Drain Valves | McMaster-Carr

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Air Compressor Drain Valves Air Condensate Drain Valves Automatic Drain Valves Boiler Drain Valves Compressed Air Condensate Drain Valves Compressed Air Drain Valves Compressor Drain Valves Condensate Drain Valves Drain Check Valves Drain Float Valves Drain Pipe Check Valves Electric Drain Valves Moisture Drain Valves Pneumatic Condensate Drain Valves Pneumatic Drain Valves Timer Drain Valves Zero-Loss Drain Valves

Additional Valves

Access Valves Acetal Pinch Valves Acetal Solenoid Valves Acetal Valves Actuated Ball Valves Actuated Butterfly Valves Actuated Valves ADA-Compliant Flush Valves Adjustable Pressure Relief Valves Adjustable-Flow Valves Air Check Valves Air Compressor Valves Air Conditioning Valves Air Control Valves Air Cylinder Control Valves Air Directional Control Valves Air Fill Valves Air Flow Control Valves Air Relief Valves Air Shut Off Valves Air Solenoid Control Valves Air Solenoid Valves Air Tank Valves Air Valves Air Vent Valves Air-Actuated Ball Valves Air-Actuated Valves Air-Driven Ball Valves Air-Driven Butterfly Valves Air-Driven Diaphragm Valves Air-Driven Piston Valves Air-Exhaust Ball Valves Air-Exhaust Valves Air-Release Valves Aluminum Air-Actuated Valves Aluminum Butterfly Valves Aluminum Relief Valves American Standard Flush Valves Angle Ball Valves Angle Globe Valves Angle Needle Valves Angle Piston Valves Angle Plug Valves Angle Stop Valves Angle Toggle Valves Angle Valves Angle-Seat Valves ANSI Butterfly Valves ANSI Check Valves ANSI Flush Valves Antiscald Shower Valves Anti-Siphon Valves Argon Pressure Regulating Valves ASCO® Red Hat-Compatible Solenoid Valves ASME Ball Valves ASME Check Valves ASME Flush Valves ASME Gate Valves ASME Pop-Safety Valves ASME Relief Valves Automatic Flush Valves Automatic Valves Backflow Valves Backflow-Prevention Valves Back-Pressure Relief Valves Ball Check Valves Ball Float Valves Ball Valves Barrel Valves Bicycle Tire Valves Bilok-Compatible Ball Valves Bilok-Compatible Needle Valves Blast Gate Valves Bleed Ball Valves Bleed Needle Valves Bleed Valves Block-and-Bleed Valves Blocking Valves Blowgun Valves Blowoff Valves Boiler Blow-Down Valves Boiler Blowoff Gate Valves Boiler Gate Valves Boiler Globe Valves Boiler Pop-Safety Valves Boiler Safety Valves Boiler Valves Brass Air Conditioning Valves Brass Air Tank Valves Brass Air-Actuated Valves Brass Ball Valves Brass Check Valves Brass Faucet Valves Brass Float Valves Brass Gate Valves Brass Globe Valves Brass Mixing Valves Brass Needle Valves Brass Pinch Valves Brass Plug Valves Brass Pop-Safety Valves Brass Pressure Regulating Valves Brass Push-Button Valves Brass Relief Valves Brass Saddle Valves Brass Sleeve Valves Brass Solenoid Air Control Valves Brass Solenoid Valves Brass Temperature Regulating Valves Brass Toggle Valves Brass Vacuum-Breaking Valves Brass Valves British Standard Thread Ball Valves British Standard Thread Globe Valves British Standard Thread Needle Valves British Standard Thread Valves Bronze Air-Actuated Valves Bronze Butterfly Valves Bronze Faucet Valves Bronze Float Valves Bronze Gate Valves Bronze Globe Valves Bronze Mixing Valves Bronze Needle Valves Bronze Plug Valves Bronze Pop-Safety Valves Bronze Pressure Regulating Valves Bronze Temperature Regulating Valves Bronze Vacuum-Breaking Valves Bronze Valves Bung Valves Butterfly Valves Bypass Ball Valves Bypass Plug Valves Bypass Relief Valves Carbon Dioxide Pressure Regulating Valves Carbon Steel Ball Valves Cartridge Valves Cast Iron Butterfly Valves Cast Iron