For being the stage of realizing dreams of our employees! To build a happier, much more united and much more expert staff! To reach a mutual gain of our prospects, suppliers, the society and ourselves for Type 250 single spring pusher mechanical seal for marine industry, The principle of our organization is usually to provide high-quality items, qualified services, and trustworthy communication. Welcome all friends to place trial order for developing a long-term small business relationship.
For being the stage of realizing dreams of our employees! To build a happier, much more united and much more expert staff! To reach a mutual gain of our prospects, suppliers, the society and ourselves for , We care about every steps of our services, from factory selection, product development & design, price negotiation, inspection, shipping to aftermarket. We have implemented a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our products have been strictly inspected before shipment. Your Success, Our Glory: Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.
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









