LEK7770 pages

Mechanical seals
Mechanical seals for pumps · Pusher seals

LEK777
Features
API 682 Category 2 and 3, Type A,
Arrangement 1 seal
Single seal
Balanced
Cartridge unit
Stationary multiple springs
Solid seal faces

Advantages
Suitable for higher speeds
Good followability due to no influence from
run-out, squareness or vibration of the shaft
Compact design
Low heat generation and power consumption
due to narrow seal face width
Longer seal life
Pressure-balanced design prevents mating
ring being forced out under reverse pressure
No damage to shaft sleeve as dynamic
O-Ring is not in direct contact with the sleeve

Item
Description
1
Seal ring
2, 5, 7, 10 O-Ring
3
Spring
4
Mating ring
6
Seal sleeve
8
Drive screw
9
Gland plate
11
Flow distributor
12
Retaining ring
13
Throttle bushing
14
Drive collar
15, 16
Set screw
17
Setting device
18
HSH Cap screw

04.11.2013 (c) EagleBurgmann

EagleBurgmann Germany
GmbH & Co. KG
Äußere Sauerlacher Straße 6-10
82515 Wolfratshausen /Germany

Phone +49 (8171) 23-0
Fax +49 (8171) 23-1214
info@eagleburgmann.com
www.eagleburgmann.com

All technical specifications are based on extensive tests and our many years of
experience. The diversity of possible applications means, however, that they can serve only as
guide values. We must be notified of the exact conditions of
application before we can provide any guarantee for a specific case. Subject to change.