Way Valve
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US $456.00
Non Return valves in fluid systems
Non Return Valve
for more
NON RETURN VALVE
A check valve, clack valve, non-return valve or one-way valve is a mechanical device, a valve, which normally allows fluid to flow through it in only one direction.
Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave.
Types of check valves
Ball check valve -
is a check valve in which the closing member, the movable part to block the flow, is a spherical ball. In some (but not all) ball check valves, the ball is spring-loaded to help keep it shut. For those designs without a spring, reverse flow is required to move the ball toward the seat and create a seal
Diaphragm check valve -
uses a flexing rubber diaphragm positioned to create a normally-closed valve. Pressure on the upstream side must be greater than the pressure on the downstream side by a certain amount, known as the pressure differential, for the check valve to open allowing flow. Once positive pressure stops, the diaphragm automatically flexes back to its original closed position.
Swing check valve or Tilting disc check valve -
is check valve in which the disc, the movable part to block the flow, swings on a hinge or trunnion, either onto the seat to block reverse flow or off the seat to allow forward flow. The seat opening cross-section may be perpendicular to the centerline between the two ports or at an angle
Stop-check valve -
is a check valve with override control to stop flow regardless of flow direction or pressure. In addition to closing in response to backflow or insufficient forward pressure (normal check-valve behavior), it can also be deliberately shut by an external mechanism, thereby preventing any flow regardless of forward pressure.
Lift-check valve -
is a check valve in which the disc, sometimes called a lift, can be lifted up off its seat by higher pressure of inlet or upstream fluid to allow flow to the outlet or downstream side. A guide keeps motion of the disc on a vertical line, so the valve can later reseat properly. When the pressure is no longer higher, gravity or higher downstream pressure will cause the disc to lower onto its seat, shutting the valve to stop reverse flow.
Duckbill valve -
is a check valve in which flow proceeds through a soft tube that protrudes into the downstream side. Back-pressure collapses this tube, cutting off flow.
About the Author
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One Way Valve $5.45 One Way Valve for 50cc 2-stroke 1DE41QMB engines Length: 22.84mm Diameter (small end): 2.93mm Diameter (large end): 5.67mm |
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One-Way Valve Assembly $10.9 One-Way Valve for 50cc 4-stroke QMB139 engines. Shop our wide selection of scooter parts , gas scooters , electric scooters , and motorized scooters for sale. Length: 51 mm Width: 26a mm |
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Laerdal One-Way Valve for Pocket Masks $14.54 Laerdal One-Way Valve for all Laerdal Pocket Masks |
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One-Way Valve Cover & Seat $8.92 One-Way Valve Cover & Seat for 50cc 4-stroke QMB139 engines. Shop our wide selection of scooter parts , gas scooters , electric scooters , and motorized scooters for sale. 3 Bolt Mount Length from Top to Bottom: 68 mm Width at Bottom Bolt Holes: 52 mm |
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CPR One-Way Valve Face Shield $8.99 CPR one-way valve face shield is a way to stop ingestion of harmful bacteria. CPR One-Way Valve Face Shield stop ingestion of harmful bacteria. Perform CPR without the risk of swallowing bacteria-filled saliva.Rescue Breather face shield blocks saliva transfer with mouth-to-mouth barrier.Large soft shield conforms comfortably to facial contours.Features one-way valve, preventing a backflow of air or liquid contaminants.Shield wraps around the patient's ear, securing it in place. |
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Sp2189-B2 - Valve 2 Way $32.4 [SP2189-B2] UPC: 86620130 |
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One Way Valve For 8040 8040A 8039 $24.51 One Way Valve. Accessory used with Laerdal pocket masks. Essential wellness starts here. Satisfaction ensured. Outstanding quality and value. |
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Dynarex CPR Shield with One Way Valve, 100/cs $124.02 Features of the Dynarex CPR Shield:* A lightweight face shield to prevent mouth to mouth contact during CPR. * One way valve eliminates blow back to caregiver. * Individually poly bagged. * Contains detailed instruction sheet. |
