Industrial X Ring Four Lip Seal Ring NBR / FKM Rubber Seal Gasket for Hydraulic Cylinder Equipment Pistons & Piston Rods CS 1.78/2.62/3.53/5.33mm

Regular price $8.00 USD

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Size ID 1.78x1.78mmVariant sold out or unavailable ID 2.57x1.78mmVariant sold out or unavailable ID 2.9x1.78mmVariant sold out or unavailable ID 3.68x1.78mmVariant sold out or unavailable ID 4.47x1.78mmVariant sold out or unavailable ID 5.28x1.78mmVariant sold out or unavailable ID 6.07x1.78mmVariant sold out or unavailable ID 6.75x1.78mmVariant sold out or unavailable ID 7.65x1.78mmVariant sold out or unavailable ID 9.25x1.78mmVariant sold out or unavailable ID 10.82x1.78mmVariant sold out or unavailable ID 12.42x1.78mmVariant sold out or unavailable ID 14x1.78mmVariant sold out or unavailable ID 14.84x1.78mmVariant sold out or unavailable ID 15.6x1.78mmVariant sold out or unavailable ID 17.17x1.78mmVariant sold out or unavailable ID 18.77x1.78mmVariant sold out or unavailable ID 20.35x1.78mmVariant sold out or unavailable ID 21.95x1.78mmVariant sold out or unavailable ID 23.52x1.78mmVariant sold out or unavailable ID 25.12x1.78mmVariant sold out or unavailable ID 26.17x1.78mmVariant 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Quantity NBR rubber (10PCS)Variant sold out or unavailable FKM rubber (5PCS)Variant sold out or unavailable

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Industrial X Ring, also known as four lip seal ring, is widely used sealing component for hydraulic cylinders. It is a lip seal providing reliable sealing for pistons and piston rods.

Compared with standard O-rings, X-ring performs better under variable pressure. At low pressure, sealing is achieved by lip interference deformation. Small contact surface creates lower friction for smooth reciprocating motion.

As pressure increases, the lips stretch elastically, raising radial compression force. Contact area gradually expands to form tight fitting. This unique four-lip X-shaped structure keeps stable sealing performance at high hydraulic pressure.

Two rubber material options with different temperature ranges:

Black NBR Nitrile Rubber: Cost-effective oil-resistant grade. Working temperature: -30℃ ~ +100℃, for standard hydraulic equipment.

Brown FKM Fluoro Rubber: High-performance heat resistant grade. Working temperature: -20℃ ~ +200℃, suitable for high temp and harsh oil media in heavy-duty machinery.

Available cross-section sizes: CS 1.78mm, 2.62mm, 3.53mm, 5.33mm.

X-shaped elastic sealing rings for hydraulic cylinders, machinery pistons and piston rods. Widely used in engineering hydraulics, machinery repair and industrial assembly.

Small orders accepted. RFQ welcome.

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Mixed NBR & FKM X‑ring four lip seal gaskets for hydraulic cylinder sealing

Dimension schematic drawing of industrial X‑ring four lip seal ring, size reference

black NBR X‑ring four lip rubber seal for heavy‑duty hydraulic equipment

Application display of X‑ring four lip seal installed on piston assembly

FKM X‑ring four lip rubber seals for general hydraulic systems

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Industrial X Ring Four Lip Seal Ring NBR / FKM Rubber Seal Gasket for Hydraulic Cylinder Equipment Pistons & Piston Rods CS 1.78/2.62/3.53/5.33mm

Industrial X Ring Four Lip Seal Ring NBR / FKM Rubber Seal Gasket for Hydraulic Cylinder Equipment Pistons & Piston Rods CS 1.78/2.62/3.53/5.33mm