Customization: | Available |
---|---|
Structure: | Single End |
Pressure: | Medium Pressure Mechanical Seals |
Still deciding? Get samples of $ !
Order Sample
|
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
---|
Payment Methods: |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
---|---|
Support payments in USD |
Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
---|
Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Parameter | Value / Description | Unit / Remarks |
---|---|---|
Model | QT-M7N | - |
Type | Balanced, Single Spring Design | - |
Primary Seal Ring Material | Tungsten Carbide (WC) | Grade: Fine Grain, Cobalt-Bonded |
Mating Ring Material | Reaction-Bonded Silicon Carbide (RB-SiC) | - |
Secondary Seal (O-Ring) | Perfluoroelastomer (FFKM) | High-Temperature Resistant |
Spring Material | Hastelloy C-276 | ASTM B574 |
Operating Temperature | -30 to +280 | °C |
Max. Static Pressure | 4.0 | MPa (40 bar) |
Max. Dynamic Pressure | 2.5 | MPa (25 bar) |
Max. Shaft Speed | 30 | m/s |
Shaft Diameter Range | 20 - 120 | mm |
Seal Face Width | 8.0 | mm |
Surface Finish (Ra) | ≤ 0.1 | μm |
Hardness (Primary Ring) | 1500 | HV (Vickers) |
Hardness (Mating Ring) | 2500 | HV (Vickers) |
Compression Set (O-Ring) | ≤ 15 | % (After 24h at 250°C) |
Tensile Strength (Spring) | 690 | MPa |
Thermal Conductivity (SiC) | 120 | W/m·K |
Chemical Resistance | Resistant to Acids (Except Hydrofluoric), Alkalis, Steam, and Hydrocarbons | - |
Friction Coefficient | 0.05 - 0.10 | - |
Leakage Rate | < 0.3 | ml/h |
Service Life | 20,000 - 30,000 | h (Under Standard Conditions) |
Standards Compliance | API 682 (Type B), ISO 21049, EN 12756 | - |