Check Valves Cast Iron Float Valves Cast Iron Gate Valves Cast Iron Plug Valves Cast Iron Pop-Safety Valves Cast Iron Relief Valves Cast Iron Valves Check Valves Clamp-On Valves Clamp-Style Pinch Valves Cleaned and Bagged Ball Valves Cleaned and Bagged Globe Valves Cleaned and Bagged Valves Cock Valves Compressed Air Actuated Solenoid Valves Compressed Air Control Valves Compressed Air Lockout Valves Compressed Air Valves Compression Ball Valves Compression Needle Valves Compression Plug Valves Compression Saddle Valves Compression Toggle Valves Compression Valves Control Valves Coolant Hose Valves Coolant Valves Counterbalance Valves CPVC Ball Valves CPVC Butterfly Valves CPVC Check Valves CPVC Solenoid Valves CPVC Union Ball Valves CPVC Valves Cryogenic Globe Valves Cryogenic Regulating Valves Cryogenic Relief Valves Cryogenic Solenoid Valves Cryogenic Valves Cylinder Control Valves Cylinder Valves Dairy Valves Deadman Ball Valves Diaphragm Actuated Valves Diaphragm Valves Direct-Acting Solenoid Valves Direct-Acting Temperature-Regulating Valves Direct-Acting Valves Directional Control Solenoid Valves Directional Control Valves Directional Valves Dispensing Valves Diverting Ball Valves Diverting Plug Valves Diverting Valves Double Block-and-Bleed Valves Double-Acting Solenoid Valves Double-Union Ball Valves Drinking Fountain Valves Drip Leg Valves Drip Valves Drum Valves Dual-Check Backflow Prevention Valves Duct Valves Ductile Iron Butterfly Valves Ductile Iron Needle Valves Ductile Iron Valves Dump Valves Dust Collector Valves Elbow Ball Valves Elbow Globe Valves Elbow Needle Valves Elbow Plug Valves Elbow Toggle Valves Elbow Valves Electrically-Actuated Air Directional Control Valves Electrically-Actuated Air Valves Electrically-Actuated Ball Valves Electrically-Actuated Butterfly Valves Electrically-Actuated Valves Electrically-Actuated Water Valves Elliptic Ball Valves Elliptic Valves Emergency Stop Valves Emergency Wash Fountain Mixing Valves Emergency Wash Mixing Valves Emergency Wash Shower Mixing Valves Emergency Wash Station Mixing Valves Exhaust Control Valves Exhaust Toggle Valves Exhaust Valves Eye Wash Station Mixing Valves Faucet Valves FDA-Listed Ball Valves FDA-Listed Regulating Valves Fill Valves Filter Ball Valves Fire Hose Ball Valves Fire Hose Valves Fire Safety Valves Fire-Tested Ball Valves Fire-Tested Valves Flame-Check Valves Flanged Butterfly Valves Flange-Mount Check Valves Float Valves Flow Control Needle Valves Flow Control Valves Flow Valves Flush Valves Food Industry Regulating Valves Foot Valves Foot-Operated Air Control Valves Foot-Operated Control Valves Foot-Operated Valves Foot-Operated Water Flow Control Valves Four-Way Air Directional Control Valves Four-Way Hydraulic Directional Control Valves Four-Way Plug Valves Four-Way Solenoid Valves Four-Way Valves Frostproof Vacuum-Breaking Valves Fuel Ball Valves Fuel Plug Valves Fuel Shut-Off Valves Fuel Valves Fusible Link Valves Garden Hose Shut-Off Valves Gas Ball Valves Gas Check Valves Gas Mixing Valves Gas Pressure Regulating Valves Gas Shut-Off Fire-Safety Valves Gas Shut-Off Solenoid Valves Gas Shut-Off Valves Gas Solenoid Valves Gate Valves Gauge Valves Globe Valves Gradual On/Off Valves Gravity Check Valves Grip-Style Valves Grooved-End Butterfly Valves Gyrolok-Compatible Ball Valves Hand Valves Hands-Free Faucet Valves Helium Pressure Regulating Valves High-Vacuum Valves Horizontal-Lift Check Valves Hose Bibb Valves Hose Shut-Off Valves Hose Valves Hydraulic Control Valves Hydraulic Cylinder Valves Hydraulic Directional Control Valves Hydraulic Needle