Rubber Gaskets - Pumps, Valves, Piping and Fittings

Elastomeric gaskets used to create leak-tight joints in marine pumps, valves, piping systems and fittings. Common materials include EPDM, NBR, FKM and silicone, selected according to fluid, temperature, pressure and flange design.

ProShipWorks provides end-to-end support to source and supply Rubber Gaskets for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.

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Product Information

Product Name Rubber Gaskets
Product Category Pumps, Valves, Piping and Fittings
Product Reference 643
Brands / Manufacturers Trelleborg, Garlock, James Walker, KLINGER
Unit of Measure Piece or Set

Key Features

Key Feature
1.   Flexible sealing for flanged and grooved joints
2.   Available in EPDM, NBR, FKM and silicone
3.   Resistant to water, seawater, oils or chemicals depending on material
4.   Available as sheet-cut, molded or O-ring seals
5.   Suitable for maintenance replacement of pumps, valves and piping

Applications of Rubber Gaskets

Application
1.  Pump casings, covers and mechanical connections
2.  Marine valves, flanges and pipe joints
3.  Seawater, ballast, cooling, fuel and service piping systems

Technical Specifications

Model Specification Value Unit
EPDM gasket Typical service Fresh water, seawater, cooling water and many mild chemicals —
NBR gasket Typical service Fuel oil, diesel oil, lubricating oil and hydraulic fluids —
FKM gasket Typical service Higher-temperature oils, fuels and selected chemicals —
Silicone gasket Typical service Temperature-sensitive sealing applications and selected water services —

Standards, Certifications & Class Approval

Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.

Applicable Standards & Certification Applicable references may include EN 1514-1 for flange gasket dimensions, EN 681-1 for elastomeric seals in water applications, ISO 3601 for O-rings, and ASTM material or testing standards. Selection must match the piping and equipment specification.
Class Approval DNV, ABS, Lloyd's Register, Bureau Veritas and ClassNK may accept or approve gaskets when supplied as part of an approved piping, valve or machinery system. Approval is product- and application-specific and is not universal for all rubber gaskets.

Installation, Maintenance & Safety Information

Installation Notes Verify gasket material, dimensions, flange rating, bolt pattern and service compatibility. Clean and inspect mating surfaces, center the gasket correctly, and tighten bolts progressively in the specified cross-pattern and torque sequence. Do not reuse compressed or damaged gaskets unless specifically permitted.
Maintenance Tips Inspect for leakage, hardening, cracking, swelling, extrusion and permanent compression set during overhauls. Replace seals during planned maintenance or whenever dismantled if reuse is not approved. Store flat, clean, cool and away from sunlight, ozone, oils and chemicals.
Safety Notes Isolate, depressurize, drain and cool the system before replacement. Confirm the gasket is compatible with the fluid, temperature and pressure. Use suitable PPE and follow shipboard lockout/tagout procedures. Never compensate for incorrect flange alignment or damaged sealing faces with an unsuitable gasket.

Request a Quote for Rubber Gaskets

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