H7N

H7N

The H7N Mechanical Seal manufactured by Maceng Engineering is a high-performance balanced mechanical seal specifically designed for demanding industrial applications involving high pressure, elevated temperatures, and aggressive process fluids. Its advanced balanced seal design reduces face loading, minimizes friction and heat generation, and significantly extends seal life under severe operating conditions. The wave spring construction provides uniform face pressure and stable sealing performance, ensuring reliable operation even during pressure fluctuations and continuous-duty service. Manufactured using precision-engineered components, premium face materials, and corrosion-resistant metal parts, the H7N Mechanical Seal offers excellent resistance to wear, thermal distortion, chemical attack, and leakage, making it an ideal sealing solution for chemical processing plants, petrochemical industries, refineries, boiler feed pumps, and other critical industrial applications.

Request a Quote

Product Description

The H7N Mechanical Seal manufactured by Maceng Engineering is a high-performance balanced mechanical seal designed for demanding industrial applications requiring superior leakage control, operational reliability, and long service life. Featuring an advanced wave spring design and O-ring pusher construction, the seal provides stable face loading, smooth operation, and excellent sealing efficiency under varying pressure and temperature conditions.

The H7N seal is specially engineered for chemical processing plants, petrochemical facilities, refineries, boiler feed pumps, oil & gas industries, and other heavy-duty applications where dependable sealing performance is essential. Its balanced design minimizes face loading, reduces heat generation, and extends seal life even under severe operating conditions.

Manufactured using precision-engineered components, premium-grade face materials, and corrosion-resistant metal parts, the H7N Mechanical Seal offers excellent resistance to pressure fluctuations, thermal distortion, wear, and chemical attack while ensuring leak-free operation and reduced maintenance requirements.

Technical Specifications:

Seal Type: H7N Mechanical Seal
Design: Balanced, Wave Spring Design, O-Ring Pusher Type, Internally Mounted
Shaft Size Range: 14 mm to 100 mm
Pressure Capacity: Up to 25 Bar (depending on seal size and application)
Temperature Range: -30°C to +220°C (depending on face combination and elastomer)
Speed: Up to 20 m/s peripheral speed
Face Material Options: Carbon vs Ceramic, Carbon vs Silicon Carbide (SIC), Silicon Carbide vs Silicon Carbide, Tungsten Carbide, Carbon Graphite
Secondary Seal (Elastomer): NBR, EPDM, Viton, FFKM, AFLAS
Metal Components: SS 304, SS 316, Duplex Stainless Steel, Hastelloy (Optional)
Spring Material: Stainless Steel, CrNiMo Steel

Applications:

Chemical Process Pumps
Boiler Feed Pumps
Petrochemical Industries
Refineries
Oil & Gas Industries
Process Pumps
Heavy-Duty Industrial Equipment

Features:

Balanced seal design for high-pressure applications
Wave spring construction for stable face loading
Reduced heat generation and face wear
Excellent leakage control and operational reliability
Suitable for severe operating conditions
High resistance to thermal distortion and chemical attack
Corrosion-resistant metal components
Long service life with reduced maintenance requirements

The H7N Mechanical Seal by Maceng Engineering delivers exceptional sealing performance, durability, and reliability for critical industrial pumping systems operating under demanding pressure, temperature, and chemical service conditions.

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.