Enactus-H7N Burgmann H7N Replacement

Product Detail

Features
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
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)
Recommended applications
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
Operating range
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
Materials
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
service
Provide special design
According to the requirements and conditions for the custom processing

Dimensions in mm
d1	d2	d3	d6	d7	d8	d24	d21	d22	ds	l1k	l1N	l2	l3	l5	l6	l7	l8	l9	l39	l40	a	b	e	f	h1	h2	k	mx	umax.	t
14*	18	33	21	25	3	20	–	–	38	42.5	–	18	32.5	1.5	4	8.5	17.5	10	–	–	–	5	–	6	–	–	–	M5	9	1.1
16*	20	35	23	27	3	22	–	–	40	42.5	–	18	32.5	1.5	4	8.5	17.5	10	–	–	–	5	–	6	–	–	–	M5	9	1.1
18*	22	37	27	33	3	24	–	–	42	45	55	20	33.5	2	5	9	19.5	11.5	–	–	–	6	–	7	–	–	–	M5	9	1.5
20*	24	39	29	35	3	26	–	–	44	45	60	20	33.5	2	5	9	19.5	11.5	–	–	–	6	–	5.5	–	–	–	M5	9	1.5
22*	26	41	31	37	3	28	–	–	45	45	60	20	33.5	2	5	9	19.5	11.5	–	–	–	6	–	8	–	–	–	M5	9	1.5
24*	28	43	33	39	3	30	–	–	47	47.5	60	20	36	2	5	9	19.5	11.5	–	–	–	6	–	5.5	–	–	–	M6	9	1.5
25*	30	45	34	40	3	32	–	–	49	47.5	60	20	36	2	5	9	19.5	11.5	–	–	–	6	–	5.5	–	–	–	M6	9	1.5
28*	33	48	37	43	3	35	44.65	50.57	51	50	65	20	38.5	2	5	9	19.5	11.5	24	8.5	24	6	8	8	6.6	22.6	9	M6	12	1.5
30*	35	50	39	45	3	37	47.83	53.75	54	50	65	20	38.5	2	5	9	19.5	11.5	24.5	9	24	6	8	8	6.6	22.6	9	M6	12	1.5
32*	38	55	42	48	3	40	47.83	53.75	59	50	65	20	38.5	2	5	9	19.5	11.5	24.5	9	24	6	8	8	6.6	22.6	9	M6	12	1.5
33*	38	55	42	48	3	40	47.83	53.75	59	50	65	20	38.5	2	5	9	19.5	11.5	24.5	9	24	6	8	8	6.6	22.6	9	M6	12	1.5
35*	40	57	44	50	3	42	51	56.92	61	50	65	20	38.5	2	5	9	19.5	11.5	24.5	9	24	6	8	8	6.6	22.6	9	M6	12	1.5
38*	43	60	49	56	4	45	54.18	60.1	65	52.5	75	23	38.5	2	6	9	22	14	26	11	24	6	8	8	6.6	22.6	9	M6	12	1.5
40*	45	62	51	58	4	47	60.53	66.45	66	52.5	75	23	38.5	2	6	9	22	14	26	11	24	6	8	8	6.6	22.6	9	M6	12	1.5
43*	48	65	54	61	4	50	63.7	69.62	69	52.5	75	23	38.5	2	6	9	22	14	26	11	24	6	8	8	6.6	22.6	9	M6	12	1.5
45*	50	67	56	63	4	52	63.7	69.62	71	52.5	75	23	38.5	2	6	9	22	14	26	11	24	6	8	8	6.6	22.6	9	M6	12	1.5
48*	53	70	59	66	4	55	66.88	72.8	75	52.5	85	23	38.5	2	6	9	22	14	26	11	24	6	8	8	6.6	22.6	9	M6	12	1.5
50*	55	72	62	70	4	57	70.05	75.97	76	57.5	85	25	42.5	2.5	6	9	23	15	26.5	12.5	24	6	8	8	6.6	22.6	9	M6	12	1.5
53*	58	79	65	73	4	60	76.4	82.32	83	57.5	85	25	42.5	2.5	6	9	23	15	26.5	12.5	24	8	8	9	6.6	22.6	9	M8	12	1.9
55*	60	81	67	75	4	62	76.4	82.32	85	57.5	85	25	42.5	2.5	6	9	23	15	28.5	12.5	26	8	8	9	6.6	24.6	11	M8	12	1.9
58*	63	84	70	78	4	65	79.58	85.5	88	62.5	85	25	47.5	2.5	6	9	23	15	28.5	12.5	26	8	8	9	6.6	24.6	11	M8	15	1.9
60*	65	86	72	80	4	67	82.75	88.67	95	62.5	95	25	47.5	2.5	6	9	23	15	28.5	12.5	26	8	8	9	6.6	24.6	11	M8	15	1.9
63*	68	89	75	83	4	70	85.93	91.85	93	62.5	95	25	47.5	2.5	6	9	23	15	28.5	12.5	26	8	8	9	6.6	24.6	11	M8	14	1.9
65*	70	91	77	85	4	72	85.93	91.85	95	62.5	95	25	47.5	2.5	6	9	23	15	28.5	12.5	26	8	8	9	6.6	24.6	11	M8	15	1.9
70*	75	99	83	92	4	77	89.1	95.02	105	70	95	28	52	2.5	7	9	26	18	30.5	14.5	26	8	8	10	6.6	24.6	11	M8	15	1.9
