I am proud to offer our Double Mechanical Seal, engineered for severe service in chemical, oil & gas, and water treatment. As a manufacturer, I provide {ODM} options and can tailor materials, springs, elastomers, and sealing faces to fit your process. Our seal features robust secondary sealing, balanced or unbalanced designs, corrosion-resistant alloys, and quick installation. I work directly with you—whether you’re a {Factory} partner or distributor—to optimize performance, reduce leaks, extend maintenance intervals, and lower total cost of ownership. I can supply testing, QA paperwork, and full traceability. We build to order with short lead times and scalable production. With this Double Mechanical Seal, you get reliable leakage control, smooth operation, and compatibility with high temperatures and aggressive media. If you need customization, I’ll align the {ODM} path to your specs, ensure fast delivery, and consistent quality.
Double mechanical seals set the benchmark for leak-free, long-life sealing in demanding pump and rotating equipment applications. With a balanced dual-face design, advanced materials and cartridge options, they control pressure, resist abrasive and corrosive media, tolerate wide temperature swings and simplify installation and maintenance. The result: reduced downtime, extended mean time between failures, and predictable performance across chemical, petrochemical, water treatment and mining sectors. As your OEM partner, we combine tailored engineering, rapid prototyping, rigorous quality control and global supply-chain support to deliver cost-effective sealing solutions at scale. From drawing review and materials selection to factory testing and spare-part strategies, our collaboration-focused approach ensures on-spec products, competitive lead times and responsive aftermarket service — helping procurement teams reduce risk and total lifecycle cost.
| Part ID | Model | Seal Type | Material Pair | Shaft Dia (mm) | O.D. (mm) | Gap (µm) | Operating Temp (°C) | Max Pressure (bar) | Surface Finish Ra (µm) | Leakage Rate (ppm) | MTBF (h) | Test Result | Production Date | Lot No |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P-1001 | Balanced Cartridge | Graphite/PTFE | 25 | 80 | 5 | 150 | 40 | 0.8 | 0.2 | 60000 | Pass | 2024-11-12 | L-457 | |
| P-1002 | ZS-101-CAR | Cartridge (Unbalanced) | Graphite/NBR | 32 | 90 | 4 | 200 | 60 | 0.7 | 0.5 | 80000 | Pass | 2024-12-03 | L-458 |
| P-1003 | ZS-102-EL | Cartridge (PTFE) | PTFE/PTFE | 40 | 110 | 3 | 180 | 50 | 0.9 | 0.1 | 90000 | Pass | 2025-02-18 | L-459 |
| P-1004 | ZS-103-DEV | Cartridge w/ O-ring | Graphite/NBR | 50 | 120 | 6 | 120 | 30 | 0.6 | 0.3 | 70000 | Pass | 2025-04-25 | L-460 |
| P-1005 | ZS-105-CBT | Balanced Cartridge | SiC/NBR | 62 | 140 | 4 | 160 | 45 | 0.75 | 0.2 | 75000 | Pass | 2025-06-03 | L-461 |
| P-1006 | ZS-106-SSI | Cartridge | Graphite/NBR | 75 | 150 | 5 | 140 | 35 | 0.85 | 0.4 | 68000 | Pass | 2025-07-19 | L-462 |
| P-1007 | ZS-107-C43 | Cartridge | Ceramic/Graphite | 90 | 160 | 3 | 170 | 50 | 0.6 | 0.15 | 100000 | Pass | 2025-09-02 | L-463 |