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Mechanical seal Product List and Ranking from 22 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 10, 2025～Oct 07, 2025
This ranking is based on the number of page views on our site.

Mechanical seal Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 10, 2025～Oct 07, 2025
This ranking is based on the number of page views on our site.

  1. 日本ジョン・クレーン Tokyo//Industrial Machinery
  2. 新明和工業 Kanagawa//Automobiles and Transportation Equipment
  3. 三和工機 メカニカルシール Nara//Industrial Machinery
  4. 4 蒲田工業 Tokyo//Trading company/Wholesale
  5. 5 椿本マシナリー Osaka//Trading company/Wholesale
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Mechanical seal Product ranking

Last Updated： Aggregation Period:Sep 10, 2025～Oct 07, 2025
This ranking is based on the number of page views on our site.

  1. [Information] Mechanical Seal Basics 日本ジョン・クレーン
  2. Shinmeiwa Industries Co., Ltd. Overhaul Case Studies 新明和工業
  3. Unicar Industrial Co., Ltd. Mechanical Seal Catalog 椿本マシナリー
  4. 4 Mechanical Seal Product Catalog 酉島製作所
  5. 4 Double mechanical seal, back-to-back, FU-GU series 三和工機 メカニカルシール

Mechanical seal Product List

16～30 item / All 67 items

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Case Study Collection "Leave Mechanical Repairs to Us" Mechanical Seal

Case Study Collection "Leave Mechanical Repairs to Us" Mechanical Seal

Repairing mechanical seals! Things like this and that!

■ I'm having trouble because the repair costs for overseas mechanical seals are high. ■ It would be helpful if repairs could be done regardless of the manufacturer. ■ There is a problem that has occurred, and it would be appreciated if it could be repaired urgently. ■ Repair of mechanical seals for rotating equipment that is not pumps or agitators. ■ The metal material is special and unknown; can it be repaired? ■ It would be helpful if you could repair mechanical seals without drawings. ■ It would be appreciated if you could service the entire pump. ■ Can it be repaired even if the sliding material is damaged?

  • Sealing
  • Calibration and repair

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Comprehensive Catalog! "Mechanical Seal"

Comprehensive Catalog! "Mechanical Seal"

We have a wide range of products, including cartridge-type mechanical seals and mechanical seals with bearings!

■Inside Mechanical Seal ■Outside Mechanical Seal ■Eco Seal ■Stationary Mechanical Seal ■Dry Contact Mechanical Seal ■Double Mechanical Seal ■Custom Order ■Bearing-equipped Mechanical Seal ■Special Purpose Mechanical Seal ■Metal Bellows Mechanical Seal ■Mechanical Seal Repair

  • Sealing
  • others

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[Information] 3rd Basic Course on Mechanical Seals

[Information] 3rd Basic Course on Mechanical Seals

"What is secondary sealing material? What types of materials are there?" Let's explain that question and introduce the required characteristics.

This document provides information about the 3rd Basic Course on Mechanical Seals, addressing questions such as "What are secondary sealing materials? What types are available?" The sealing part of a mechanical seal consists of a sliding surface for the primary seal and packing/gasket for the secondary seal. Each secondary seal includes a rotating ring (packing) and a stationary ring (gasket). *Moving part = packing / stationary part = gasket. Depending on the environment in which they are used, various cross-sectional shapes and materials will be selected. [Contents] ■ What are secondary sealing materials? ■ Cross-sectional shapes and materials ■ Required characteristics ■ Various performances *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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[Information] 6th Basic Course on Mechanical Seals

[Information] 6th Basic Course on Mechanical Seals

"What are rotating and stationary forms? What do they mean?" An explanation of such questions! Introducing feature comparisons and more.

This document provides information about the 6th Basic Course on Mechanical Seals, and we will explain the question, "What are rotating and stationary types?" The difference between rotating mechanical seals and stationary mechanical seals lies in the placement of the springs. In rotating mechanical seals, the spring is placed on the rotating ring. In stationary mechanical seals, the spring is placed on the stationary ring. [Contents] ■ What are rotating and stationary types ■ Feature Comparison 1 ■ Feature Comparison 2 ■ Feature Comparison 3 *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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[Information] 7th Basic Course on Mechanical Seals

[Information] 7th Basic Course on Mechanical Seals

"What are inside shapes and outside shapes? What do they mean?" Let's explain that question! We will introduce the direction of leakage for each and the centrifugal force, among other things.

