Equivalent to:
● Grundfos Sarlin Pumps Mechanical Seals
Materials:
● Seal Rings: Resin Carbon, Antimony Carbon, SIC, SSIC, Tungsten Carbide
● Elastomer: VITON, EPDM, NBR, FFKM, AFLAS
● Metal Part: SS304, SS316, Duplex
Assembly Drawing:
● GRUNDFOS SARLIN SHORT (UPPER SEAL)
● GRUNDFOS SARLIN LONG (LOWER SEAL)
Dimensions (mm):
| SARLIN SHORT (UPPER SEAL) | ||||
| D | D2 | D3 | L1 | L2 |
| 32 | / | 48 | / | / |
| 38 | 54.5 | 55.8 | 12.6 | 32.6 |
| 50 | 68.8 | 69 | 14.4 | 31.5 |
| 65 | / | 86.3 | / | / |
| SARLIN LONG (LOWER SEAL) | ||||
| D | D2 | D3 | L1 | L2 |
| 32 | 47.8 | 48 | 21.1 | 37 |
| 38 | 53.5 | 55.8 | 22.7 | 34.5 |
| 50 | 68.5 | 69 | 25.1 | 54.5 |
| 65 | 81.2 | 86.3 | 26.2 | 69 |
*Related Introduction*
Fluorine rubber (FKM) has a high degree of chemical stability and is the best medium resistance among all elastomers. Type 26 fluororubber is resistant to petroleum-based oils, diester oils, silicone ether oils, and silicic acid oils. It is resistant to inorganic acids, most organic and inorganic solvents, chemicals, etc., but not resistant to low-molecular ketones, ethers, etc. Ester, not resistant to amine, ammonia, hydrofluoric acid, chlorosulfonic acid, phosphoric acid hydraulic oil. The medium performance of type 23 fluorine rubber is similar to that of type 26, and it is more unique. It has better resistance to strong oxidizing inorganic acids such as fuming nitric acid and concentrated sulfuric acid than type 26. It is impregnated in 98% HNO3 at room temperature. 27 Its volume expansion is only 13%~15%.
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