O-ring FPM 14x1.5 FKM Viton

Characteristics of O-ring FPM 14x1.5 mm FKM Viton

The FPM 14x1.5 mm O-ring is a continuous elastomeric ring with a circular cross-section. Its primary function is to prevent or limit the leakage of liquids or gases between mating components.

Sealing is achieved through controlled compression of the elastomer within a properly designed installation groove.

Key product characteristics:

• Inside diameter: 14 mm.

• Cross-sectional diameter: 1.5 mm.

• Material: FKM / FPM fluorocarbon rubber.

• Calculated nominal outside diameter: 17 mm.

• Construction: Continuous ring with a circular cross-section.

• Sealing type: Elastomeric O-ring.

• Applications: Static and selected dynamic sealing arrangements.

• Material properties: Resistance to many mineral oils, fuels and chemical media.

• Temperature capability: Suitable for elevated-temperature applications when the specific compound is appropriately selected.

Viton is a registered trademark used for particular fluoroelastomer materials. The designations FKM and FPM identify a material family, whereas the word Viton alone does not establish that this specific O-ring is manufactured from a genuine Viton-branded compound.

Technical Specifications

The material hardness, exact operating temperature range, maximum pressure rating and compound manufacturer have not been specified because they have not been verified for this particular product.

How Is the Outside Diameter Calculated?

The nominal outside diameter of an O-ring in its free, uncompressed condition can be calculated using:

For the 14x1.5 mm O-ring:

Calculated nominal outside diameter: 17 mm.

This is a geometric calculation based on nominal dimensions, not a separately verified manufacturing tolerance.

What Does O-ring FPM 14x1.5 mm FKM Viton Mean?

14 mm - Inside Diameter

The inside diameter of 14 mm specifies the nominal diameter of the opening in the O-ring before installation.

It is an essential selection parameter for sealing grooves, shafts, fittings and other mechanical components.

Depending on the sealing arrangement, controlled stretching may be required during installation.

Excessive stretching can reduce the O-ring's cross-sectional diameter and adversely affect sealing performance.

1.5 mm - Cross-Sectional Diameter

The cross-sectional diameter of 1.5 mm identifies the nominal thickness of the elastomeric ring.

This dimension influences:

• Initial sealing compression.

• Contact pressure.

• Groove fill.

• Elastomer deformation.

• Sealing performance.

• Resistance to extrusion into the clearance gap.

Correct groove selection depends on the sealing arrangement, pressure, temperature and elastomer properties.

A 1.5 mm cross-section does not mean that the installation groove should be exactly 1.5 mm deep.

FKM and FPM - Fluoroelastomer Material

FKM and FPM are designations commonly used for fluorocarbon elastomers.

FKM is widely used in international technical material classifications, while FPM is frequently encountered in European sealing catalogues.

Both terms are commonly used to identify the same general family of fluoroelastomer materials.

FKM/FPM materials are valued for:

• Resistance to many mineral-based oils.

• Compatibility with numerous fuels and lubricants.

• Resistance to a wide range of chemical substances.

• Generally higher elevated-temperature resistance than standard NBR.

• Suitable sealing properties in appropriately designed industrial applications.

However, individual FKM compounds can differ significantly in chemical resistance, low-temperature flexibility and mechanical characteristics.

Material compatibility must always be assessed for the actual operating conditions.

Viton - Fluoroelastomer Trade Name

Viton is a registered trademark for specific fluoroelastomer products.

In industrial sealing terminology, the term Viton is sometimes used informally to describe FKM/FPM O-rings.

It is important to distinguish between:

• FKM / FPM: Generic material family designation.

• Viton: Registered trade name for particular fluoroelastomer materials.

Without manufacturer documentation, it is not possible to confirm that this O-ring is manufactured from a genuine Viton-branded compound.

Construction and Operating Principle

O-ring FPM 14x1.5 mm is a one-piece elastomeric sealing element with a circular cross-section.

When installed in a properly designed groove, the ring is compressed between mating surfaces.

This deformation generates contact pressure that helps prevent the sealed medium from passing through the connection.

Sealing effectiveness depends on:

• O-ring dimensions.

• Groove geometry.

• Compression ratio.

• Groove fill.

• Extrusion clearance.

• Surface finish.

• Chemical compatibility.

• Operating temperature and pressure.

• Movement of mating components.

FKM materials are particularly relevant where standard NBR compounds do not provide the required chemical or thermal resistance.

Chemical and Temperature Resistance of FKM / FPM

Fluoroelastomers are used in a wide range of demanding industrial environments.

The table describes general material-family characteristics rather than guaranteed compatibility for this particular O-ring.

Operating Temperature

FKM fluoroelastomers generally offer better high-temperature performance than conventional NBR materials.

However, the permissible temperature range depends on:

• Specific FKM formulation.

• Duration of exposure.

• Type of sealed medium.

• Mechanical loading.

• Sealing compression.

• Application design.

A universal operating temperature range should not be assigned to all FKM O-rings.

The actual limits must be confirmed using documentation for the specific elastomer compound.

FKM vs NBR vs EPDM O-rings

O-rings manufactured from different elastomers may have substantially different chemical and thermal properties, even when their dimensions are identical.

These are general material characteristics, not guaranteed specifications for individual compounds.

An FKM 14x1.5 mm O-ring is not automatically interchangeable with an NBR or EPDM O-ring of identical dimensions.

Selection must consider the sealed medium, operating temperature, pressure and specific material properties.

Applications of O-ring FPM 14x1.5 mm

FKM/FPM O-rings with dimensions of 14x1.5 mm may be used in appropriately designed sealing arrangements involving:

• Static mechanical connections.

• Selected hydraulic components.

