Our eternal pursuits are the attitude of “regard the market, regard the custom, regard the science” and the theory of “quality the basic, belief the very first and management the advanced” for Type 250 single spring mechanical seal for marine industry, We’ve been sincerely wanting ahead to cooperate with consumers everywhere in the entire world. We believe we will satisfy you. We also warmly welcome buyers to go to our organization and purchase our products.
Our eternal pursuits are the attitude of “regard the market, regard the custom, regard the science” and the theory of “quality the basic, belief the very first and management the advanced” for , Our expert engineering team will generally be prepared to serve you for consultation and feedback. We are able to also offer you with free of charge samples to meet your requirements. Best efforts will likely be produced to provide you the best service and merchandise. When you are keen on our business and products, please speak to us by sending us emails or call us quickly. In an effort to know our products and company extra, you may come to our factory to view it. We will generally welcome guests from all over the world to our business to create business relations with us. Please feel cost-free to speak to us for small business and we believe we’ll share the best trading experience with all our merchants.
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.
Type 250 mechanical seal for marine industry