This document provides information about the 7th Basic Course on Mechanical Seals, addressing the question, "What are inside type and outside type?" Mechanical seals are classified into "inside type mechanical seals," which have a rotating ring placed inside the container, and "outside type mechanical seals," which have a rotating ring placed outside the container. By utilizing the characteristics of each type, it becomes possible to adapt to various environments. [Contents] - What are inside type and outside type? - Leakage direction and centrifugal force of inside type - Leakage direction and centrifugal force of outside type *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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[Information] 8th Basic Course on Mechanical Seals

[Information] 8th Basic Course on Mechanical Seals

"What are single and double types? What do they mean?" Let's explain that question! Introducing differential pressure management and more.

This document provides information about the 8th Mechanical Seal Beginner Course and will explain questions such as, "What are single and double types?" When using one mechanical seal, it is referred to as "single type." When using two mechanical seals, it is referred to as "double type." Generally, single type is used, but for fluids that are difficult to seal with a single type, a double type is employed. For example, slurry liquids and wastewater have good sealing properties with double type seals. [Contents] ■ What are single and double types ■ What is external fluid ■ Differential pressure management ■ Tandem type *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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[Information] 9th Basic Course on Mechanical Seals

[Information] 9th Basic Course on Mechanical Seals

"What are multi-spring types and single-spring types? What do they mean?" Let's explain that question!

This document provides information about the 9th Basic Course on Mechanical Seals, and it will explain questions such as "What are multi-spring types and single-spring types?" When multiple small springs are used, it is referred to as a "multi-spring type." *They are arranged evenly around the circumference. When a single large spring is used, it is referred to as a "single-spring type." In special applications, a leaf spring (wave spring) may be used. [Contents] ■ What are multi-spring types and single-spring types? ■ Feature Comparison 1 ■ Feature Comparison 2 ■ Feature Comparison 3 *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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[Information] 10th Basic Course on Mechanical Seals

[Information] 10th Basic Course on Mechanical Seals

"What is the method of torque transmission? What is it?" Let's explain that question! We will introduce the features of pin drives and more.

This document provides information about the 10th Mechanical Seal Beginner Course and will explain the question, "What is torque transmission?" Torque transmission refers to the transfer of the shaft's rotation to the mechanical seal. Generally, the methods of torque transmission in mechanical seals include "transmission by pins," "transmission by clutches," and "transmission by the metal bellows itself." Additionally, there are other methods such as transmission through the frictional force of the packing and transmission by the spring itself. [Contents] ■ What is torque transmission? ■ Features of pin drive ■ Features of clutch drive ■ Features of metal bellows *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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[Information] 12th Basic Course on Mechanical Seals

[Information] 12th Basic Course on Mechanical Seals

"What is a cartridge type? What is it?" Let's explain that question! We will introduce special uses and more.

This document provides information about the 12th Basic Course on Mechanical Seals, and we will explain the question, "What is a cartridge type?" In general, to install a mechanical seal on the shaft sealing part of rotating equipment, it is necessary to attach a sleeve and a mechanical seal cover in addition to the mechanical seal itself. A cartridge type mechanical seal refers to a structure that integrates these components into a single unit, making it easy for anyone to install. [Contents] ■ What is a cartridge type? ■ Special Application 1: For high-viscosity fluids ■ Special Application 2: For high-concentration slurry fluids ■ Special Application 3: For compact spaces *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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[Information] 13th Basic Course on Mechanical Seals

[Information] 13th Basic Course on Mechanical Seals

"What is mounting precision? What measurement methods are there?" Let's explain such questions! We will introduce issues like shaft runout (circular runout).

