EG 03

The G03 Mechanical Seal manufactured by Maceng Engineering is a high-performance replacement mechanical seal designed for Grundfos CH, CHI, CHE, CRK, SPK, TP, and AP series pumps. Featuring a balanced cartridge-style design, the seal provides reliable torque transmission, accurate installation, and consistent sealing performance for demanding industrial pumping applications.

Engineered using precision-manufactured components and premium-quality materials, the G03 Mechanical Seal ensures leak-free operation, smooth running, and extended service life. Its robust cartridge construction allows easy installation and maintenance while providing excellent resistance to wear, corrosion, pressure variations, and temperature fluctuations. The seal is suitable for handling clean water, process water, light chemicals, oils, and mildly corrosive media in water supply systems, industrial circulation pumps, booster systems, and various fluid handling applications.

Request a Quote

Product Description

The G03 Mechanical Seal manufactured by Maceng Engineering is a high-performance cartridge-type mechanical seal designed for Grundfos CH, CHI, CHE, CR, CRN, CRK, SPK, TP, and similar industrial pump applications. Featuring a balanced cartridge design, the seal provides reliable leakage control, easy installation, and excellent sealing performance under demanding operating conditions.

The internal cartridge construction ensures accurate positioning, simplified maintenance, and safe installation while reducing the risk of installation errors. Manufactured using premium-grade face materials, elastomers, stainless steel components, and precision-engineered parts, the G03 Mechanical Seal delivers excellent resistance to wear, corrosion, pressure variations, and temperature fluctuations for long-term operational reliability.

Technical Specifications:

Model: G03
Seal Type: Cartridge Mechanical Seal
Design: Balanced
Shaft Sizes: 12 mm & 16 mm
Pressure: Up to 10 Bar
Temperature: -30°C to +200°C (depending on elastomer)
Speed: Up to 15 m/s
Axial Movement: ±0.1 mm
Mounting: Internal Cartridge Type
Rotation: Bi-directional

Material Construction:

Rotary Face: Carbon / Silicon Carbide / Tungsten Carbide
Stationary Face: Silicon Carbide / Tungsten Carbide / Ceramic
Elastomer: NBR / EPDM / Viton (FKM)
Spring: SS304 / SS316
Metal Parts: SS304 / SS316

Suitable Pump Models:

Grundfos CH Series
Grundfos CHI Series
Grundfos CHE Series
Grundfos CR / CRN Series
Grundfos CRK Series
Grundfos SPK Series
Grundfos TP Series
Grundfos AP Series

Features & Benefits:

Balanced cartridge design
Easy and safe installation
Leak-free sealing performance
Low maintenance requirement
Excellent corrosion resistance
Suitable for high-speed pumps
Long operational service life
Direct replacement for original Grundfos seal

Applications:

Water Supply Systems
Booster Pumps
Industrial Water Circulation
HVAC Systems
Chemical Processing
Water Treatment Plants
Cooling Water Applications
Light Chemical Services

The G03 Mechanical Seal by Maceng Engineering provides superior sealing reliability, easy maintenance, and long-lasting performance, making it an ideal replacement sealing solution for Grundfos pumps and various industrial fluid handling applications.

Related Products

Your Reliable Partner for Industrial Sealing Solutions

From standard mechanical seals to customized engineered sealing systems, MACENG Engineering delivers precision, reliability, and long-lasting performance that industries can trust.

Download Brochure

FREQUENTLY ASKED QUESTIONS

Have Questions?

Find answers to the most common questions about our mechanical seals, industrial sealing solutions, manufacturing capabilities, and engineering services.

Do you provide custom sealing solutions based on machine requirements?

Yes. We manufacture customized mechanical seals and sealing components based on your equipment specifications, shaft size, pressure, temperature, operating conditions, and application requirements. Simply share your drawings, samples, or technical details, and our engineering team will develop the right solution.

Which industries do your products serve?

Our sealing solutions are trusted across a wide range of industries, including Oil & Gas, Chemical, Petrochemical, Pharmaceutical, Food Processing, Power Generation, Water Treatment, Marine, Paper, Textile, Mining, Steel, Cement, and General Manufacturing.

What products does MACENG Engineering manufacture?

We manufacture a comprehensive range of industrial sealing solutions, including:

Mechanical Seals
Agitator Mechanical Seals
Split Mechanical Seals
Rotary Joints & Rotary Unions
Bearing Isolators
Thermosyphon Systems
Rubber & PTFE Components
Customized Industrial Sealing Solutions

What materials are used in your sealing products?

Our products are manufactured using premium engineering materials such as Silicon Carbide, Tungsten Carbide, Carbon Graphite, Stainless Steel (SS304/SS316), PTFE, Viton, EPDM, Nitrile (NBR), Ceramic, and other high-performance elastomers, depending on the application.

How do you ensure product quality?

Every product undergoes rigorous quality inspections, precision dimensional checks, material verification, pressure testing, and performance evaluation using advanced measuring instruments and strict manufacturing standards before dispatch.

Can you manufacture products according to customer drawings?

Absolutely. We specialize in OEM manufacturing and custom-engineered sealing solutions based on customer drawings, technical specifications, or physical samples to ensure a perfect fit and optimal performance.

Do you support bulk and international orders?

Yes. We handle both domestic and international orders with efficient production planning, secure packaging, and reliable logistics to ensure timely delivery worldwide.

Why choose MACENG Engineering?

MACENG Engineering combines precision engineering, premium-quality materials, advanced manufacturing technology, strict quality control, customized solutions, competitive pricing, and dedicated technical support to deliver reliable sealing solutions that maximize equipment performance and service life.

How can I request a quotation?

You can contact our sales team by sharing your product requirements, technical drawings, specifications, or sample details. We will provide a detailed quotation along with the most suitable sealing solution for your application.

Do you provide technical support after delivery?

Yes. Our experienced engineering team offers technical guidance, installation assistance, product selection support, and after-sales service to help customers achieve the best performance from our sealing solutions.

INDUSTRIES WE SERVE

Precision Sealing Solutions for Industries That Demand Reliability

MACENG Engineering provides precision-engineered mechanical seals and industrial sealing solutions that improve reliability, reduce downtime, and enhance operational performance.