CRI | CNP | SHAKTI | SHIMGE GLF CARTRIDGE SEAL

The Grundfos GLF Series Mechanical Seal manufactured by Maceng Engineering is specially designed as a reliable replacement seal solution for Grundfos CR, CRN, and vertical multistage centrifugal pumps. Engineered with precision components and high-quality materials, the seal ensures excellent compatibility, dependable sealing performance, and extended operational life in demanding pumping applications.

The cartridge-type balanced design with O-ring pusher construction provides accurate installation, reduced leakage, and stable performance under high-pressure and continuous-duty conditions. Manufactured using premium-grade face materials, elastomers, and corrosion-resistant metal components, the Grundfos GLF Series Mechanical Seal offers excellent resistance to wear, temperature variations, and chemical exposure, making it ideal for water treatment plants, industrial water systems, and process pumping applications.

Product Description

The Grundfos GLF Series Mechanical Seal manufactured by Maceng Engineering is a high-performance cartridge type mechanical seal designed for vertical multistage pumps and demanding industrial applications. Featuring a balanced seal design with O-ring pusher construction, the seal provides reliable sealing performance, reduced leakage, and extended operational life under high-pressure and continuous-duty conditions.

The cartridge-type construction enables easy installation, accurate positioning, and reduced maintenance time. Manufactured using premium-grade face materials, elastomers, and corrosion-resistant metal components, the Grundfos GLF Series Mechanical Seal delivers excellent resistance to wear, corrosion, pressure fluctuations, and temperature variations, ensuring dependable performance in critical pumping systems.

Technical Specifications:

  • Seal Type: Grundfos GLF Series Mechanical Seal
  • Design: Cartridge Type Mechanical Seal
  • Configuration: Balanced Seal Design, O-Ring Pusher Type
  • Mounting: Internally Mounted
  • Shaft Size Range: 12 mm / 14 mm / 16 mm / 18 mm / 22 mm / 32 mm
  • Pressure Capacity: Up to 25 Bar
  • Temperature Range: -30°C to +200°C
  • Speed: Up to 25 m/s

Material Combinations:

  • Rotary Face: Silicon Carbide (SIC), Tungsten Carbide (TC), Carbon
  • Stationary Face: Silicon Carbide (SIC), Tungsten Carbide (TC), Carbon Graphite
  • Elastomer Options: NBR, EPDM, Viton (FKM)
  • Metal Components: SS 304, SS 316

Features:

  • Cartridge type design for easy installation
  • Balanced seal construction for high-pressure applications
  • Reliable leakage control and sealing efficiency
  • Excellent resistance to wear and corrosion
  • Suitable for continuous-duty pumping systems
  • Reduced maintenance and downtime
  • Long operational service life
  • High-performance sealing under demanding conditions

Applications:

  • Grundfos CR Pumps
  • Grundfos CRN Pumps
  • Vertical Multistage Pumps
  • Water Treatment Plants
  • Industrial Water Systems
  • Process Pumping Applications

The Grundfos GLF Series Mechanical Seal by Maceng Engineering provides superior sealing reliability, durability, and operational efficiency, making it an ideal solution for vertical multistage pumps and high-pressure industrial 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.

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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.