Ship grease gun coupler fittings are specialized connectors used to attach grease guns to lubrication points on marine equipment. These fittings ensure secure and efficient grease delivery, preventing leaks and contamination. They are essential components of shipboard lubrication systems, maintaining smooth operation of machinery and reducing wear.

Size: 1/8" to 1/2" NPT or BSP threads

Grade: NLGI 0 to NLGI 2 (commonly NLGI 1 or 2 for marine applications)

Viscosity: 100 to 1,000 cSt at 40°C (varies based on grease type)

Buoyancy: Typically non-buoyant (metallic fittings), but polymer options may offer slight buoyancy

Material: Brass, stainless steel (AISI 304/316), or carbon steel with corrosion-resistant coatings

Pressure Rating: 3,000 to 10,000 psi (depending on design and material)

Operating Temperature: -20°C to 150°C (-4°F to 302°F)

Seal Type: Nitrile (NBR), Viton (FKM), or PTFE for chemical resistance

Connection Type: Threaded, quick-disconnect, or bayonet-style couplers

Compatibility: Works with standard grease gun hoses (1/4" or 3/8" ID)

Standards: Meets ISO, DIN, or SAE specifications for marine lubrication systems