Multi-Spring Grundfos Sarlin Pump Mechanical Seals Replacement
This mechanical seal is engineered for Grundfos Sarlin pumps, delivering reliable performance in a variety of demanding industrial environments. It is particularly well-suited for:
• Chemical processing systems and transfer pumps
• Industrial water treatment and circulation systems
• Pharmaceutical manufacturing equipment
• Food and beverage processing applications
• General industrial pumping systems
Product Detail
The seal features advanced face materials including silicon carbide and tungsten carbide options, providing exceptional wear resistance and longevity. The unitized cartridge construction simplifies installation and eliminates the need for special tools or complicated setting procedures, significantly reducing maintenance time and potential installation errors.
Validated Equipment Compatibility:
• Grundfos Sarlin series pumps
• Various chemical and industrial fluid handling pumps
• Systems requiring 20mm shaft diameter seals
Equivalent Products
• AES seal®: M010SA
• ROPLAN®: 201
*Our Our seals deliver OEM-equivalent performance at a competitive price, with ISO9001-certified manufacturing guaranteeing consistent quality and durability.
Material and Operating Range
Material:
• Rotary ring: Carbon / Silicon Carbide (SiC) / Tungsten Carbide (TC)
• Stationary ring: SiC /TC
• Secondary seal: VITON /NBR / EPDM
• Spring and Metal Parts: SUS304
* Customized material specifications and non-standard dimensions can be provided based on specific application requirements.
Operating Range:
• Temperature: -20 ℃~180℃
• Pressure: ≤1.2MPa
• Speed: ≤10m/s
Suitable Media:
• Water, hot water, and steam
• Oils and lubricants
• Chemical content
• Industrial coolants and hydraulic fluids
Installation Dimensions

Metric size d |
D2 |
D3 |
L1 |
L2 |
25.0 |
39.0 |
38.0 |
29.9 |
9.6 |
32.0 |
46.0 |
48.0 |
32.4 |
11.0 |
38.0 |
54.0 |
55.0 |
33.9 |
11.2 |
50.0 |
66.0 |
69.3 |
34.4 |
14.0 |
65.0 |
85.0 |
85.4 |
38.9 |
15.3 |
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