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Spears Manufacturing is a manufacturer of PVC and CPVC plastic pipe fittings, valves, and piping system components for industrial, commercial, and residential fluid handling applications. Founded in 1969 and headquartered in Sylmar, California, Spears Manufacturing holds ISO 9001 certification and produces Schedule 40 and Schedule 80 fittings from 1/8 inch through 14 inch, with fabricated fittings available up to 48 inches. The company's product lines address corrosive chemical handling, fire protection, potable water systems, irrigation, and laboratory drain applications. Spears Manufacturing's thermoplastic piping system components are specified by mechanical contractors and industrial plant engineers who need pressure-rated, chemical-resistant alternatives to metal piping.

Product Lines

PVC and CPVC Schedule 40 and Schedule 80 Fittings

Spears Manufacturing's core product line is injection-molded PVC and CPVC fittings in Schedule 40 and Schedule 80 pressure ratings, sized from 1/8 inch through 14 inch. Schedule 40 fittings cover standard-pressure potable water, drain, waste, and vent applications. Schedule 80 fittings are specified for higher-pressure industrial and chemical handling systems where greater wall thickness is required. Both schedules are produced under Spears Manufacturing's ISO 9001-certified manufacturing process.

FlameGuard CPVC Fire Sprinkler Systems

The FlameGuard product line is Spears Manufacturing's CPVC piping system designed specifically for fire protection applications. FlameGuard components are listed for use in concealed and exposed residential and light commercial fire sprinkler installations. FlameGuard differs from the standard CPVC pressure fitting line in that it's engineered and listed to meet the specific pressure, temperature, and installation requirements of NFPA fire protection codes.

EverTUFF CTS Fittings

EverTUFF CTS is Spears Manufacturing's CPVC Copper Tube Size fitting line designed for hot and cold water distribution in residential and light commercial plumbing. EverTUFF CTS connects to copper tube size CPVC pipe and is compatible with the copper tube size piping systems commonly installed in residential construction. This line serves the same plumbing application scope as copper piping but in a thermoplastic format.

Lab Waste Systems

Spears Manufacturing's Lab Waste product line provides polypropylene drainage components designed for laboratory and industrial drain applications where chemical resistance to acids, bases, and solvents is required. Lab Waste systems handle drainage from fume hoods, chemical sinks, and research facilities where standard PVC drain piping may not offer adequate chemical compatibility. This line is specified independently from Spears' standard PVC/CPVC lines based on the specific chemical exposure profile of the installation.

Fabricated Fittings (Large Diameter)

Spears Manufacturing produces fabricated thermoplastic fittings in sizes from 14 inch through 48 inch for large-diameter industrial and municipal piping applications. These fabricated fittings extend the Spears Manufacturing product line into the size ranges that injection molding cannot cover. Municipal water and wastewater treatment contractors, industrial plant engineers, and chemical processing facilities specify large-diameter fabricated fittings for main lines and process headers.

Why Contractors Specify Spears Manufacturing

Spears Manufacturing holds ISO 9001 certification and has been producing thermoplastic piping components in the United States since 1969. Mechanical contractors and industrial engineers specify Spears Manufacturing for the breadth of a product line that covers PVC, CPVC, and polypropylene across Schedule 40, Schedule 80, and large-diameter fabricated formats. The FlameGuard CPVC fire protection line and the EverTUFF CTS residential plumbing line extend Spears' coverage into specialized applications where a single catalog can supply the full thermoplastic piping scope. Spears Manufacturing fittings are produced to ASTM standards and distributed through an established industrial and wholesale distribution network.

How to Choose a Spears Manufacturing Product

The most important decision variable when selecting a Spears Manufacturing fitting or valve is the pipe material and pressure schedule the application requires. PVC and CPVC are the two primary material choices in the Spears catalog, and the correct selection depends on operating temperature, chemical compatibility, and the fluid being conveyed.

For cold and ambient-temperature applications handling potable water, drain, waste, or vent service, PVC Schedule 40 fittings are typically the specification. When operating pressures are higher or the application requires additional wall strength, PVC Schedule 80 is the appropriate Spears Manufacturing selection. CPVC is specified when operating temperatures exceed what PVC can handle — typically for hot water distribution or chemical processes running at elevated temperatures.

For residential and light commercial hot and cold water distribution, the EverTUFF CTS CPVC line connects to copper tube size pipe and installs with the same connection patterns as standard copper tube systems. For fire protection applications requiring a listed thermoplastic product, the FlameGuard CPVC line is the Spears Manufacturing specification path.

For chemical or laboratory drainage, the Lab Waste polypropylene line covers drain applications in research, industrial, and laboratory settings. For large-diameter industrial mains exceeding 14 inches, Spears Manufacturing's fabricated fitting program extends coverage up to 48 inches. Consulting Spears Manufacturing's chemical resistance guide and pressure-temperature rating charts is recommended before specifying any Spears product for chemical service or elevated-temperature applications.

FAQs

Where are Spears Manufacturing products made?: Spears Manufacturing products are made in the United States. The company has been headquartered in Sylmar, California since its founding in 1969 and operates under an ISO 9001-certified manufacturing process.
What warranty does Spears Manufacturing offer on its fittings and valves?: Spears Manufacturing warranty terms are available through their official product documentation. Specific warranty coverage depends on the product line and application.
What's the difference between Spears Schedule 40 and Schedule 80 fittings?: The difference between Spears Manufacturing Schedule 40 and Schedule 80 fittings is wall thickness and pressure rating. Schedule 40 fittings have thinner walls suited for standard-pressure water and drain applications. Schedule 80 fittings have thicker walls and higher pressure ratings, making them the appropriate Spears Manufacturing selection for higher-pressure industrial piping and chemical handling systems.
What size Spears Manufacturing fittings are available?: Spears Manufacturing produces injection-molded PVC and CPVC fittings in sizes from 1/8 inch through 14 inch. Fabricated fittings extend coverage up to 48 inches for industrial and municipal applications.
Are Spears Manufacturing FlameGuard fittings compatible with standard residential sprinkler systems?: Spears Manufacturing FlameGuard CPVC components are listed for use in concealed and exposed residential and light commercial fire sprinkler applications. Compatibility with a specific system depends on the design, listing requirements, and local fire code — consulting FlameGuard listing documentation confirms compatibility for a given installation.
What Spears Manufacturing product is right for a laboratory drain application?: For laboratory drain applications requiring chemical resistance to acids, bases, and solvents, the Spears Manufacturing Lab Waste polypropylene system is the appropriate product line. Lab Waste is designed for drainage from fume hoods, chemical sinks, and research facilities where standard PVC may not provide adequate chemical compatibility.

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