• Selected fuel system components.

• Technical fittings and connectors.

• Mechanical equipment housings.

• Industrial machinery.

• Lubrication systems.

• Selected elevated-temperature applications.

These are general application categories for FKM O-rings, not a verified list of equipment requiring the exact 14x1.5 mm size.

Static Sealing Applications

In static sealing arrangements, the O-ring is installed between components that do not move relative to one another during normal operation.

Appropriate compression maintains contact between the elastomer and the mating surfaces.

Static O-ring seals may be used in suitably designed covers, housings and mechanical connections.

Dynamic Sealing Applications

FKM O-rings may also be used in selected dynamic sealing systems.

However, these applications require additional consideration of:

• Friction.

• Wear.

• Lubrication.

• Movement speed.

• Surface finish.

• Temperature.

• Operating pressure.

• Groove geometry.

The FKM material designation and 14x1.5 mm dimensions alone do not confirm suitability for a particular dynamic application.

Selection and Interchangeability

Before purchasing O-ring FPM 14x1.5 mm FKM Viton, verify:

1. Inside diameter: 14 mm.

2. Cross-sectional diameter: 1.5 mm.

3. Material: FKM/FPM.

4. Required elastomer hardness.

5. Installation groove geometry.

6. Required compression and stretching.

7. Type of sealed medium.

8. Operating temperature and pressure.

9. Static or dynamic sealing requirements.

10. Required dimensional tolerances and material specifications.

Can an FKM 14x1.5 mm O-ring Be Replaced with NBR?

Not without checking the operating conditions.

NBR and FKM have different chemical and temperature resistance characteristics.

Even with identical dimensions, their performance may differ significantly when exposed to the same fluid or operating environment.

Can a 14x1.5 mm O-ring Be Replaced with a 14x2 mm O-ring?

Interchangeability should not be assumed.

Increasing the cross-sectional diameter from 1.5 mm to 2 mm significantly changes compression and groove fill.

The replacement must meet the requirements of the original sealing design.

Installation Recommendations

Before installation, clean the groove and mating surfaces thoroughly.

Inspect the O-ring for cracks, cuts, contamination and permanent deformation.

During installation:

• Avoid sharp edges and burrs.

• Do not twist the O-ring.

• Avoid excessive stretching.

• Use an installation lubricant compatible with FKM and the sealed medium when appropriate.

• Ensure correct positioning in the groove.

• Prevent pinching during assembly.

Proper installation helps reduce the risk of premature damage and leakage.

Storage

Store unused FKM O-rings in a clean, dry environment away from direct sunlight, excessive heat and chemicals that may affect elastomer properties.

Avoid prolonged stretching or deformation during storage.

Alternative Designations and Reference Names

The product may also be identified using the following descriptions:

• O-ring FPM 14x1.5 mm FKM Viton

• O-ring FKM 14x1.5 mm

• O-ring FPM 14x1.5 mm

• Fluorocarbon rubber O-ring 14x1.5 mm

• Fluoroelastomer O-ring 14x1.5 mm

• FKM sealing ring 14x1.5 mm

• FPM rubber seal 14x1.5 mm

• O-ring 14 mm ID 1.5 mm CS

These are alternative descriptive designations rather than confirmed manufacturer part numbers or OEM references.

They do not establish the use of a genuine Viton-branded compound.

FAQ - O-ring FPM 14x1.5 mm FKM Viton

1. What are the dimensions of O-ring FPM 14x1.5 mm?

The O-ring has an inside diameter of 14 mm and a cross-sectional diameter of 1.5 mm. Its calculated nominal outside diameter is 17 mm.

2. Are FPM and FKM the same material?

Both designations refer to the fluoroelastomer material family and are commonly used interchangeably in industrial sealing catalogues.

3. Is every FKM O-ring made from genuine Viton?

No. Viton is a registered trade name for particular fluoroelastomer materials. The designation FKM alone does not establish that a product is manufactured from a Viton-branded compound.

4. Is an FKM O-ring resistant to high temperatures?

FKM fluoroelastomers generally provide better high-temperature resistance than standard NBR. The exact permissible temperature range depends on the specific compound.

5. Is O-ring FPM 14x1.5 mm suitable for oil applications?

FKM generally offers good resistance to many mineral-based oils and lubricants. Compatibility with the actual medium must be verified.

6. Can an FKM 14x1.5 mm O-ring be replaced with an NBR 14x1.5 mm O-ring?

Not automatically. The materials differ in chemical and thermal resistance, so replacement requires verification of the operating conditions.

7. What is the Shore A hardness of O-ring FPM 14x1.5 mm?

The product designation does not specify a Shore A hardness value. The actual hardness must be confirmed using documentation for the specific elastomer compound.

8. Does 14x1.5 mm indicate an outside diameter of 14 mm?

No. The first value indicates the inside diameter, while the second specifies the cross-sectional diameter. The calculated nominal outside diameter is 17 mm.

O-ring FPM 14x1.5 mm FKM Viton - Key Technical Information

O-ring FPM 14x1.5 mm FKM Viton is an elastomeric sealing ring with a 14 mm inside diameter and a 1.5 mm circular cross-section. Manufactured from FKM/FPM fluoroelastomer, it offers resistance to many oils, fuels and elevated temperatures. Its calculated nominal outside diameter is 17 mm. Correct selection requires verification of chemical compatibility, hardness, groove geometry and operating conditions.

O-ring FPM 14x1.5 mm FKM Viton is available from simmering.pl, a specialist supplier of industrial O-rings, rotary shaft seals and rolling bearings.

With warehouse operations in Lublin, Poland, simmering.pl supplies engineering companies, maintenance departments and international B2B customers, with worldwide shipping options.