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One-Way Winter Pool Valve For Inground Pools $15.99 One-Way Winter Pool Valve for Inground PoolsNo More Draining your Pool for the Winter! Our specially designed One-Way Pool Valve is a real time-saver during winter pool closing. Itprevents pool water from entering the return lines while you winterize - without having to drain the pool. Simply replace the current "eyeball" return fitting with this new winterizing Valve. Then drain the water inside the plumbing lines, fill them with Pool Antifreeze and youll successfully keep water from re-entering the line during the off-season. |
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Complete Medical 14000B Cpr Mask One Way Valve with Filter $20.99 Cpr Mask One Way Valve with Filter. Manufactured to the Highest Quality Available. Satisfaction Ensured. Huge selection to choose from. |
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Aquarium Fishing Tank 7 Way Air Control Lever Valve $11.2 Description:Aquarium Fishing Tank 7 Way Air Control Lever Valve.7 Way Air Valve for high power air pumps, with 7 individually controlled outlets.Having multiple tanks in fish room, it distributes the air to each tank as much as you wish.7 outlet nickle-plated Air Control Lever Valve with controlled lever.Excellent air distribution and control Fishing Tank Air Valve.Branch outlet valve: 3mm(diameter)Outlet valve diameter: 3mmTotal length: 14.5cmWeight: 73.6gPackage content:1 x 7 Way Aquarium Lever Valve |
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AccuAir Gang Valve - 3 Way $2.49 Accuair 3-Way Gang Valves allow you to control the flow of air to up to 3 accessories in the tank. Accuair features needle valves and large, easy to turn knobs for accurate adjustments. |
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AccuAir Gang Valve - 4 Way $2.79 Accuair 4-Way Gang Valves allow you to control the flow of air to up to 4 accessories in the tank. Accuair features needle valves and large, easy to turn knobs for accurate adjustments. |
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Lees Pet Products ALE14115 12Cd Plastic 3 Way Valve $23.82 Plastic 3 Way Valve. This convenient packaging displays 12 tearoff blister cards with individual UPCs on the back. Packaging 12/Tearoff Blister card. |
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3mm Diameter 9 Way Outlet Air Control Aquarium Lever Valve $12.2 Description:3mm Diameter 9 Way Outlet Air Control Aquarium Lever Valve.Control the flow of vital O2 from your pond aerator or aquarium air pump with this handy Air Control Valve.Lever valve let you operate it easily.Nickel-plated lever Aquarium Lever Valve can be used for aquarium and aquaculture applications.With the nickel-plated material.The outlet of 3mm Diameter Aquarium Valve can be connected to aquarium tubing.Branch outlet valve: 3mm(diameter)Outlet diameter: 3mmWeight: 91.7gPackage content:1 x 9 Way Outlet Valve |
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Model 9530: Deck-mount Two-way Diverter Valve - Polished Chrome $216 Deck-mount two-way diverter valve. The KOHLER deck-mount two-way diverter valve features solid brass construction for durability and reliability. Code-approved for backflow prevention, you can rely on this valve to keep your bathing fixtures functioning properly. It is available in an array of KOHLER finishes to meet a variety of design visions. - Can be wall-mounted up to 1-1/4" wall thickness |
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Gilmour Aluminum 4 Way ShutOff Valve Connector AY4FFM $33.31 Shutoff valve connector. More performance from sprinklers and nozzles. Heavyduty aluminum construction. Extra large handles for easy grip and turn. Easy on swivel connector. Withstands hot water temperatures. 45 percent more water flow. 4 way valve design |
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Wholesale 1000pcs Aquarium Check Valve $194.74 Aquarium Check Valve for Air Pump&CO2 Diffuser Check valve Air pump, Co2 one way valve aquarium |
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2 Way Double Ended Valve Stem Core Remover Repair Tool $6.49 Description:2 Way Double Ended Valve Stem Core Remover/Installer Float TubesValve Core Remover is useful of its two way designDouble Ended Core Remover: One end fits standard bore, one fits largerFloat Tubes Installer is great for letting the air out of inner tubes after floating the river or snow tubingGreat for tire changer operation and repair.Will work on any inflateable with a valve stem and core. (tires, inner tubes, ....etc)Color: redSize: 12.3 x 1.5cmWeight: 29.5gPackage:1 x Valve Stem Remover |
