Our company since its inception, usually regards product high-quality as company life, constantly boost manufacturing technology, boost product excellent and continuously strengthen company total excellent administration, in strict accordance using the national standard ISO 9001:2000 for mechanical pump seal, water pump shaft seal, pump mechanical seal, We are also constantly looking to establish relationship with new suppliers to provide innovative and smart solution to our valued customers.
Our company since its inception, usually regards product high-quality as company life, constantly boost manufacturing technology, boost product excellent and continuously strengthen company total excellent administration, in strict accordance using the national standard ISO 9001:2000 for , High output volume, top quality, timely delivery and your satisfaction are guaranteed. We welcome all inquiries and comments. If you are interested in any of our items or have an OEM order to fulfill, make sure you feel free to contact us now. Working with us will save you money and time.
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 Application
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 in mm

FAQ
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Q1 |
Are you a factory or a trading company? |
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A |
We are a professional factory with 20 years of experience in designing and manufacturing mechanical seals |
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Q2 |
Can I get an sample to check the quality of products? |
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A |
Yes. We can send you free samples to check the quality within 3-5days. |
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Q3 |
Do you provide free samples? |
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A |
We can provide free samples, but you need to pay for the freight to your destination. |
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Q4 |
What payment terms do you accept? |
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A |
We accept T/T, . |
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Q5 |
I can not find our products in your catalog. Can you make customized products for us? |
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A |
Yes. Customized products are available according to your drawings or working conditions. |
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Q6 |
Could you design it if I don’t have drawings or pictures for custom products? |
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A |
Yes, we can make the best suitable design in accordance with your application and working conditions. |
Delivery and packing
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.
mechanical pump seal for marine industry









