6
70	75	98	83	92	4	89.1	95.02	88	95	81.0	28	63.0	2.5	7
75	80	103	88	97	4	98.63	104.55	93	105	86.0	28	68.0	2.5	7
80	85	109	95	105	4	101.8	107.72	98	105	86.0	28	68.0	3.0	7

l₇	l₈	l₉	l₁₈	l₁₉	l₃₉	l₄₀	a	b	e	h₁	h₂	k	*b^)**
8.5	17.5	10.0	–	–	–	–	–	5	–	–	–	–	8.0
8.5	17.5	10.0	–	–	–	–	–	5	–	–	–	–	8.0
8.5	17.5	10.0	–	–	–	–	–	6	–	–	–	–	8.0
8.5	17.5	10.0	–	–	–	–	–	6	–	–	–	–	8.0
9.0	19.5	11.5	15	7	–	–	–	6	–	–	–	–	8.0
9.0	19.5	11.5	15	7	–	–	–	6	–	–	–	–	8.0
9.0	19.5	11.5	15	7	–	–	–	6	–	–	–	–	8.0
9.0	19.5	11.5	15	7	–	–	–	6	–	–	–	–	8.0
9.0	19.5	11.5	15	7	–	–	–	6	–	–	–	–	8.0
9.0	19.5	11.5	15	7	24	8.5	24	6	8	6.6	22.6	9	8.0
9.0	19.5	11.5	15	7	24.5	9.0	24	6	8	6.6	22.6	9	8.0
9.0	19.5	11.5	15	7	24.5	9.0	24	6	8	6.6	22.6	9	7.5
9.0	19.5	11.5	15	7	24.5	9.0	24	6	8	6.6	22.6	9	7.5
9.0	19.5	11.5	15	7	24.5	9.0	24	6	8	6.6	22.6	9	8.0
9.0	22.0	14.0	16	8	26	11	24	6	8	6.6	22.6	9	7.5
9.0	22.0	14.0	16	8	26	11	24	6	8	6.6	22.6	9	8.0
9.0	22.0	14.0	16	8	26	11	24	6	8	6.6	22.6	9	8.0
9.0	22.0	14.0	16	8	26	11	24	6	8	6.6	22.6	9	(8)
9.0	22.0	14.0	16	8	26	11	24	8	8	6.6	22.6	9	8.0
9.0	23.0	15.0	17	9.5	26.5	12.5	24	8	8	6.6	22.6	9	8.0
9.0	23.0	15.0	17	9.5	26.5	12.5	24	8	8	6.6	22.6	9	8.0
9.0	23.0	15.0	17	9.5	28.5	12.5	26	8	8	6.6	24.6	11	8.0
9.0	23.0	15.0	18	10.5	28.5	12.5	26	8	8	6.6	24.6	11	8.0
9.0	23.0	15.0	18	10.5	28.5	12.5	26	8	8	6.6	24.6	11	8.0
9.0	23.0	15.0	18	10.5	28.5	12.5	26	8	8	6.6	24.6	11	8.0
9.0	23.0	15.0	18	10.5	28.5	12.5	26	8	8	6.6	24.6	11	10.0
9.0	26.0	18.0	19	11.5	30.5	14.5	26	8	8	6.6	24.6	11	10.0
9.0	26.0	18.0	19	11.5	30.5	14.5	26	10	8	6.6	24.6	11	10.0
9.0	26.2	18.2	19	11.5	30.2	14	26	10	8	6.6	24.6	11	10.0