Plumbing Valves
Ball, gate, globe, butterfly and check valves for fluid lines.
Also searched as: ball valvegate valvebutterfly valvecheck valveglobe valve
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316 Stainless Steel Rising Stem Globe Valve
Bonnet: ThreadedEnd Connection: Threaded
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Angle Gate Valve, 1-1/2" Pipe, Threaded, Bronze
End Connection: ThreadedPipe Size: 1-1/2"
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Brass Rising Stem Globe Valve
Bonnet: BoltedBore: 1 inchDisc Material: BronzeEnd Connection: FNPTPressure Rating: 200 psi WOG, 125 psi WSP
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Bronze 3-Way Globe Valve
Bonnet Style: ThreadedBore: 2 inchEnd Connection: FNPT Threaded
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Compact Gate Valve, 1-1/2" Pipe, IPS, Brass
End Connection: IPSPipe Size: 1-1/2"Pressure Class: 150
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Gate Valve, 2-1/2" Pipe, NST, Brass
Bonnet Style: UnionEnd Connection: NSTPipe Size: 2-1/2"
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Gate Valve, 3/8" Pipe, FNPT x FNPT, Bronze
Disc Style: Solid WedgeEnd Connection: FNPT x FNPTPipe Size: 3/8"
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Gate Valve, Threaded (NPT), Stainless Steel, Screw-In
End Connection: Threaded (NPT)Maximum Working Pressure: 200.000Style: Screw-In
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Integral Globe Valve
End Connection: ThreadedMaximum Working Pressure: 200.000Overall Length: 2.00
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Iron Renewable Globe Valve
Bonnet Style: BoltedBore: 3 inchDisc Material: BronzeEnd Connection: FlangedPressure Class: 125
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Iron Renewable Globe Valve
Bonnet Style: BoltedBore: 8 inchDisc Material: BronzeEnd Connection: FlangedPressure Class: 250
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Lead Free Brass Rising Stem Globe Valve
Bore: 2 inchEnd Connection: FNPT
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OS & Y Gate Valve, 5" Pipe, Flanged, Iron
Bonnet Style: BoltedDisc Style: Solid WedgeEnd Connection: FlangedPipe Size: 5"Valve Type: OS & Y
About plumbing valves
Plumbing valves are mechanical devices that control the flow of fluids through a piping system by opening, closing, or partially obstructing passageways. Key types include ball valves, which use a pivoting ball with a bore to control flow; gate valves, which employ a wedge-shaped gate that moves perpendicular to the flow; globe valves, characterized by their spherical body and a movable disc that regulates flow via throttling; butterfly valves, utilizing a rotating disc to control flow; and check valves, designed to permit fluid flow in only one direction. Selection criteria typically involve nominal pipe size (NPS) or DN, pressure ratings (e.g., ANSI Class 150, 300, or PN10, PN16), and connection types such as NPT, BSPP, BSPT, flanged (e.g., ASME B16.5), or welded ends. Actuation methods range from manual levers or handwheels to pneumatic, hydraulic, or electric actuators. Common materials include brass, bronze, cast iron, ductile iron, carbon steel (e.g., A216 WCB), stainless steel (e.g., 304, 316), and various plastics like PVC or CPVC, chosen based on fluid compatibility, temperature, and pressure requirements. Internal trim materials, such as seat and seal compounds (e.g., PTFE, EPDM, Viton), are critical for sealing performance and longevity.
How to choose
When selecting plumbing valves, first define the fluid type, temperature, and pressure to establish material compatibility and pressure ratings (e.g., ANSI Class or PN). Second, determine the required flow control: on/off for isolation (ball, gate), throttling for regulation (globe, butterfly), or backflow prevention (check). Third, specify the connection type and size (e.g., 1" NPT, DN50 Flanged) to match existing piping. Fourth, consider the actuation method – manual for infrequent operation, or automated (electric, pneumatic) for remote or frequent cycling. Finally, evaluate space constraints and maintenance requirements, as some valve types offer more compact designs or easier in-line servicing.