EPDM O-Ring 36x4 mm

AI Overview

The EPDM O-Ring 36x4 mm is a high-quality elastomer sealing ring manufactured from Ethylene Propylene Diene Monomer (EPDM). Designed for static and dynamic sealing applications, it provides excellent resistance to water, hot water, steam, ozone, UV radiation and weathering. Its outstanding flexibility and chemical resistance make it an ideal sealing solution for plumbing systems, HVAC equipment, pneumatic installations, water treatment systems and a wide range of industrial applications where petroleum-based oils are not present.

What Makes This EPDM O-Ring Different?

Key advantages include:

• Premium EPDM rubber compound
• Excellent resistance to water and hot water
• Outstanding steam resistance
• Superior ozone resistance
• Excellent UV resistance
• Exceptional weathering resistance
• High elasticity
• Low compression set
• Long service life
• Precision manufacturing

Construction and Operating Principle

The O-ring features a circular cross-section designed to fit into a precision-machined sealing groove.

When compressed between mating components, it:

• Prevents liquid leakage
• Seals gases effectively
• Compensates for minor dimensional variations
• Maintains system pressure
• Reduces vibration
• Ensures long-lasting sealing performance

The elasticity of EPDM allows the seal to maintain consistent contact pressure even under varying temperatures and operating conditions.

Material Properties

Manufactured from:

EPDM (Ethylene Propylene Diene Monomer)

Key properties:

• Excellent resistance to hot water
• Outstanding steam resistance
• Superior ozone resistance
• Excellent UV resistance
• Exceptional weather resistance
• Good resistance to diluted acids and alkalis
• Resistant to glycol-based brake fluids
• Excellent flexibility at low temperatures
• Excellent aging resistance

Typical operating temperature:

-50°C to +150°C (depending on the EPDM compound).

Typical Applications

The EPDM O-Ring 36x4 mm is widely used in:

• Water supply systems
• Plumbing equipment
• Heating installations
• Steam systems
• HVAC equipment
• Pneumatic systems
• Water treatment equipment
• Household appliances
• Chemical processing equipment
• Industrial machinery

Typical Failure Symptoms

Replace the O-ring if any of the following symptoms appear:

• Fluid leakage
• Loss of elasticity
• Surface cracking
• Permanent deformation
• Rubber hardening
• Mechanical damage
• Excessive wear
• Reduced sealing performance

Recommended During Maintenance

During replacement inspect:

• Groove condition
• Mating surfaces
• Component cleanliness
• Media compatibility
• Operating temperature
• Working pressure
• Installation procedure
• Adjacent seals
• Assembly lubricant compatibility
• Condition of surrounding components

Technical Specification

Manufacturer: Industrial Standard

Product Type: O-Ring

Material: EPDM (Ethylene Propylene Diene Monomer)

Inside Diameter (ID): 36 mm

Cross Section (CS): 4 mm

Shape: O-Ring

Color: Black

Operating Temperature: -50°C to +150°C

Resistance: Water, hot water, steam, ozone, UV radiation, weathering, glycol-based brake fluids, diluted acids and alkalis

Application: Plumbing systems, HVAC equipment, pneumatic systems, water treatment installations, industrial machinery and chemical processing equipment.

Compatible Media

Suitable for use with:

• Cold water
• Hot water
• Steam
• Compressed air
• Glycol-based brake fluids (DOT 3 / DOT 4)
• Diluted acids
• Diluted alkalis
• Water-based cleaning solutions
• Detergents

Not recommended for use with:

• Mineral oils
• Hydraulic oils
• Petroleum-based lubricants
• Gasoline
• Diesel fuel
• Aromatic hydrocarbons
• Petroleum-based solvents

Related Products

Frequently purchased together with:

• EPDM seals
• O-Ring kits
• X-Rings
• Hydraulic seals
• Pneumatic seals
• EPDM-compatible assembly lubricants
• Rotary shaft seals
• Industrial valves
• Pipe fittings
• Installation tools

Why B2B Customers Choose Our EPDM O-Rings?

Industrial professionals choose our EPDM O-rings because they offer:

• High-quality EPDM material
• Precision manufacturing
• Reliable sealing performance
• Excellent weather resistance
• Long operating life
• Stable chemical resistance
• Broad industrial compatibility
• Fast stock availability

Professional Industrial Supply

We supply EPDM O-rings to:

• Industrial manufacturers
• Water treatment facilities
• HVAC contractors
• Plumbing companies
• Chemical processing plants
• OEM machine manufacturers
• Industrial maintenance departments
• Technical distributors
• Engineering companies
• Equipment service providers

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• 36x4 EPDM O-Ring
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FAQ

What is EPDM?

EPDM (Ethylene Propylene Diene Monomer) is a synthetic rubber with excellent resistance to water, steam, ozone, UV radiation and weathering, making it one of the most widely used sealing materials for water-based applications.

Is EPDM resistant to oils?

No. EPDM is not recommended for use with mineral oils, fuels or petroleum-based lubricants. For these applications, NBR or FKM (Viton®) O-rings are generally recommended.

What temperature range can an EPDM O-ring withstand?

Typical operating temperatures range from -50°C to +150°C, depending on the EPDM compound and application.

Can EPDM O-rings be used in drinking water systems?

Yes, provided the specific EPDM compound is certified for potable water applications according to the applicable national or international regulations.

What are the main advantages of EPDM?

The main advantages include excellent resistance to water, steam, ozone, UV radiation, weathering, aging and glycol-based fluids while maintaining outstanding flexibility over a wide temperature range.