Valves Hydraulic Pump Valves Hydraulic Relief Valves Hydraulic Solenoid Control Valves Hydraulic Valves Hydrogen Pressure Regulating Valves Hydronic Valves Hydronic Zone Valves Inline Valves Instrumentation Ball Valves Instrumentation Valves Iris Valves Iron Butterfly Valves Iron Check Valves Iron Float Valves Iron Gate Valves Iron Plug Valves Iron Pop-Safety Valves Iron Relief Valves Iron Valves Irrigation Ball Valves Irrigation Solenoid Valves Irrigation Valves Isolation Valves Key-Operated Valves Knee Valves Knife Gate Valves Labcock Valves Laboratory Valves Let-Lok-Compatible Needle Valves Lever-Arm Ball Valves Lever-Arm Butterfly Valves Lever-Arm Float Valves Lever-Arm Gate Valves Lever-Arm Globe Valves Lever-Arm Plug Valves Liquid Relief Valves Liquid-Level Float Valves Liquid-Level Tank Valves Liquid-Level Valves Lockable Ball Valves Lockable Butterfly Valves Lockable Gate Valves Lockable Plug Valves Lockable Valves Lockout Control Valves Lockout Valves LOTO (Lockout/Tagout) Valves Low-Lead Check Valves LP Gas Ball Valves LP Gas Valves Lubrication Needle Valves Luer Lock Valves Manifold Valves Manual Air Control Valves Manual Air Valves Manual Compressed Air Valves Manual Valves Mechanically-Operated Air Control Valves Metal Air Directional Control Valves Metal Air Tank Valves Metal Air-Actuated Valves Metal Air-Driven Ball Valves Metal Butterfly Valves Metal Check Valves Metal Directional Control Valves Metal Faucet Valves Metal Float Valves Metal Gate Valves Metal Globe Valves Metal Hydraulic Control Valves Metal Mixing Valves Metal Needle Valves Metal Pinch Valves Metal Plug Valves Metal Pop-Safety Valves Metal Pressure Regulating Valves Metal Push-Button Valves Metal Relief Valves Metal Saddle Valves Metal Sleeve Valves Metal Solenoid Air Control Valves Metal Solenoid Valves Metal Toggle Valves Metal Vacuum-Breaking Valves Metal Valves Metering Needle Valves Metering Valves Metric Ball Valves Metric Globe Valves Metric Needle Valves Metric Valves Miniature Air Control Valves Miniature Air Directional Control Valves Miniature Air-Actuated Valves Miniature Ball Valves Miniature Check Valves Miniature Float Valves Miniature Mixing Valves Miniature Needle Valves Miniature Pressure Regulating Valves Miniature Relief Valves Miniature Solenoid Valves Miniature Valves Mixing Valves Mixing Valves for Shower Stations Modular Valves Molasses Valves Monday-Morning Valves Motor-Driven Ball Valves Motor-Driven Butterfly Valves Motor-Driven Valves Motorized Ball Valves Natural Gas Plug Valves Needle Valves NEMA Solenoid Valves Nitrogen Pressure Regulating Valves Non-Return Valves NSF/ANSI-Standard Ball Valves NSF/ANSI-Standard Butterfly Valves NSF/ANSI-Standard Check Valves NSF/ANSI-Standard Drinking Water Ball Valves NSF/ANSI-Standard Drinking Water Gate Valves NSF/ANSI-Standard Float Valves NSF/ANSI-Standard Gate Valves NSF/ANSI-Standard Solenoid Valves NSF/ANSI-Standard Valves Nylon Ball Valves Nylon Float Valves Nylon Pinch Valves Nylon Solenoid Valves Nylon Valves Oil Check Valves Oil Metering Valves Oil Sight-Feed Valves Oil Solenoid Valves On/Off Valves One-Way Air Valves One-Way Flow Valves Orifice Valves Oval-Handle Ball Valves Oxygen Pressure Regulating Valves Oxygen Service Valves Panel-Mount Ball Valves Panel-Mount Needle Valves Panel-Mount Toggle Valves Panel-Mount Valves Parker A-Lok-Compatible Ball Valves Parker A-Lok-Compatible Check Valves Parker A-Lok-Compatible Needle Valves Parker A-Lok-Compatible Valves Parker Hannifin® Gold Ring-Compatible Solenoid Valves Parker Valves Pedal Valves Petcock Valves PFA Check Valves Piercing