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Raleigh 1 Way Dual Valve Mini Bike Pump. $5.99 Swivel head.Folding t-handle.Reversible valve head.Fitting bracket.EAN/MPN/UPC/ISBN: 5023857361099. |
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Kohler K-9530-CP Polished Chrome Deck-Mount Two-Way Diverter Valve $401.21 The Kohler K-9530-CP Polished Chrome Deck-Mount Two-Way Diverter Valve is designed to fashionably match your decor. The K-9530-CP features solid brass construction for durability and reliability.Faucet Type: Deck-mount two-way diverter valveNumber of Handles: Singe-HandleFaucet Finish: Polished ChromeHandle Shape: RoundCan be wall-mounted up to 1-1/4 inch wall thicknessab1953 certified |
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Complete Medical 8002A Cpr Adult Pocket Mask with One Way Valve $23.63 Masks. For Adult. The CPR Pocket Mask is a mouthtomask resuscitator used for the treatment of adults who are not spontaneously breathing. Masks come in poly wrapped plastic with instruction card and oneway valve. |
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Complete Medical 8002B Cpr Child Pocket Mask with One Way Valve $23.63 The CPR Pocket Mask is a mouthtomask resuscitator used for the treatment of adults who are not spontaneously breathing. Masks come in poly wrapped plastic with instruction card and oneway valve. Child. Manufactured to the Highest Quality Available. Satisfaction Ensured. |
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Accuair Gang Valve Single $1.79 AccuAir Gang Valve If you don't like the air-flow of your current air-powered device, do not worry. You have the option to keep your set-up and adjust the air flow with the AccuAir Gang Valve. It attaches to the airline tubing with a bracket screw and you can make the air go as fast or slow as you want. Features: -Has control knobs which allow for precise adjustment of air-flow. -Can be mounted to top of the aquarium to keep access easy. -Use on airstones, bubbles, and air-powered decorations. -Great for saltwater and freshwater tanks. Item Specifications: Sizes: Single Valve 2 Way Valve 3 Way Valve 4 Way Valve |
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Accuair Gang Valve 4Way $2.79 AccuAir Gang Valve If you don't like the air-flow of your current air-powered device, do not worry. You have the option to keep your set-up and adjust the air flow with the AccuAir Gang Valve. It attaches to the airline tubing with a bracket screw and you can make the air go as fast or slow as you want. Features: -Has control knobs which allow for precise adjustment of air-flow. -Can be mounted to top of the aquarium to keep access easy. -Use on airstones, bubbles, and air-powered decorations. -Great for saltwater and freshwater tanks. Item Specifications: Sizes: Single Valve 2 Way Valve 3 Way Valve 4 Way Valve |
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Accuair Gang Valve 2Way $1.99 AccuAir Gang Valve If you don't like the air-flow of your current air-powered device, do not worry. You have the option to keep your set-up and adjust the air flow with the AccuAir Gang Valve. It attaches to the airline tubing with a bracket screw and you can make the air go as fast or slow as you want. Features: -Has control knobs which allow for precise adjustment of air-flow. -Can be mounted to top of the aquarium to keep access easy. -Use on airstones, bubbles, and air-powered decorations. -Great for saltwater and freshwater tanks. Item Specifications: Sizes: Single Valve 2 Way Valve 3 Way Valve 4 Way Valve |
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Accuair Gang Valve 3Way $2.19 AccuAir Gang Valve If you don't like the air-flow of your current air-powered device, do not worry. You have the option to keep your set-up and adjust the air flow with the AccuAir Gang Valve. It attaches to the airline tubing with a bracket screw and you can make the air go as fast or slow as you want. Features: -Has control knobs which allow for precise adjustment of air-flow. -Can be mounted to top of the aquarium to keep access easy. -Use on airstones, bubbles, and air-powered decorations. -Great for saltwater and freshwater tanks. Item Specifications: Sizes: Single Valve 2 Way Valve 3 Way Valve 4 Way Valve |
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Three Way Plastic Valve - 2 pk $1.49 These valves are made of high-quality, non-corrosive plastic material. Use to control air flow from the air pump. |
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Two Way Plastic Valve - 2 pk $1.39 These valves are made of high-quality, non-corrosive plastic material. Use to control air flow from the air pump. |
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