Current position > Contact Us
Quick Answer: For buyers searching for a pump mechanical seals manufacturer, CORASEALS supplies manufacturer-direct pump mechanical seals for centrifugal pumps, chemical pumps, water pumps, and industrial pump repair. We quote single, double, cartridge, component, metal bellows, rubber bellows, and dry running pump seal configurations. Send us your pump model, shaft diameter, seal chamber dimensions, fluid, pressure, temperature, speed, and existing seal drawing for a quotation.
Pump mechanical seal selection is driven by the pump casing, shaft, seal chamber, process fluid, and operating conditions. A seal that works in clean water may fail quickly in hot oil, abrasive slurry, or a chemical that attacks the secondary elastomer. Because operating conditions affect seal life, CORASEALS does not rely on pump model numbers alone. We confirm dimensions and material compatibility before quoting.
We support pump users, pump repair shops, and sealing distributors with the following pump mechanical seal configurations.
| Pump seal configuration | Common pump application | Selection note |
|---|---|---|
| Single mechanical seal | Water pumps, transfer pumps, general process pumps | Uses product fluid or external flush for lubrication and cooling |
| Double mechanical seal | Chemical pumps, hazardous fluid pumps, abrasive slurry pumps | Uses barrier fluid or buffer fluid between two seal faces |
| Cartridge mechanical seal | Process pumps, API 682 style installations | Pre-assembled unit reduces installation measurement errors |
| Component mechanical seal | Pump repair, custom stuffing boxes, non-standard seal chambers | Supplied as rotating and stationary parts for assembly |
| Metal bellows seal | High temperature pump services, thermal fluid pumps | Reduces dynamic elastomer exposure in many designs |
| Rubber bellows seal | Light duty water and circulation pumps | Cost effective for limited temperature and chemical range |
| Dry running seal | Mixers, agitators, pumps with limited liquid lubrication | Suitable for applications with poor product film |
Material selection is part of the seal specification. The face pair must handle the fluid film, solids content, and temperature. The secondary seal must resist the fluid and operating temperature range.
EPDM is not suitable for most mineral oil and petroleum based fluids. FKM offers broad oil and chemical resistance. FFKM is selected for aggressive fluids and high temperature service but costs more. PTFE is commonly selected for chemical service because of wide chemical compatibility.
Do not compare only on unit price. A pump mechanical seals manufacturer or supplier must show that the seal type, material pair, dimensional checks, and installation limits are clearly defined. For a pump repair, the supplier should also clarify whether the replacement is a full cartridge seal, a component seal, or a seal face kit.
Always verify that the supplier can confirm rotation direction, shaft speed, seal chamber bore, and flush plan. These details affect face lubrication, heat removal, and seal life.
Send us the pump model, shaft diameter, seal chamber dimensions, fluid, pressure, temperature, speed, and existing seal drawing. If you have a pump nameplate or current seal photo, include that too. We will confirm the seal type, material combination, and quotation based on your required quantity and delivery destination.
What is the difference between single and double pump mechanical seals?
A single seal has one rotating face and one stationary face. A double seal uses two seal faces with a barrier fluid or buffer fluid between them. Double seals are used for toxic, hazardous, or abrasive fluids.
Can CORASEALS supply replacement pump mechanical seals from a drawing or sample?
Yes. Send us the existing seal drawing, pump nameplate, shaft diameter, and seal chamber dimensions. We can quote a replacement based on dimensions and material requirements.
What materials are available for pump mechanical seal faces and secondary seals?
Common face materials include carbon, silicon carbide, tungsten carbide, and alumina ceramic. Common secondary seal materials include NBR, FKM, EPDM, FFKM, and PTFE.
What information do I need to send for a pump mechanical seal quote?
Send the pump model, shaft diameter, seal chamber bore and depth, pumped fluid, operating pressure, temperature, speed, and current seal drawing. Required quantity and destination are also needed for pricing.
Do you keep pump mechanical seals in stock?
Stock availability depends on the seal type, size, material, and requested quantity. We confirm current stock and lead time after receiving your pump and seal data.
For a specific pump mechanical seal quotation, send the pump model, shaft diameter, seal chamber dimensions, fluid, pressure, temperature, speed, and existing seal drawing to CORASEALS.
