EAGLEBURGMANN
24
BT-C7
The BT-C7 mechanical seal range has a robust design for
universal application. The seal is bi-directional, unaffected
by the direction of shaft rotation and is positively driven by
set screws. With super-sinus spring.
Features
• Single pusher-type seal
• Unbalanced
• Super-sinus spring
• Independent of direction of rotation
• Short length, according EN 12756 (L
1KU
).
Operating range
(see note on page 28)
Shaft diameter: d
1
= 16 … 100 mm (0.79" … 3.94")
Pressure: p
1
* = 12 (16) bar (174 (232) PSI)
Temperature: t* = -35 °C … +180 °C (-4 °F … +356 °F)
Sliding velocity: v
g
= 20 m/s (66 ft/s)
* Dependent on medium, size and material
材料
(see fold-out page 28)
Seal face: CrNiMo steel (G), Tungsten carbide (U)
Seat: Carbon graphite resin impregnated (B),
Carbon graphite antimony impregnated (A),
Tungsten carbide (U)
Elastomers: NBR (P), EPDM (E), FKM (V), FFKM (K)
Metal parts: CrNiMo steel 1.4401 (G)
Recommended applications
• Chemical industry
• Pharmaceutical industry
• Building services industry
• Centrifugal pumps
• Clean water pumps
Certificates
• KTW
• W270
•ACS
• WRAS
• NSF
• DM 174/04
• FDA
Item
Description
1
Seal face
2
Stationary seat
3, 3a
O-Ring
4
Spring
5
Driver
5a
Set screw
d
3
d
4
min
d
6
H11
d
1
h6
d
7
H8
l
5
l
6
l
4
l
3
5
5a
l
1
KU
±0,5
3
1
2
3a
4
20°
l
7
0
+0,5