W250 single-spring pusher pump seal Burgmann HA211 replacement
Features
• Single seal
• Unbalanced
• Independent of direction of rotation
• Positive torque transmission due to bayonet
• drive between seal head and drive collar
• O-Ring groove for ventilation prevents solids build-up and enhances flexibility
Recommended applications
Pulp and paper industry
Water and waste water technology
High-viscosity liquids
Pulp suspensions
Process pumps
Pulp pumps
Operating range
Pressure: p = 12 bar (174 PSI)
Temperature: t = -20 °C … 160 °C (-4 °F … +320 °F)
Sliding velocity: … 20 m/s (66 ft/s)
Viscosity: … 300 Pa·s
Solids content: … 7 %
Combination material
Seal face: Silicon carbide
Seat: Silicon carbide
Secondary seals: EPDM, FKM
Metal parts: CrNiMo steel
W250 data sheet of dimension (mm)
FAQ
| Q1 | Are you a factory or a trading company? |
| A | We are a professional factory with 20 years of experience in designing and manufacturing mechanical seals |
| Q2 | Can I get an sample to check the quality of products? |
| A | Yes. We can send you free samples to check the quality within 3-5days. |
| Q3 | Do you provide free samples? |
| A | We can provide free samples, but you need to pay for the freight to your destination. |
| Q4 | What payment terms do you accept? |
| A | We accept T/T, . |
| Q5 | I can not find our products in your catalog. Can you make customized products for us? |
| A | Yes. Customized products are available according to your drawings or working conditions. |
| Q6 | Could you design it if I don’t have drawings or pictures for custom products? |
| A | Yes, we can make the best suitable design in accordance with your application and working conditions. |
Packing & Delivery
We usually deliver the goods by express like DHL, Fedex, TNT, UPS, but we can also ship the goods by air or by sea if the goods weight and volume is big.
For the packing, we pack each seals with plastic film and then in plain white box or brown box. And then in strong carton.
