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2. Head gasket - Wikipedia

   en.wikipedia.org/wiki/Head_gasket

   A leak in the head gasket - often called a "blown head gasket" - can result in a leak of coolant, the combustion gasses, or both. Blue smoke from the exhaust suggests that excess oil is entering the combustion chambers (although there are other possible causes than a head gasket leak). White smoke from the exhaust suggests that coolant is ...

3. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   A gasket encompassed by coupling housing is wrapped around the two pipe ends, with the coupling engaging the groove; the bolts and nuts are tightened with a socket or impact wrench. The installed coupling housing encases the gasket and engages the grooves around the pipe to create a leakproof seal in a self-restrained pipe joint.

4. Sodium silicate - Wikipedia

   en.wikipedia.org/wiki/Sodium_silicate

   Sodium silicate is also the technical and common name for a mixture of such compounds, chiefly the metasilicate, also called waterglass, water glass, or liquid glass. The product has a wide variety of uses, including the formulation of cements , coatings, passive fire protection , textile and lumber processing, manufacture of refractory ...

5. Gasket - Wikipedia

   en.wikipedia.org/wiki/Gasket

   A flange gasket is a type of gasket made to fit between two sections of pipe that are flared to provide higher surface area. Flange gaskets come in a variety of sizes and are categorized by their inside diameter and their outside diameter. There are many standards in gasket for flanges of pipes.

6. End-face mechanical seal - Wikipedia

   en.wikipedia.org/wiki/End-face_mechanical_seal

   The spring keeps the elements tight against each other, maintaining the seal and allowing for wear. In mechanical engineering , an end-face mechanical seal (often shortened to mechanical seal ) is a type of seal used in rotating equipment, such as pumps , mixers , blowers , and compressors .

7. Tap (valve) - Wikipedia

   en.wikipedia.org/wiki/Tap_(valve)

   This is called a "globe valve" in engineering and, while it gives a leak-proof seal and good fine adjustment of flow, both the rubber washer and the valve seat are subject to wear (and for the seat, also corrosion) over time, so that eventually no tight seal is formed in the closed position, resulting in a leaking tap. The washer can be ...

8. Talk:Thermal expansion - Wikipedia

   en.wikipedia.org/wiki/Talk:Thermal_expansion

   A factor in head gasket failure on iron block/aluminum head engines (e.g., the Lotus Twin Cam of the 1960s) is shear damage of the gasket due to the unequal expansion. That can be mitigated with teflon or graphite on the mating surfaces (counterintuitive, perhaps, for a seal), which facilitates slippage rather than shear damage within the gasket.

9. Poppet valve - Wikipedia

   en.wikipedia.org/wiki/Poppet_valve

   Poppet valves are used in most piston engines to control the flow of intake and exhaust gasses through the cylinder head and into the combustion chamber. The side of the poppet valve which sits inside the combustion chamber is a flat disk, while the other side tapers from the disk shape to a thin cylindrical rod called a "valve stem".