Plumbing components control the movement of water, fluids, and other materials through equipment, vessels, and mechanical systems. From providing access to hidden plumbing connections to controlling flow and creating watertight seals, relatively simple components can have an important role in system performance and maintenance.

The right plumbing components depend on factors such as fluid type, pressure, temperature, connection method, available space, and exposure to the surrounding environment.

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This resource introduces common plumbing products and explores how they are used in practical applications.

Access & Inspection

Access points allow plumbing systems to be inspected, cleaned, serviced, and repaired without requiring extensive disassembly. Properly designed access components can make routine maintenance considerably easier while maintaining the integrity of the surrounding system.

Inspection Port Kits

Inspection port kits provide a convenient way to create removable access points in tanks, compartments, panels, and other enclosed spaces. A typical kit can include the components needed to install a secure, serviceable inspection opening. Common applications:

Marine & Boat Maintenance
Inspection ports provide access to areas beneath decks, inside compartments, and around tanks where routine inspection or maintenance may be required.

Tanks & Reservoirs
Access ports can make it easier to inspect internal spaces, clean accumulated debris, or perform maintenance without removing the entire tank or assembly.

Equipment & Enclosures
Useful for creating removable access points in equipment housings and other enclosed structures where internal components need to remain accessible.

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Flow Control & Restriction

Not every plumbing system requires unrestricted flow. Restricting or regulating flow can help control discharge rates, prevent excessive water movement, and balance the performance of connected components.

Slow Down Washers

Slow down washers are designed to restrict water flow through a fitting or opening. By reducing the effective passage available for water, they can help control the rate at which water enters or exits a system.

Drain Systems
Can be used where the rate of drainage needs to be reduced or controlled.

Marine Plumbing
Useful in applications where controlled water flow is desirable for managing drainage or water movement.

Tanks & Reservoirs
Can help regulate the rate at which water passes between connected spaces or through an outlet.

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Fittings

Fittings provide the connections between pipes, hoses, tanks, valves, and other plumbing components. They allow systems to change direction, transition between connection types, or connect plumbing components to structures and equipment.

NPT Fittings

National Pipe Thread fittings use tapered threads designed to create a mechanical and sealing connection between compatible threaded components.

Fluid Systems
Used to connect pipes, hoses, valves, gauges, and other components within fluid-handling systems.

Equipment Connections
Provide threaded connection points between plumbing components and machinery or equipment.

Marine & Industrial Systems
Commonly used where standardized threaded connections are required for water and other compatible fluids.

Thru-Hulls

Thru-hull fittings provide a passage through the hull or structure of a vessel, allowing plumbing systems to draw in or discharge water while maintaining a sealed connection through the hull.

Marine Water Intakes
Provide an inlet for systems that require water from outside the vessel.

Discharge Lines
Allow water from pumps, drains, and other systems to exit through the hull.

Marine Plumbing Systems
Used as connection points between internal plumbing and the surrounding body of water.

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Seals & Gaskets

Seals and gaskets help prevent fluids from passing between mating surfaces or through mechanical connections. They can also help prevent air, dirt, and other contaminants from entering a system. Unlike rigid components, sealing materials must often accommodate minor surface imperfections, movement, pressure changes, and thermal expansion. Material selection is therefore an important consideration when designing or maintaining a sealed connection.

Flanged Connections
Gaskets can be placed between mating flanges to create a seal around pipes, tanks, and other fluid-handling components.

Plumbing Fittings & Connections
Sealing materials can help prevent leaks at threaded or mechanically joined connections where appropriate.

Marine & Outdoor Equipment
Seals and gaskets help protect connections from water intrusion and environmental exposure.

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