Customization: | Available |
---|---|
Structure: | Single End |
Pressure: | High Pressure Mechanical Seals |
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Parameter | QT FB (Standard) | QT FBW (Balanced/Heavy-Duty) |
---|---|---|
Model Type | Single Seal, Unbalanced | Single Seal, Balanced |
Design | Internally Mounted | Externally Mounted |
Spring System | Single Large Spring | Multiple Coil Springs (Even Load Dist.) |
Primary Materials | - Rotating Ring: SiC - Stationary: Carbon - Spring: SS304 - Elastomer: NBR/FKM |
- Rotating Ring: WC/SiC - Stationary: SiC - Springs: SS316 - Elastomer: FKM/PTFE |
Pressure Range | ≤ 0.8 MPa (8 bar) | ≤ 2.5 MPa (25 bar) |
Temp. Range | -20°C to +150°C (NBR) +180°C (FKM) |
-40°C to +220°C (FKM) +400°C (PTFE) |
Shaft Diameter | 20-80 mm | 25-120 mm |
Speed Limit | 15 m/s (≈ 3000 RPM) | 25 m/s (≈ 6000 RPM) |
Leakage Rate | ≤ 10 mL/hr | ≤ 5 mL/hr |
Face Finish | Ra ≤ 0.2 μm | Ra ≤ 0.1 μm |
Applications | Clean water, oils, HVAC | Chemicals, slurries, high-pressure |
Media Compatibility | pH 4-10, non-abrasive | pH 2-12, mildly abrasive |
Standards | ISO 21049, EN 12756 | API 682 (Type 1), ISO 21049 |
Certifications | RoHS, WRAS | ATEX, NACE MR0175 |