FPM O Ring 216x4 FKM High Temp Chemical Resistant Seal

High-Temp & Chemical Resistant

The FPM O Ring 216x4 FKM is a high temperature and chemical resistant technical sealing solution designed for large diameter static and semi dynamic industrial assemblies exposed to aggressive media and thermal load.

Within the category of technical O rings, this 216x4 mm FPM O Ring is positioned as a heavy duty sealing element for installations where dimensional stability and long service life are critical.

Technical Parameters

Quick technical snippet:

Type: FPM O Ring FKM
Size: 216x4 mm
Inside diameter: 216 mm
Cross section: 4 mm
Standard hardness: 70 Shore A
Temperature range: approx. -20 C to +200 C
Resistance: oils, fuels, hydraulic fluids, many chemicals

Long tail dimensional phrases: FPM O Ring 216x4 mm, FKM O Ring 216x4 high temperature, 216 mm ID 4 mm cross section Viton seal.

The 4 mm cross section provides balanced compression behavior in larger grooves, supporting reliable sealing even under pressure fluctuations typical for industrial O ring applications.

Construction and Material Characteristics

This FPM O Ring 216x4 is manufactured from fluorocarbon rubber FKM, often referred to as Viton type material, engineered for demanding chemical environments.

Key construction advantages:

• High fluorine content for chemical stability

• Low gas permeability compared to standard elastomers

• Excellent resistance to mineral and synthetic oils

• Strong performance in contact with fuels and additives

• Reduced aging under continuous heat exposure

Compared to NBR O rings of the same 216x4 size, FKM offers superior resistance to oxidation and aggressive fluids, making it suitable for extended maintenance cycles in B2B operations.

Industrial Application Context

In heavy industry, the FPM O Ring 216x4 is commonly used in:

• Large flange connections in chemical processing lines

• Inspection covers of tanks transporting aggressive fluids

• Hydraulic power units operating at elevated temperatures

• Oil and fuel systems in industrial machinery

In energy and process sectors, this FKM O Ring 216x4 mm ensures stable sealing where temperature peaks and chemical exposure occur simultaneously.

As part of the broader technical O rings cluster, this model strengthens the high temperature FPM segment dedicated to demanding industrial sealing systems.

Operational Advantages

Choosing the FPM O Ring 216x4 FKM provides measurable benefits:

• Extended service life in high temperature environments

• Lower risk of swelling in contact with fuels

• Improved dimensional stability under compression

• Reduced downtime in maintenance intensive installations

For procurement departments and maintenance engineers, the 216x4 FKM O Ring represents a cost efficient solution when total lifecycle performance is considered.

Main Description

The FPM O Ring 216x4 FKM is an industrial grade sealing component engineered for high temperature and chemically aggressive environments where standard elastomers fail to maintain long term sealing integrity.

With its 216 mm internal diameter and 4 mm cross section, this model is optimized for large diameter housings and flanged assemblies requiring reliable static sealing. The FKM compound ensures consistent elasticity, controlled compression set, and resistance to degradation in oil based and fuel based systems.

In technical O ring applications across process industry, automotive heavy equipment, and hydraulic systems, the FPM O Ring 216x4 mm functions as a stable barrier against leakage while maintaining performance over prolonged operational cycles.

Magazyn i Sklep: Lublin, ul. Smoluchowskiego 1, budynek 4
Dostawa 24h - szybka realizacja zamowien

We supply industrial O rings directly from stock with fast 24h order fulfillment for B2B customers.

FAQ

1. Is the FPM O Ring 216x4 suitable for continuous high temperature operation?
   Yes, FKM material supports continuous exposure up to approximately 200 C depending on application conditions.

2. Can this 216x4 FKM O Ring be used with hydraulic oil?
   Yes, FPM O Rings provide excellent resistance to mineral and synthetic hydraulic oils.

3. What groove type is recommended for a 4 mm cross section?
   A standard rectangular groove designed for 4 mm cross section O rings with proper compression ratio is recommended.

4. How does FPM compare to EPDM for this size?
   FPM offers superior resistance to oils and fuels, while EPDM is typically preferred for water and steam applications.