Saddle Valves Piercing Valves Pilot Air-Actuated Valves Pilot Control Valves Pilot Valves Pilot-Operated Regulating Valves Pilot-Operated Solenoid Valves Pinch Valves Pipe Check Valves Piston Check Valves Piston Solenoid Valves Piston Valves Plastic Air-Actuated Valves Plastic Ball Valves Plastic Butterfly Valves Plastic Check Valves Plastic Drum Valves Plastic Faucet Valves Plastic Float Valves Plastic Gate Valves Plastic Globe Valves Plastic Mixing Valves Plastic Needle Valves Plastic Pinch Valves Plastic Plug Valves Plastic Pressure Regulating Valves Plastic Regulating Valves Plastic Relief Valves Plastic Solenoid Air Control Valves Plastic Solenoid Valves Plastic Valves Plug Valves Plumbing Valves Pneumatic Ball Valves Pneumatic Butterfly Valves Pneumatic Control Valves Pneumatic FRL Lockout Valves Pneumatic Isolation Valves Pneumatic Lockout Valves Pneumatic Regulating Valves Pneumatic Solenoid Control Valves Pneumatic Solenoid Valves Pneumatic Toggle Valves Pneumatic Valves Pneumatically-Actuated Valves Polycarbonate Solenoid Valves Polycarbonate Valves Polyester Needle Valves Polyester Pinch Valves Polyester Valves Polypropylene Air-Actuated Valves Polypropylene Ball Valves Polypropylene Check Valves Polypropylene Faucet Valves Polypropylene Float Valves Polypropylene Mixing Valves Polypropylene Needle Valves Polypropylene Plug Valves Polypropylene Valves Polysulfone Relief Valves Pop-Off Valves Poppet Check Valves Poppet Valves Pop-Safety Valves Precision Orifice Valves Pre-Rinse Spray Valves Pressure Regulating Valves Pressure Relief Valves Pressure Valves Pressure-Maintaining Relief Valves Pressure-Reducing Valves Propane Safety Valves Propane Tank Valves Propane Valves Proportional Ball Valves Proportional Solenoid Valves Proportional Valves ProPress-Compatible Valves Pulse Valves Purge Valves Push-Button Air Directional Control Valves Push-Button Valves Push-to-Connect Ball Valves Push-to-Connect Check Valves Push-to-Connect Needle Valves Push-to-Connect Plug Valves PVC Air-Actuated Valves PVC Ball Valves PVC Butterfly Valves PVC Check Valves PVC Faucet Valves PVC Float Valves PVC Gate Valves PVC Globe Valves PVC Needle Valves PVC Plug Valves PVC Relief Valves PVC Solenoid Valves PVC Union Ball Valves PVC Valves Quarter-Turn Valves Quick-Clamp Ball Valves Quick-Clamp Butterfly Valves Quick-Clamp Plug Valves Quick-Clamp Valves Quick-Exhaust Relief Valves Quick-Exhaust Valves Quick-Release Valves Radiator Valves Reduced Pressure Zone Valves Refrigerant Valves Regulating Valves Release Valves Relief Valves Reverse-Acting Valves Rotary Valves Rupture Disc Valves Saddle Valves SAE Thread Ball Valves SAE Thread Valves Safety Air Exhaust Gate Valves Safety Lockout Air Relief Valves Safety Lockout Slide Valves Safety Lockout Valves Safety Mixing Valves Safety Relief Valves Safety Shut-Off Valves Safety Valves Safety Wash Station Mixing Valves Sample Valves Sampling Valves Sanitary Ball Valves Sanitary Butterfly Valves Sanitary Check Valves Sanitary Diverting Valves Sanitary Plug Valves Sanitary Pressure-Regulating Valves Sanitary Quick-Clamp Valves Sanitary Sampling Valves Sanitary Valves Schrader Valves Screw-In Valves Selector Valves Service Valves Shower Valves Shut-Off Control Valves Shut-Off Fire-Safety Valves Shut-Off Garden Hose Valves Shut-Off Plug Valves Shut-Off Solenoid Valves Shut-Off Toggle Valves Shut-Off Valves Shuttle Valves Sight-Feed Needle Valves Sight-Feed Valves Silent Check Valves Sillcock Valves Sink Faucet Valves Sleeve Valves Slide Gate Valves Slide Sleeve Valves Slide Valves Sloan Flush Valves Soap Dispenser Valves