ZF 634349951 – O-Ring Ø50×60×6 mm for Marine & Industrial High-Pressure Systems

ID 1233033

1-2 weeks delivery time

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The ZF 634349951 O-Ring is a high-performance elastomer seal (Ø50×60×6 mm) designed for marine and industrial high-pressure systems. Available in NBR or FKM, it withstands −40°C to +230°C (NBR) and up to +250°C (FKM), with pressure capability up to 300 bar. Resistant to oils, fuels, chemicals, UV, and thermal cycling, it provides long-term leak prevention and low compression set for ZF transmissions, pumps, valves, and hydraulic circuits.

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ZF 634349951 – O-Ring Ø50×60×6 mm for Marine & Industrial High-Pressure Systems

The ZF 634349951 O-Ring is a high-quality sealing component engineered for demanding marine, industrial, and hydraulic applications. Manufactured from premium elastomers such as NBR or FKM, this O-ring ensures reliable sealing performance under high temperature, pressure, and chemical exposure. Designed for ZF transmission systems and other high-pressure assemblies, it maintains leak-free operation and long service life even in harsh marine environments.

Key Features:

Durable elastomeric construction (NBR or FKM) for high-pressure sealing
Resistant to oils, fuels, lubricants, and aggressive industrial chemicals
Wide temperature resistance for extreme operating conditions
Low compression set ensures long-lasting sealing stability
UV, ozone, and weather-resistant for outdoor and marine use
Ideal for ZF transmissions, pumps, valves, and hydraulic systems
High resistance to wear, swelling, and thermal degradation

Specifications:

Part Number	ZF 634349951
Material	NBR (Nitrile) or FKM (Fluoroelastomer)
Inner Diameter	50 mm
Outer Diameter	60 mm
Cross-Section	6 mm
Temperature Range	-40°C to +230°C (NBR); -30°C to +250°C (FKM)
Pressure Rating	Up to 300 bar
Hardness	70 Shore A (NBR), 75 Shore A (FKM)
Chemical Resistance	Excellent resistance to oils, fuels, lubricants, and solvents
UV / Ozone Resistance	Excellent
Compression Set	< 25% (NBR), < 15% (FKM)
Elongation at Break	300% (NBR), 250% (FKM)
Tensile Strength	14 MPa (NBR), 20 MPa (FKM)
Industry Standards	ISO 3601, DIN 3771, SAE J200
Application Type	Static high-pressure sealing
Expected Service Life	5–10 years under normal operating conditions

Compatibility and Application:

The ZF 634349951 O-Ring is designed for sealing high-pressure hydraulic and marine systems, especially within ZF transmission assemblies. Its high chemical and temperature resistance makes it suitable for pumps, valves, fuel circuits, hydraulic actuators, and cooling systems. It ensures stable performance in environments exposed to oils, fuels, saltwater, and continuous thermal cycles.

Benefits:

Reliable, leak-free sealing for high-pressure marine and industrial systems
Long service life reduces maintenance and downtime
Excellent chemical and thermal resistance for demanding applications
Suitable for ZF transmissions and other hydraulic equipment
Prevents premature wear and protects critical system components
UV and ozone resistance ensures durability in outdoor and marine environments