Back to top
R21 PTFE Bellow External Mounted Seal Series
R21 PTFE Bellow External Mounted Seal Series

R21 PTFE Bellow External Mounted Seal Series

MOQ : 1 Unit

R21 PTFE Bellow External Mounted Seal Series Specification

  • Application
  • Corrosive chemicals, acids, slurries, general industrial pumps
  • Hardness
  • Varies by face material
  • Theory
  • Balanced mechanical seal
  • Style
  • External mounted, single spring
  • Material
  • Rotary: Silicon, Carbide, Carbon; Secondary: Ceramic; Metal Parts: SS-316, SS-304, Monel, Alloys-20; Spring: SS-316, Hast-C, Alloy-20 & Spring Steel or SS-304 Covered Teflon Tube; Secondary Seal: PTFE Bellow, Gasket
  • Temperature
  • 30C to 120C Celsius (oC)
  • Pressure
  • 10 Bar Bar
  • Speed
  • up to 4000 rpm RPM
  • Function
  • Sealing rotary mechanical components
  • Size
  • Shaft diameter 10mm to 100mm
  • Structure
  • PTFE bellow, metal parts, single spring, external mount
  • Seal Face
  • Stationary and rotary
  • Gasket Included
  • Yes
  • Ease of Maintenance
  • Quick replacement
  • External Mounting
  • Yes
  • Direction
  • Bi-rotational
  • Leakage Prevention
  • Positive drive design
  • Bellow Type
  • Convoluted PTFE
 

R21 PTFE Bellow External Mounted Seal Series Trade Information

  • Minimum Order Quantity
  • 1 Unit
  • Payment Terms
  • Cash in Advance (CID)
  • Supply Ability
  • 100 Units Per Month
  • Delivery Time
  • 7 Days
  • Main Domestic Market
  • All India
 

About R21 PTFE Bellow External Mounted Seal Series

  • It is a Seal similar to type M021 in Design with Replaceable Dynamic Ring.
  • This Permits easy Removal Replacement of the Dynamical Ring. 


Jump on the elite R21 PTFE Bellow External Mounted Seal Series, designed for wondrous performance in demanding industrial settings. Highlighted by a positive drive design, this majestic seal excels in bi-rotational applications while preventing leakage with a convoluted PTFE bellow. External mounting and stationary or rotary seal faces make for quick, effortless replacement and reduced downtime. Access superior durability with its premium build-silicon, carbide, carbon, ceramic, and stainless alloys-all included with a gasket for seamless installation. Perfect for corrosive chemicals, acids, and slurries, this seal is engineered for balanced, reliable containment up to 10 Bar and 120C.

Versatile Applications & Usage Areas

The R21 PTFE Bellow External Mounted Seal Series is expertly crafted for industrial pumps handling corrosive chemicals, acids, and slurries. Its majestic adaptability shines across various surfaces, including metal and ceramic, making it suitable for both stationary and rotary sites in general industrial environments. Highlighted for use in external mounting configurations, it ensures elite sealing and protection where reliability and chemical resistance are paramount. Jump on safer operations and longer equipment life by using this wondrous seal in your site's liquid handling applications.


Domestic Market, Delivery Time, and Payment Terms

Our R21 PTFE Bellow External Mounted Seal Series sees robust supply throughout India's main domestic markets. Hand over your requirements and receive a detailed quotation promptly. We commit to quick delivery times, typically supplying the seals within a week of order confirmation. Flexible payment terms are available to suit your procurement process, ensuring seamless handovers and ongoing elite service. For specific site needs and tailored commercial arrangements, connect with our sales support for comprehensive solutions.


FAQ's of R21 PTFE Bellow External Mounted Seal Series:


Q: How does the R21 PTFE Bellow External Mounted Seal prevent leakage in corrosive environments?

A: The R21 utilizes a positive drive design along with a convoluted PTFE bellow and expertly chosen materials (such as SS-316, ceramic, and high-grade alloys) to provide a formidable seal. This combination ensures that even aggressive chemicals, acids, or slurries are contained without risk of leakage.

Q: What applications and industries most benefit from using this seal series?

A: Industries handling corrosive chemicals, acids, slurries, or any general industrial process requiring robust mechanical sealing will benefit greatly. Its external mounting and compatibility with various surfaces make it highly versatile for pumps used in chemical manufacturing, wastewater treatment, and allied sectors.

Q: Where should the R21 PTFE Bellow External Mounted Seal be installed for optimal performance?

A: It should be installed on pumps and rotary equipment where bi-rotational movement and external mounting are specified. The seal is ideal for shafts with a diameter of 10mm to 100mm within operating environments up to 10 Bar pressure and temperatures ranging from 30C to 120C.

Q: When can I expect delivery after placing an order?

A: After handover of your order requirements and receiving our prompt quotation, you can generally expect supply within one week, depending on custom requirements and order volume.

Q: What is the process for replacing the seal and is maintenance easy?

A: Thanks to its quick replacement structure and accessible external mounting, the seal can be easily swapped out by maintenance personnel, minimizing downtime and maintenance complexity.

Tell us about your requirement
product

Price:

Quantity
Select Unit

  • 50
  • 100
  • 200
  • 250
  • 500
  • 1000+
Additional detail
Mobile number

Email

More Products in Mechanical Seal Category

MB61 & MB66 Metal Bellow Inherently Balanced Seal Series

MB61 & MB66 Metal Bellow Inherently Balanced Seal Series

Minimum Order Quantity : 1 Unit

Size : Shaft Diameter: 10mm to 100mm

Pressure : 25 Bar Bar

Temperature : 20C to 400C Celsius (oC)

Material : Other, Face: CarbonM, SIC, T.C.; Welded Bellow: AM 350; Hardware: AISI 316, SS 304, Carpenter42; Secondary Seal: MB61, Viton, Kalrez MB66Grafoil FEP, CFT.

Speed : Up to 4000 rpm RPM

External Mounted Reverse Balance Seal

External Mounted Reverse Balance Seal

Minimum Order Quantity : 1 Unit

Size : 18 mm to 100 mm

Pressure : Vacum 5 Bar Bar

Temperature : 45deg C to 180deg C Celsius (oC)

Material : Other, Carbon, Ceramic (99.5%), SIC, T.C., SS316, SS304, HastC, Alloy20

Speed : up to 6000 rpm RPM

Single Spring Unbalance Seal

Single Spring Unbalance Seal

Minimum Order Quantity : 1 Unit

Size : Shaft Diameter: 10 mm to 100 mm

Pressure : 10 Bar Bar

Temperature : 45C to 200C Celsius (oC)

Material : Other, Carbon, Ceramic (99.5%), SIC, T.C., SS316, SS304, HastC, Menol, Alloy20, Viton, EPDM, Silicon, EPR, Kalrez GFT, PTFE, TCV, FEP.

Speed : up to 6000 rpm RPM

UF81 - UF86 Multi Spring UnBalance Seal Series

UF81 - UF86 Multi Spring UnBalance Seal Series

Minimum Order Quantity : 1 Unit

Size : Shaft Diameter: 12mm to 100mm

Pressure : 10 Bar Bar

Temperature : 60C to 260C Celsius (oC)

Material : Other, Carbon, Ceramic (99.5%), SIC, T.C., Viton, EPDM, Silicon, Aflas, EPR, Kalrez, TCV, GFT, PTFE, FEP, Grafoil., SS316, SS304, HastC, Menol, Alloy20

Speed : up to 6000 rpm RPM