Socket-Weld Ball Valves Socket-Weld Gate Valves Socket-Weld Globe Valves Socket-Weld Needle Valves Soft-Start Valves Solder-End Ball Valves Solder-End Globe Valves Solenoid Control Valves Solenoid Valves Solenoid Valves for Lubrication Pumps Speed Control Valves Spool Valves Spring Check Valves Spring Return Valves Spring-Return Ball Valves Sprinkler Valves Stainless Steel Air Control Valves Stainless Steel Air-Actuated Valves Stainless Steel Air-Driven Ball Valves Stainless Steel Ball Valves Stainless Steel Butterfly Valves Stainless Steel Check Valves Stainless Steel Faucet Valves Stainless Steel Float Valves Stainless Steel Gate Valves Stainless Steel Globe Valves Stainless Steel Mixing Valves Stainless Steel Needle Valves Stainless Steel Pop-Safety Valves Stainless Steel Relief Valves Stainless Steel Solenoid Valves Stainless Steel Toggle Valves Stainless Steel Vacuum-Breaking Valves Stainless Steel Valves Standard Solenoid Valves Standard Toilet Flush Valves Steam Air-Actuated Valves Steam Globe Valves Steam Mixing Valves Steam Service Ball Valves Steam Service Valves Steam Trap Valves Steam Valves Steel Butterfly Valves Steel Check Valves Steel Gate Valves Steel Globe Valves Steel Needle Valves Steel Pinch Valves Steel Valves Stop Cock Valves Stop Valves Strainer Valves Suction Strainer Foot Valves Suction Valves Sump Pump Check Valves Sump Pump Valves Swagelok®-Compatible Ball Valves Swagelok®-Compatible Check Valves Swagelok®-Compatible Needle Valves Swagelok®-Compatible Valves Sweat-End Ball Valves Sweat-End Gate Valves T & P Valves Tamper-Resistant Air Flow Control Valves Tamper-Resistant Valves Tandem Valves Tank Valves Tap Valves Temperature Control Valves Temperature Regulating Valves Tempering Valves T-Handle Ball Valves Thermostatic Mixing Valves Thermostatic Valves Three-Piece Ball Valves Three-Way Air Directional Control Valves Three-Way Air Valves Three-Way Ball Valves Three-Way Plug Valves Three-Way Solenoid Valves Three-Way Valves Throttle Butterfly Valves Throttle Globe Valves Throttle Needle Valves Throttle Valves Timer Valves Tire Valves Tire-Style Valves Toggle Valves Toilet Fill Valves Toilet Flush Valves Toilet Shut-Off Valves Toilet Tank Flush Valves Toilet Valves Torch Check Valves Touch-Free Faucet Valves Tri-Clamp Valves Triple-Union Ball Valves Truck Valves True Union Ball Valves Tubing Ball Valves Tubing Gate Valves Tubing Globe Valves Tubing Pinch Valves Tubing Plug Valves Tubing Saddle Valves Tubing Toggle Valves Tubing Valves Two-Way Air Valves Two-Way Valves Tylok-Compatible Ball Valves Tylok-Compatible Needle Valves Union Ball Valves Union Check Valves Union Connection Ball Valves Unloader Valves Urinal Flush Valves Vacuum Ball Valves Vacuum Check Valves Vacuum Isolation Valves Vacuum Regulating Valves Vacuum Relief Valves Vacuum Valves Vacuum-Breaking Bleed Valves Vacuum-Breaking Valves Valves Vented Ball Valves Vented Gate Valves Venting Valves Wafer Check Valves Wafer Valves Wash Station Mixing Valves Washing Machine Shut-Off Valves Washing Machine Valves Washing Machine Water Valves Waste Valves Water Check Valves Water Flow Control Foot Valves Water Flow Control Valves Water Fountain Valves Water Heater Valves Water Mixing Valves Water Solenoid Valves Water Supply Shut-Off Valves Wedge-Handle Ball Valves Welding Check Valves Welding Torch Check Valves Welding Torch Valves Whistle Globe Valves Whistle Valves Wye Valves Yor-Lok Toggle Valves Y-Pattern Check Valves Y-Strainer Ball Valves Y-Style Ball Valves Y-Style Check Valves Y-Style Valves Zinc-Alloy Pinch Valves Zinc-Alloy Valves Zone Control Valves

