The RN represents the traditionally designed robust pusher seal.
This type of mechanical seal is easy to install and covers a wide range of applications;
its reliability has been proven by millions of units in worldwide operation.
It is a convenient solution for the widest range of applications.
Materials
Rotary seal parts
Rotating seal faces: stainless steel AISI431 (F1).
O-ring: VITON® (V).
Spring: Stainless steel AISI316 (G).
Stationary seat
Stationary seal faces: carbon GRAPHITE resin impregnated (B).
O-ring: VITON® (V).
Operating range
Pressure: 12 bar
Sliding velocity: 15 m/s
Temperature: -20°C +200°C
Applications
Especially suitable for KSB pumps
Chemically and mechanically non aggressive liquids
Clean water up to 120°C
Resistance to greases, oils and similar substances
Products
Rotary part | Stationary seat | ||||||||
AREM code |
Ø Inner hole | Ø Outer hole | Working height | Ø Shaft | AREM code |
Ø Inner hole | Ø Outer hole | Working height | |
mm | mm | mm | mm | mm | mm | ||||
0200520 | 20 | 34 | 25 | 20 | 0207121 | 21 | 33,6 | 8 | |
0200525 | 25 | 39 | 27 | 25 | 0207126 | 26 | 36 | 7,5 | |
0200528 | 28 | 42 | 29 | 28 | 0207129 | 29 | 43 | 10 | |
0200530 | 30 | 44 | 30 | 30 | 0207131 | 31 | 45 | 9,9 | |
0200538 | 38 | 54 | 39 | 38 | 0207139 | 39 | 56 | 13 | |
0200540 | 40 | 56 | 39 | 40 | 0207141 | 41 | 58 | 12,8 |