Elastomer Bellow Mechanical Seal

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Elastomer Bellow Mechanical Seal Specification

Application
Centrifugal Pumps, Water Pumps, Submersible Pumps, Compressors, Chillers, Light Chemical processes

Hardness
Shore A 705 (Elastomer)

Theory
Mechanical Seal with Secondary Elastomeric Seal

Usage
Industrial

Style
Mechanical Seal

Material
Carbon, Ceramic, Stainless Steel, Nitrile (NBR), EPDM, or Viton Rubber

Temperature
20-120 Celsius (oC)

Product Type
Elastomer Bellow Mechanical Seal

Pressure
Up to 10 bar (kg/cm2)

Speed
Up to 3000 rpm

Function
Prevent leakage between rotating and stationary parts

Color
Sliver

Size
Available from 12 mm to 100 mm shaft size

Structure
Modular design with bellows and single spring

Life Expectancy
Long Service Life with Minimal Maintenance

Seal Type
Pusher Type Bellow Mechanical Seal

Medium
Clear Water, Slurry, Chemicals, Mild Acids

Compliance
Meets International Standards (ISO, DIN)

Shaft Direction
Bidirectional

Finish
Precision Ground Surfaces for Low Friction

Rotary Face
Carbon, Silicon Carbide

Spring Material
SS 304 or SS 316

Mounting
Easy to Install, No Shaft Step Needed

Stationary Face
Ceramic, Silicon Carbide, Stainless Steel

Features
Resistant to Shaft Misalignment, Corrosion, and Thermal Shock

About Elastomer Bellow Mechanical Seal

Combined Materials:

Stationary Ring (Ceramic/SiC/TC)
Rotary Ring (Carbon/SiC/TC)
Secondary Seal (NBR/EPDM/Viton)
Spring and Punched Parts (Steel)

Working Conditions:

Pumps: Submersible pumps,
sewage pumps. Applied to the muddy water, sewage
water or weakly corrosive fluids
with soild grains.
Temperature:-20 C to +120 C
Pressure: =0.35Mpa
Speed: = 8 m/Sec

Product details

Packaging Type	Box
Pressure	0.35Mpa
Speed	8 m/sec
Temperature	-20 Degree C to 100 Degree C
Spring Material	SS

Reliable Performance Across Industrial Applications

Engineered for rigorous applications, this mechanical seal excels in environments ranging from water treatment to light chemical processes. With its versatile compatibility with shaft sizes from 12 mm to 100 mm and its bidirectional operation, it suits a wide variety of industrial pumps and compressors. The modular design ensures ease of installation without the need for shaft modifications.

Long-Lasting and Low Maintenance

Constructed from premium materials-such as carbon, ceramic, stainless steel, and advanced elastomers-this seal offers unparalleled resistance to corrosion, shaft misalignment, and thermal shock. Its robust build, combined with precision-ground surfaces, minimizes wear and extends operational life, reducing the need for frequent maintenance interventions.

International Standards Compliance for Assured Quality

With adherence to ISO and DIN standards, each seal provides consistent performance and reliability. The precision-engineered parts guarantee optimal sealing, low friction, and minimal energy loss, making it an economically and environmentally sound choice for exporters, importers, and manufacturers alike.

FAQ's of Elastomer Bellow Mechanical Seal:

Q: How do I install the Elastomer Bellow Mechanical Seal?

A: This seal features an easy-to-install design that does not require any shaft step or special modifications. Simply align the seal assembly with the shaft, secure it as per the supplied instructions, and check for correct seating. It is suitable for both new and retrofit installations on compatible pumps and compressors.

Q: What are the benefits of using a pusher type bellow mechanical seal in my industrial pump?

A: A pusher type bellow seal offers excellent adaptability to shaft misalignments and minimizes leakage risks, thanks to its flexible elastomer bellows. It provides high resistance to corrosion, chemicals, and thermal shocks, ensuring prolonged service life and reliable operation in demanding environments.

Q: Where can I use this mechanical seal?

A: This seal is designed for use in industrial environments such as centrifugal pumps, water pumps, submersible pumps, compressors, chillers, and systems dealing with clear water, slurry, chemicals, or mild acids. Its versatility makes it ideal for water treatment, chemical processing, and light industry applications.

Q: What is the recommended operating range for temperature, pressure, and speed?

A: The seal is engineered to operate between 20C and 120C, handle pressures up to 10 bar (kg/cm2), and function efficiently at speeds up to 3000 rpm, making it suitable for most standard industrial pumping applications.

Q: How does precision ground surface finishing benefit my equipment?

A: Precision ground surfaces reduce friction between the rotating and stationary seal faces, minimizing heat generation and wear. This results in lower energy consumption and extends the operational lifespan of your pumping equipment.

Q: When should I consider replacing the mechanical seal?

A: While the seal is designed for long service life with minimal maintenance, replacement is advised when you observe leakage, excessive vibration, abnormal noise, or wear during routine inspections.

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