	Inlet Pipe Size Inlet Pipe Size

	For Use With For Use With

Hydraulic
Fluid

	Handle Style Handle Style


Wing Nut	Thumb Screw

T-Handle	Knob

Wheel

	Maximum Pressure Maximum Pressure

	Body Material Body Material

	Inlet Gender Inlet Gender

	Outlet Connection Type Outlet Connection Type


Drain	Pipe

Tube	Hose

	Inlet Connection Type Inlet Connection Type


Pipe	Tube

	Valve Operation Valve Operation

	Seal Type Seal Type

	Valve Type Valve Type

Pressure
Regulator

	Pipe Size Pipe Size

	Thread Type Thread Type

	Connection Type Connection Type


Pipe	Hose

	Valve Function Valve Function

Flow Adjustment

Flow Regulation

Pressure Regulation

Directional Control

	Height Height

	Shape Shape


45° Elbow	70° Elbow

90° Elbow	Straight

	Maximum Temperature Maximum Temperature

Less than 125° F

125° to 149° F

150° to 199° F

200° to 249° F

250° F or greater

	Actuation Actuation

Electric
(Solenoid)

	Outlet Pipe Size Outlet Pipe Size

	Voltage Voltage

	Material Material

	For Tube ID For Tube ID

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232 Products

Level Control

Drainage Valves

Drainage Valves

Also known as stop cocks, install these valves on your tank for easy draining.

Float Valves

Float Valves

When the contents of your container reach a set level, these valves open or close a pipe connection to empty or fill. Also known as ballcocks or balltaps.

Other Drain Valves

Threaded Flow-Adjustment Valves

Threaded Flow-Adjustment Valves

Valves are for use with water, oil, air, inert gas, and steam. They gradually open and close to adjust and regulate flow.

Compressed Air Drain Valves

Faucets with Garden Hose Outlet

Faucets with Garden Hose Outlet

These faucets have a pipe or tube connection inlet and garden hose thread (GHT) outlet.

Floor Drain Backflow Preventers

Floor Drain Backflow Preventers

Put an end to water damage from backed-up sewers. When water backs up, the rubber float will rise to seal off the drain. When water recedes, the float will drop for normal drainage.

Sink Faucets

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Hydraulic Valves

Hydraulic Valves

Control the speed, direction, and pressure of fluid in a hydraulic system.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)