Type TH7N

Technical Features

Single seal
Balanced
Independent of direction of rotation
To DIN 24960
Replaces: Burgmann H7N
 

Technical Data

Media: water, sewage, light oils and mildly aggressive fluids.
p1 = 4.0 MPa
t = -50 - 220 C
vg = 20 m/s
 

Materials

Seal face: silicon carbide, tungsten carbide, silicon nitride, carbon graphite (resin impreg.), Al-Oxide
Stationary Seats: silicon carbide, carbon graphite (resin impreg.)
Housing parts: 1Cr18Ni9Ti
Secondary seals: NBR, FPM
 

d1	d2	d3	d4	d5	l1	l2	l3	l4
14	18	33	21.0	25.0	42.5	18	32.5	17.5
16	20	35	23.0	27.0	42.5	18	32.5	17.5
18	22	37	27.0	33.0	45.0	20	33.5	19.5
20	24	39	29.0	35.0	45.0	20	33.5	19.5
22	26	41	31.0	37.0	45.0	20	33.5	19.5
24	28	43	33.0	39.0	47.5	20	36.0	19.5
25	30	45	34.0	40.0	47.5	20	36.0	19.5
28	33	48	37.0	43.0	50.0	20	38.5	19.5
30	35	50	39.0	45.0	50.0	20	38.5	19.5
32	38	55	42.0	48.0	50.0	20	38.5	19.5
33	38	55	42.0	48.0	50.0	20	38.5	19.5
35	40	57	44.0	50.0	50.0	20	38.5	19.5
38	43	60	49.0	56.0	52.5	23	38.5	22.0
40	45	62	51.0	58.0	52.5	23	38.5	22.0
43	48	65	54.0	61.0	52.5	23	38.5	22.0
45	50	67	56.0	63.0	52.5	23	38.5	22.0
48	53	70	59.0	66.0	52.5	23	38.5	22.0
50	55	72	62.0	70.0	57.5	25	42.5	23.0
53	58	79	65.0	73.0	57.5	25	42.5	23.0
55	60	81	67.0	75.0	57.5	25	42.5	23.0
58	63	84	70.0	78.0	62.5	25	47.5	23.0
60	65	86	72.0	80.0	62.5	25	47.5	23.0
63	68	89	75.0	83.0	62.5	25	47.5	23.0
65	70	91	77.0	85.0	62.5	25	47.5	23.0
70	75	99	83.0	92.0	70.0	28	52.0	26.0
75	80	104	88.0	97.0	70.0	28	52.0	26.0
80	85	109	95.0	105.0	70.0	28	51.8	26.2
85	90	114	100.0	110.0	75.0	28	56.8	26.2
90	95	119	105.0	115.0	75.0	28	56.8	26.2
95	100	124	110.0	120.0	75.0	28	57.8	25.2
100	105	129	115.0	125.0	75.0	28	57.8	25.2
110	120	153	128.2	140.3	73.0	32	53.0	30.0
120	130	163	138.2	150.3	73.0	32	53.0	30.0
130	140	173	146.2	158.3	73.0	32	53.0	30.0
140	150	183	156.2	168.3	73.0	32	53.0	30.0
150	160	196	168.2	180.3	85.0	36	63.0	32.0