EM G05

The G05 Mechanical Seal manufactured by Maceng Engineering is specially designed for Grundfos CM, CME, CR, CRN, and similar industrial pump applications. It is a compact and high-performance mechanical seal engineered to provide reliable sealing, smooth operation, and extended service life in water handling, pressure boosting, and industrial pumping systems.

Manufactured using precision-engineered components, premium sealing materials, and corrosion-resistant metal parts, the G05 Mechanical Seal offers excellent leakage control, high wear resistance, and dependable performance under varying pressure and temperature conditions. Its compact cartridge-style design ensures easy installation and replacement while minimizing maintenance requirements. The seal is widely used in water treatment systems, circulation pumps, booster pumps, cooling systems, and industrial fluid transfer applications where reliability, efficiency, and long-term performance are essential.

Product Description

The G05 Mechanical Seal manufactured by Maceng Engineering is a compact and reliable sealing solution specifically designed for Grundfos pumps, booster pumps, water pumps, and various industrial circulation systems. Featuring a single spring, unbalanced design with a compact cartridge-style construction, the seal provides dependable sealing performance, easy installation, and long service life under a wide range of operating conditions.

Engineered using premium face materials, high-quality elastomers, and corrosion-resistant metal components, the G05 Mechanical Seal offers excellent leakage control, superior wear resistance, and stable operation in continuous-duty applications. Its robust design ensures reliable performance in water handling, chemical processing, cooling systems, and industrial fluid transfer equipment.

Technical Specifications:

  • Seal Type: G05 Mechanical Seal
  • Design: Single Spring Design, Unbalanced Type
  • Construction: Compact Cartridge Style
  • Shaft Size Range: 12 mm, 16 mm
  • Pressure: Up to 10 Bar
  • Temperature: -30°C to +200°C
  • Speed: Up to 15 m/s

Material Combinations:

  • Face Material Options: Carbon vs Ceramic
  • Face Material Options: Carbon vs Silicon Carbide (SIC)
  • Face Material Options: Silicon Carbide vs Silicon Carbide
  • Face Material Options: Tungsten Carbide
  • Elastomer Options: NBR, EPDM, Viton (FKM), PTFE
  • Metal Components: SS 304, SS 316

Features:

  • Compact and durable construction
  • Excellent leakage control
  • Smooth and reliable operation
  • High wear resistance
  • Suitable for continuous-duty pumps
  • Easy installation and replacement
  • Low maintenance requirement
  • Long operational life
  • Resistant to temperature and pressure variations

Applications:

  • Grundfos CM Pumps
  • Grundfos CR / CRN Pumps
  • Booster Pumps
  • Water Pumps
  • Industrial Circulation Pumps
  • Chemical Fluid Pumps
  • Cooling Systems
  • Industrial Water Handling Systems

The G05 Mechanical Seal by Maceng Engineering delivers reliable sealing performance, durability, and operational efficiency, making it an ideal replacement and OEM sealing solution for Grundfos pumps and other industrial fluid handling applications.

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.

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.

Pharmaceutical Industry

Precision sealing solutions designed for hygienic and contamination-free pharmaceutical processing.

Textile Industry

High-performance mechanical seals engineered for textile machinery and fluid handling systems.

Power Plant Industry

Reliable sealing solutions for pumps, turbines, and rotating equipment in power plants.

Petrochemical Industry

Durable mechanical seals designed for demanding petrochemical processing applications.

Automobile Industry

Precision-engineered sealing solutions for automotive manufacturing and industrial machinery.

Mining Industry

Heavy-duty sealing systems built for harsh mining and mineral processing environments.

FMCG Industry

Reliable sealing solutions for food, beverage, and consumer goods manufacturing equipment.

Chemical Industry

Chemical-resistant mechanical seals designed for corrosive and hazardous applications.

Pulp & Paper Industry

Robust sealing solutions for pumps, agitators, and paper processing equipment.

Marine Industry

High-performance sealing systems engineered for marine pumps and shipboard equipment.

Refineries Industry

Advanced sealing solutions for refinery pumps, compressors, and rotating equipment.

Agriculture Industry

Durable mechanical seals for irrigation systems, agricultural pumps, and machinery.