This document provides information about the 13th Basic Course on Mechanical Seals and will explain questions such as "What is installation accuracy? What measurement methods are there?" When installing a mechanical seal on equipment, its accuracy affects the sealing performance. Generally, the measurement items include "shaft runout (circular runout)," "perpendicularity," "concentricity," and "axial movement (end play)." [Contents] ■ What is installation accuracy ■ Shaft runout (circular runout) ■ Perpendicularity ■ Concentricity ■ Axial movement (end play) *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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[Information] 15th Mechanical Seal Beginner Course

[Information] 15th Mechanical Seal Beginner Course

"What is a dry mechanical seal? What is it?" Let's explain that question! We will also introduce some case studies.

This document contains information about the 15th Basic Course on Mechanical Seals, and we will explain the question, "What is a dry mechanical seal?" The sealing target for a dry mechanical seal is gas, not liquid. When the sealing target is liquid, there is a lubricating film of liquid between the sliding surfaces. When the sealing target is gas, there is no lubricating film of liquid between the sliding surfaces. Since the space between the sliding surfaces is dry, it is called a dry mechanical seal. [Contents] ■ What is a dry mechanical seal? ■ Case studies ■ What is dry running? ■ Combination of sliding materials *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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Repair of mechanical seals

Repair of mechanical seals

It can be maintained with a set of machines equipped with mechanical seals.

One of the sealing devices, the mechanical seal, is a key component incorporated into rotating machinery in processes where minimizing leakage is essential. At KBK Engineering, we can handle units equipped with mechanical seals, as well as maintain entire machines that have these units installed. Together with the mechanical seal manufacturer Tanken Seal Seiko, we perform repairs on the entire machinery, including the handling of internal mechanical seals, and we can carry out assembly and testing tailored to each seal unit.

  • Contract manufacturing

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Introduction to the "Mechanical Seal" Business

Introduction to the "Mechanical Seal" Business

Feel free to consult us about anything related to mechanical seals!

Pontec Co., Ltd. sells mechanical seals and repairs used mechanical seals. We can repair all mechanical seals, regardless of whether they are domestic or foreign (lap up to ID300). With a motto of reasonable pricing and short delivery times, we carry out repairs at a factory with high technical capabilities. 【Features】 ■ Repairs available for both domestic and foreign products ■ Reasonable pricing with short delivery times ■ We also accept pump overhauls *Please feel free to contact us for more details.

  • Other Auto Parts
  • Other pumps
  • Other machine elements

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Unicar Industrial Co., Ltd. Mechanical Seal Catalog

Unicar Industrial Co., Ltd. Mechanical Seal Catalog

You can select a mechanical seal suitable for your equipment from a variety of options such as MFR and BFR!

This catalog introduces Unicar Industrial Co., Ltd.'s "Mechanical Seals." It includes "MFR (Multi-Spring Unbalanced Type)," "BFR (Multi-Spring Balanced Type)," and "USCR (Single Coil Spring Unbalanced Type)." Since it also includes information such as "Structure of Mechanical Seals," it is a useful reference book. We encourage you to read it. [Contents (Partial)] ■ Structure of Mechanical Seals ■ Functional Classification of Mechanical Seals ■ MFR (Multi-Spring Unbalanced Type) ■ BFR (Multi-Spring Balanced Type) ■ USCR (Single Coil Spring Unbalanced Type) *For more details, please refer to the PDF document or feel free to contact us.

  • Sealing

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Unicar Industrial Co., Ltd. Company Profile

Unicar Industrial Co., Ltd. Company Profile

Reliable technology × abundant experience! We also handle carbon seals and packing associated with mechanical seals.

Unicar Industrial Co., Ltd. was established as a specialized manufacturer of mechanical seals and chemical pumps. Based on years of achievements and accumulated technology, we have developed products that accurately capture the needs in response to the advancement of various industries. We have established a system to meet the diversification of various markets, including not only mass production but also small-batch production of a wide variety of products and the production of special items. Under thorough quality control, we strive for cost reduction and short delivery times, and all employees work day and night to supply highly reliable products. 【Business Activities】 ■ Design, manufacturing, and sales of mechanical seals ■ Repair and improvement of various mechanical seals ■ Sales of various gaskets and O-rings, and consulting related to shaft sealing *For more details, please refer to the PDF document or feel free to contact us.

  • Sealing

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