75*	80	104	88	97	4	82	98.63	104.55	109	70	105	28	52	2.5	7	9	26	18	30.5	14.5	26	8	8	10	6.6	24.6	11	M8	15	1.9
80*	85	109	95	105	4	87	101.8	107.72	114	70	105	28	51.8	3	7	9	26.2	18.2	30.2	14	26	8	8	10	6.6	24.6	11	M8	15	1.9
85*	90	114	100	110	4	92	108.15	114.07	119	75	105	28	56.8	3	7	9	26.2	18.2	30.2	14	26	10	8	10	6.6	24.6	11	M8	18	2.3
90*	95	119	105	115	4	97	114.5	120.42	124	75	105	28	56.8	3	7	9	26.2	18.2	30.2	14	26	10	8	10	6.6	24.6	11	M8	18	2.3
95*	100	124	110	120	4	102	117.68	123.6	129	75	105	28	57.8	3	7	9	25.2	17.2	29.2	14	26	10	8	10	6.6	24.6	11	M8	18	2.3
100*	105	129	115	125	4	107	124.03	129.95	134	75	105	28	57.8	3	7	9	25.2	17.2	29.2	14	26	10	8	10	6.6	24.6	11	M8	18	2.3
105*	115	148	122.2	134.3	5	118	128.98	134.9	153	73	–	32	53	2	10	–	30	20	29.2	15.2	26	10	8	10	6.6	24.6	11	M8	18	2.3
110*	120	153	128.2	140.3	5	123	135.3	141.2	158	73	–	32	53	2	10	–	30	20	32.5	14.5	30	10	9.5	10	6.6	28.6	13	M8	18	2.3
115*	125	158	136.2	148.3	5	128	140.3	146.2	163	73	–	32	53	2	10	–	30	20	32.5	14.5	30	10	9.5	10	6.6	28.6	13	M8	18	2.3
120*	130	163	138.2	150.3	5	133	145.3	151.2	168	73	–	32	53	2	10	–	30	20	32.5	14.5	30	10	9.5	10	6.6	28.6	13	M8	18	2.3
125*	135	168	142.2	154.3	5	138	150.3	156.2	173	73	–	32	53	2	10	–	30	20	32.5	14.5	30	10	9.5	10	6.6	28.6	13	M8	18	2.3
130*	140	173	146.2	158.3	5	143	155.3	161.2	178	73	–	32	53	2	10	–	30	20	32.5	14.5	30	10	9.5	10	6.6	28.6	13	M8	18	2.3
135*	145	178	152.2	164.3	5	148	160.3	166.2	183	73	–	32	53	2	10	–	30	20	32.5	14.5	30	10	9.5	10	6.6	28.6	13	M8	18	2.3
140*	150	183	156.2	168.3	5	153	165.3	171.2	188	73	–	32	53	2	10	–	30	20	32.5	14.5	30	10	9.5	10	6.6	28.6	13	M8	18	2.3
145*	155	191	161.2	173.3	5	158	172.3	178.2	196	83	–	34	63	2	10	–	30	20	34.5	16.5	32	12	10	12	7.1	30.1	14	M8	22	2.1
150*	160	196	168.2	180.3	5	163	177.3	183.2	201	85	–	36	63	2	10	–	32	22	34.5	16.5	32	12	10	12	7.1	30.1	14	M8	22	2.1
155*	165	201	173.2	185.3	5	168	182.3	188.2	206	87	–	38	63	2	12	–	34	24	34.5	16.5	32	12	10	12	7.1	30.1	14	M8	22	2.1
160*	170	206	178.2	190.3	5	173	187.3	193.2	211	87	–	38	63	2	12	–	34	24	34.5	16.5	32	12	10	12	7.1	30.1	14	M8	22	2.1
165*	175	211	183.2	195.3	5	178	192.3	198.2	216	87	–	38	63	2	12	–	34	24	34.5	16.5	32	12	10	12	7.1	30.1	14	M8	22	2.1
170*	180	216	188.2	200.3	5	183	197.3	203.2	221	87	–	38	63	2	12	–	34	24	37	16.5	34.5	12	10	12	7.1	32.1	16	M8	22	2.1
175*	185	221	193.2	205.3	5	188	202.3	208.2	226	87	–	38	63	2	12	–	34	24	37	16.5	34.5	12	10	12	7.1	32.1	16	M8	22	2.1
180*	190	226	207.5	219.3	5	193	207.3	213.2	231	91	–	42	63	2	12	–	38	28	37	16.5	34.5	12	10	12	7.1	32.1	16	M8	22	2.1
185*	195	231	212.5	224.3	5	198	212.3	218.2	236	91	–	42	63	2	12	–	38	28	37	16.5	34.5	12	10	12	7.1	32.1	16	M8	22	2.1
190*	200	236	217.5	229.3	5	203	217.3	223.2	241	91	–	42	63	2	12	–	38	28	37	16.5	34.5	12	10	12	7.1	32.1	16	M8	22	2.1
195*	205	245	222.5	234.2	5	208	225.3	231.2	250	94	–	43	66	2	12	–	38	28	37	17.5	34.5	12	10	14	7.1	32.1	16	M10	22	2.1
200*	210	250	227.5	239.3	5	213	230.3	236.2	255	94	–	43	66	2	12	–	38	28	37	17.5	34.5	12	10	14	7.1	32.1	16	M10	22	2.1






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