Hangzhou Bestseal International Trade Co., Ltd.
| Metal parts | CrNiMo steel (G) |
| MA390 Temperature | -20 °C …160 °C |
| Packaging Details | Carton |
| Seal face (MA391) | Silicon carbide (Q1) |
| Delivery Time | 15 working days |
| Seal face (MA390) | High density carbon graphite |
| Seat (MA390/391) | Silicon carbide (Q1) |
| Secondary seals | FKM (V) |
| MA391 Pressure | 16 bar (232 PSI) |
| MA391 Temperature | -20 °C …160 °C |
| Supply Ability | 1000000/Month |
| Standards and approvals | EN 12756, ISO 3096 |
| MA390 Pressure | 20 bar (290 PSI) |
| Payment Terms | T/T,Western Union,D/P,D/A,L/C |
| Model Number | MA390 / MA391 |
| Certification | ISO9001 |
| Place of Origin | CHINA |
| Brand Name | BESTSEAL |
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Product Specification
| Metal parts | CrNiMo steel (G) | MA390 Temperature | -20 °C …160 °C |
| Packaging Details | Carton | Seal face (MA391) | Silicon carbide (Q1) |
| Delivery Time | 15 working days | Seal face (MA390) | High density carbon graphite |
| Seat (MA390/391) | Silicon carbide (Q1) | Secondary seals | FKM (V) |
| MA391 Pressure | 16 bar (232 PSI) | MA391 Temperature | -20 °C …160 °C |
| Supply Ability | 1000000/Month | Standards and approvals | EN 12756, ISO 3096 |
| MA390 Pressure | 20 bar (290 PSI) | Payment Terms | T/T,Western Union,D/P,D/A,L/C |
| Model Number | MA390 / MA391 | Certification | ISO9001 |
| Place of Origin | CHINA | Brand Name | BESTSEAL |
| High Light | MA390 MA391 cartridge mechanical seal ，EagleBurgmann pump mechanical seal ，standard cartridge seal with warranty | ||
Mechanical seals
Mechanical seals for pumps
Standard cartridge seals
MA390 / MA391
| Type: | Single Cartridge Seal |
| Replacement: | EagleBurgmann MA390 / MA391 |
| Temperature: | -20℃ to +160℃ |
| Pressure: | ≤1.6Mpa |
| Speed: | ≤20m/s |
| Material: | Q1,Q2,Graphite,V,G |
MA390:
Pressure: p = … 20 bar (290 PSI)
Temperature:
t = -20 °C …160 °C (-4 °F ... 320 °F) (oil),
0 °C ... 60 °C (32 °F ... 140 °F) (water)
Sliding velocity:
vg = max. 20 m/s (66 ft/s)
Viscosity: 0.5 Pa·s
Solids content: 0.3 %
MA391:
Pressure: p = … 16 bar (232 PSI)
Temperature:
t = -20 °C …160 °C (-4 °F ... 320 °F) (oil),
0 °C ... 60 °C (32 °F ... 140 °F) (water)
Sliding velocity: vg = max. 20 m/s (66 ft/s)
Viscosity: 3 Pa·s
Solids content: 10 %
Seal face (MA390): High density carbon graphite
Seal face (MA391): Silicon carbide (Q1)
Seat (MA390/391): Silicon carbide (Q1)
Metal parts: CrNiMo steel (G)
Secondary seals: FKM (V)
Company Details
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
3000-5000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
Our seals products factory is located in hangzhou city, zhejiang province. Founded in 2012, the company is a comprehensive sealing enterprise integrating sealing design, r & D, production, agency, storage and sales. The company has thirty field engineers who have been engaged in the s... Our seals products factory is located in hangzhou city, zhejiang province. Founded in 2012, the company is a comprehensive sealing enterprise integrating sealing design, r & D, production, agency, storage and sales. The company has thirty field engineers who have been engaged in the s...
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