Flygt pump mechanical seals covers a full range of aftermarket seals engineered as direct OEM-equivalent replacements for Flygt (now Xylem) submersible pumps, including the 2000, 3000, and 5000 series. Available in multiple configurations—Rubber Bellows (standard Plug-in/Griploc for sewage), Metal Bellows (Hastelloy for harsh chemicals/abrasives), and Cartridge Seals—these Flygt pump mechanical seal units ensure precise dimensional and functional compatibility. They are built to handle demanding environments like raw sewage, industrial wastewater, and abrasive slurries, offering reliable motor protection and extended pump life.
Key Features
• Vertical Column Pump Specialist: Flygt pump mechanical seal are designed for large Flygt vertical column pumps (e.g., PL 7000 series, LL 3000 series) used in flood control and large-scale water transport.
• Robust Split Options: Available in split-seal designs for larger shafts to facilitate maintenance without dismantling the heavy motor and column assembly.
• Shaft Support: Flygt pump mechanical seals are engineered to handle the radial runout and whip often present in long-shaft vertical pump installations.
• Full Range Coverage: Supports a wide array of Flygt models (e.g., 3102, 3127, 3140, 3201) and shaft sizes (20mm, 25mm, 35mm, 45mm, 60mm), covering everything from small dewatering pumps to large sludge pumps with both upper and lower seal kits.
• OEM Interchangeability: Precision-engineered to match original Flygt Plug-in, Griploc, and cartridge seal dimensions (D1, D3, L1), ensuring a drop-in fit without pump modification or performance loss.
Technical Specs | Materials | ||
Mediums | Sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, and nitric acid with various degrees. etc. | Stationary Ring | Ceramic/Sic/Ssic |
Pressure | ≤0.5MPa | Rotary Ring | Teflon/Sic/Ssic |
Temperature | -20℃ to 120℃ | Secondary Seal | Teflon |
Speed | ≤10m/s | Spring and Metal Part | Stainless Steel |
Product Specifications
| D1 (mm) | Size | D1 (inch) | Seat | D3 | D7 | D6 | L4 | L1 |
| 16 | 0160 | 0.750 | 0191 | 54 | 48.00 | 36.51 | 17.60 | 31.00 |
| 18 | 0180 | 0.750 | 0191 | 54 | 48.00 | 36.51 | 17.60 | 31.00 |
| 20 | 0200 | 0.875 | 0222 | 57 | 51.00 | 39.69 | 17.60 | 31.00 |
| 22 | 0220 | 0.875 | 0222 | 57 | 51.00 | 39.69 | 17.60 | 31.00 |
| 24 | 0240 | 1.000 | 0254 | 61 | 54.00 | 42.86 | 17.60 | 33.00 |
| 25 | 0250 | 1.000 | 0254 | 61 | 54.00 | 42.86 | 17.60 | 33.00 |
| 28 | 0280 | 1.125 | 0317 | 67 | 65.00 | 50.80 | 27.00 | 36.00 |
| 30 | 0300 | 1.250 | 0349 | 70 | 68.00 | 53.98 | 27.00 | 37.00 |
| 32 | 0320 | 1.250 | 0350 | 70 | 68.00 | 53.98 | 27.00 | 37.00 |
| 33 | 0330 | 1.375 | 0381 | 73 | 71.00 | 57.15 | 27.00 | 38.00 |
| 35 | 0350 | 1.375 | 0381 | 73 | 71.00 | 57.15 | 27.00 | 38.00 |
| 38 | 0380 | 1.500 | 0412 | 76 | 78.00 | 63.50 | 27.00 | 38.00 |
| 40 | 0400 | 1.625 | 0444 | 80 | 81.00 | 66.68 | 27.00 | 40.00 |
| 43 | 0430 | 1.750 | 0476 | 83 | 84.00 | 69.85 | 27.00 | 40.00 |
| 45 | 0450 | 1.750 | 0476 | 83 | 84.00 | 69.85 | 27.00 | 40.00 |
| 48 | 0476 | 1.875 | 0508 | 86 | 87.00 | 73.03 | 27.00 | 43.00 |
| 50 | 0500 | 2.000 | 0539 | 89 | 97.00 | 79.38 | 33.40 | 43.00 |
| 53 | 0530 | 2.125 | 0571 | 103 | 100.00 | 82.55 | 33.40 | 53.00 |
| 55 | 0550 | 2.250 | 0603 | 107 | 103.00 | 85.73 | 33.40 | 53.00 |
| 58 | 0580 | 2.375 | 0635 | 110 | 106.00 | 88.90 | 33.40 | 53.00 |
| 60 | 0600 | 2.375 | 0635 | 110 | 106.00 | 88.90 | 33.40 | 53.00 |
Workshop
This workshop is equipped with professional processing equipment and integrated with standardized material warehousing management, enabling a one-stop production process from precision machining to finished product delivery. It ensures flygt pump mechanical sealmachining accuracy and production efficiency, meeting various high-specification manufacturing requirements.
Product Research, Development and Testing
Our Product R&D and Testing focuses on optimizing seal performance through advanced simulation and material analysis. All flygt pump mechanical seals undergo rigorous trials, including thermal cycling and pressure tests, to ensure durability, minimal leakage, and long service life in demanding industrial environments.
Industry Solutions
Case Study
Flood Control Station: A municipal flood station needed to service 800mm vertical propeller pumps. OEM lead times were too long. We supplied compatible flygt pump mechanical seals. They held up perfectly during the storm season, handling the debris-laden floodwater.
Testimonials
These flygt mechanical seals fit our large PL 7000 pumps perfectly. Reliability is critical during storm season, and these haven't let us down.
—Station Manager, Flood Control District
FAQs
Q: Do you have seals for the propeller side?
A: Yes, we supply both the inner (motor side) and outer (propeller/process side) seals. The outer seal is typically Tungsten Carbide to resist sand and grit.
Q: Are these seals compatible with the Flygt Griploc system?
A: Yes. Specific replacement models are designed to match the Griploc locking mechanism and cartridge dimensions for Flygt pumps like the 2071, 2102, and 3127 series. They provide the same tool-free or simple-tool installation as the OEM Griploc seals.
Q: What information is needed to order the correct replacement seal?
A: Provide the Flygt pump model (e.g., 3102, 3201), shaft diameter (e.g., 35mm, 45mm), and the seal type (Upper/Lower, Plug-in, Griploc, or Metal Bellows). If unsure, the OEM part number from the old seal or pump manual is the best reference
Our company is specialized in the production of sealing materials, mechanical seals , cartridge seals.
E-mail: gechacha@aliyun.com
Mobile: +86-18758835650
WhatsApp: +86-18758835650
Add: No8-2, Jinsha road Yuelin Street, Fenghua District, Ningbo, Zhejiang
