Mechanical seals - PN Mechanical seals for Lowara® pumps
PN / LOWARA GRAPHITE STEATITE + NBR
General features
Rubber bellows mechanical sealsUnbalancedSingle springIndependent of direction of rotationThe PN is a large series mechanical seal with a simple yet effective design that is easy to assemble.
The special spring arrangement allows a short axial installation length.
This advantage is combined with an increased working pressure capability of up to 12 bar (174 PSI).
The spring is free from torque transmission.
MaterialsRotary seal partsRotating seal faces: Carbon graphite resin impregnated (B).Elastomers: NBR rubber (P).Spring: Stainless steel AISI304 (F).Stationary seatStationary seal faces: Steatite (X).Elastomers: NBR rubber (P).
Operating rangePressure: 12 barSliding velocity: 10 m/sTemperature: -20°C +90°C
ApplicationsSpecially suitable for Lowara pumpsChemically and mechanically non aggressive liquidsClean water up to 80°CFoodstuffsOil & GasResistance to greases, oils and similar substances Products
| Rotary part |
Stationary seat |
AREM
code |
Ø Inner hole mm |
Ø Outer hole mm |
Working height mm |
Ø Shaft |
AREM
code |
Ø Inner hole mm |
Ø Outer hole mm |
Working height mm |
| 0204214 |
14 |
32 |
13 |
14 |
0202515 |
16,5 |
29,5 |
8 |
| 0204215 |
15 |
32 |
13 |
15 |
0202515 |
16,5 |
29,5 |
8 |
| 0204216 |
16 |
32 |
13 |
16 |
0202515 |
16,5 |
29,5 |
8 |
| 0204217 |
16 |
33 |
16,3 |
16 |
0202515 |
16,5 |
29,5 |
8 |
| 0204220 |
20 |
44 |
14 |
20 |
0202521 |
21 |
42 |
8 |
| 0204225 |
25 |
50 |
17 |
25 |
0202524 |
25,5 |
42 |
7 |
| 0204230 |
30 |
60 |
22 |
30 |
0202532 |
32 |
52 |
12 |
