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LB500

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Item	Description
1.1	Seal face
1.2	Drive collar
1.3	Thrust ring
1.4	O-Ring
1.5	Spring
1.6	Set screw
2	Seat
3	O-Ring

LB500

PDF data sheet

Features

Single seal
Balanced
Independent of direction of rotation
Rotating multiple springs

Advantages

API 682 (Type A) compliant
Fits to EN and ANSI seal chambers
Optimized, narrow width seal face design

Operating range

Pressure: p = vacuum … 35 bar (508 PSI)
Temperature:
t = -20 °C … +200 °C (-4 °F … +392 °F)
Sliding velocity: vg = … 20 m/s (66 ft/s)
Viscosity: … 500 mPa·s
Solids content: … 0.5 %

Materials

Seal face: Carbon graphite resin impregnated (B), High density carbon graphite
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V)
Metal parts: CrNiMo steel (G)

Standards and approvals

API 682 / ISO 21049
ANSI

Recommended applications

Acids
Alkaline solutions
Salt solutions
Low viscosity oils
Monomers
Hydrocarbons
Water
Seawater
Chemical industry
Process industry
Process pumps

Product variants

Configuration example

Configuration example acc. to API 682 (1CW-FX)

Similar products

AX25

External configuration
Balanced
Independent of direction of rotation
Independent of pressure direction

AX40K

Stationary springs
Balanced
Independent of direction of rotation
Independent of pressure direction

BT-C5E

Single seal
For plain shafts
Unbalanced
Multiple springs, rotating
Independent of direction of rotation

Back to overview

d	d₁	d₂	d₃	d₄	d₅	d₆	l	l₁	l₂	l₃	l₄	l₅	b
25	39	41	29	35	20	3	44	34	10	5.5	2.0	24	3.5
28	42	44	33	39	24	3	44	34	10	5.5	2.0	24	3.5
30	44	46	34	40	25	3	44	34	10	5.5	2.0	24	3.5
32	46	48	37	43	27	3	44	34	10	5.5	2.0	24	3.5
33	47	49	37	43	28	3	44	34	10	5.5	2.0	24	3.5
35	49	51	39	45	30	3	44	34	10	5.5	2.0	24	3.5
38	55	58	42	48	33	3	45	35	10	5	2.0	25	3.5
40	57	60	44	50	35	3	45	35	10	5	2.0	25	3.5
42	59	62	49	56	37	4	48	37	11	5	2.0	25	4.0
43	60	63	49	56	38	4	48	37	11	5	2.0	25	4.0
45	62	65	51	58	40	4	48	37	11	5	2.0	25	4.5
48	65	68	54	61	43	4	48	37	11	5	2.0	25	4.5
50	67	70	56	63	45	4	48	37	11	6	2.0	25	4.5
53	70	73	59	66	48	4	48	37	11	6	2.0	25	4.5
55	72	75	62	70	50	4	50	37	13	6	2.5	25	4.5
60	77	85	67	75	55	4	50	37	13	6	2.5	25	5.0
63	80	88	70	78	58	4	50	37	13	6	2.5	25	5.0
65	82	90	72	80	60	4	50	37	13	6	2.5	25	5.0
70	87	95	77	85	65	4	50	37	13	6	2.5	25	5.0
75	92	104	83	92	70	4	53	38	15	7	2.5	25	5.0
80	97	109	88	97	75	4	53	38	15	7	2.5	25	5.0
85	102	114	95	105	80	4	53	37.5	15.5	7	3.0	25	6.0
90	107	119	100	110	85	4	53	37.5	15.5	7	3.0	25	6.0
95	112	124	105	115	90	4	53	37.5	15.5	7	3.0	25	6.0
100	117	129	110	120	95	4	53	37.5	15.5	7	3.0	25	6.0
105	122	134	115	125	100	4	53	37.5	15.5	7	3.0	25	6.0
110	127	139	120	130	105	4	53	37.5	15.5	7	3.0	25	6.0