Top Plastic Check Valves

uxcell Nickel-Plated Copper One Way Air Check Valve G 1/4 Female Threaded Full Port Check Valve 2Pcs

  • Function: the check valves are applicable for fluid systems to prevent countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air.
  • Material and size: the one way check valves are made of PVDF, sturdy, wear-resistant and durable for long-term use.
  • Each check valve measures 6.3 mm/ 1/4 inches, the total length is 38 mm/ 1.50 inches.
  • Features: the pipe port of the check valve is designed with a pagoda-shaped card slot, non-slip and non-toxic, with good airtightness and good adsorption performance.
  • Easy to install: the non-return check valve is easy to install, convenient for you to unscrew and replace.
  • Application: the non-return check valves are widely applied for automotive parts, machinery industry, household appliances, agriculture, etc..
Check Stock

Habitech 2-Pack In-Line Barbed Ball Valve 13mm For 1/2 Inch Tubing .520 ID - Regulate and Shut-Off/On Water Flow

  • ...ual dripline control, use as tank valves, drain valves, return valves or in any situation where fluid restriction is needed. For use with irrigation, aquarium plumbing, pump return line, saltwater applications, RV camper and trailers, pex tubing, hydroponics, and aquaponics..
  • Leak-Free Seal: These non-corrosive plastic flow valve fittings are guaranteed to provided a secure, watertight connection that handles an operating pressure of up to 45 PSI. Constructed to be wear-resistant to assure long term reliability of connections. Confidently install these barbed fittings without clamps by using our Valve Sizing Chart (see photo) to get the perfect fit. Match the ID (Inner Diameter) of your hose or tube with the acceptable IDs listed on the chart..
Check Stock

PVC True Union Check Valve 1’’ Slip Swing Full Port Utility Check Valve Sch80 Socket Pool Ball Check Valve for Backflow Prevention

  • 【PVC Ball Check Valve】Schedule 80 PVC ball check valves have a spherical ball inside the valve body which works as a check to allow flow in one direction and close off to prevent back-flow..
  • 【INSTALLATION TIP】PVC union check valves are designed for VERTICAL installations, MUST be used in an upflow position to work properly. Check valves MUST be installed with the valve's flow arrow pointing in the direction of the flow. Do not install valve upside down.（NOTE: NO SPRING).
  • 【PVC Union Check Valve】True union check valve, can be taken apart for cleaning, allows for easy removal without breaking down the piping connection..
  • 【Material】1'' Slip check valve made of PVC material, O-ring with EPDM material, low-temperature-resistant, impact-resistance, ultraviolet-resistance, rust-resistance. Fits for Schedule 80 1 Inch Pipe..
  • 【Application】PVC Swing Check Valve 1’’(DN25) - Non-return or "one way" valve is ideal for flow control, such as commercial plumbing, aquariums, irrigation, swimming pools, water parks and OEM applications..
Check Stock

Ultimate Washer Replacement for General Pump Check Valves KIT001 Kit 1 New Valves + O-Rings

  • Replacement for General Pump Check Valves Kit - Kit 1, Valves and O-Rings (K01).
  • Complete Valve Kit Includes Six O-rings and Six Check Valves Complete.
  • High Quality Material for Best Performance.
Check Stock

Stainless Steel SS316 NPT 2 Swing Check Valve WOG 200 PSI PN16 CF8M

  • Body Material:Stainless Steel 316,200PSI/PN16,ANSI B1.20.1.
  • Working Pressure 200 WOG,Port Types:Female x Female threaded.
  • Temperature range: -60 to 450 degree Fahrenheit,Suitable for full range of liquids and gas.
  • Check valves are used to help direct flow in one direction. The stainless steel bodies and PTFE seals are highly corrosion resistant allowing these check valves to be used with a wide variety of fluids including, but not limited to water, oil, gas, air, light alkali's, acids, biodiesel, fuels and alcohols..
  • Swing check valves are for horizontal use only. When fluid pushes on the stopper in the correct direction, it will "swing" open to allow flow. If flow moves in the opposite direction, it will swing shut. The check valve cannot be used in vertical applications as gravity may affect the function of the swinging motion..
Check Stock

Y-Axis 49 Pcs Aquarium Air Pump Accessories with Airline Connectors, Airline Splitters, Bubble Stones, Check Valves and Suction Cups for 3/16 '' Fish Tank Pond Airline

  • You will get 49 Pcs Aquarium Air Pump Accessories- 1 Pcs 4 Way Airline Splitter + 2 Pcs Air Control Valve + 4 Pcs Non-Return Check Valves + 10 Pcs Suction Cups + 30 Pcs Airline Connectors ( including 6x Cross Connectors + 6 x Y Connectors + 6 x T Connectors + 6x L Connectors + 6 x I Connectors.).
  • 【Non-Return Check Valves】Small and compact, which protect you air pump by preventing aquarium water from back siphoning during a power outage. Detachable design makes it easier for you to unscrew, clean and repair..
  • 【Ceramic Air Stones Diffuser】These bubbles stones provide oxygen for fish to breathe, and lower CO2 level.
  • Durable and sturdy material, washable. Safe and non-toxic to your fish, perfect for aquarium, fish tank, pond, hydroponics..
  • 【Air Tubing Connectors】 5 shape connectors available meets various needs. Made of plastic for long-time use, healthy and non-toxic. Great accessories for your fish tank tube,air pump,check valve,bubble stone connection..
  • If you are unhappy with these product, we'll get it replaced or issue you a full refund, no questions, no charge, no kidding..
Check Stock

AQUANEAT Aquarium Airline Tubing, Standard 3/16\ Tubing, Air Pump Accessories,with Air Stones, Air Pump Valves, Suction Cups and Connectors (Clear, 14Feet)

  • Package Includes：14feet clear tubing,2pcs 1" air stones,2pcs check valves,2pcs clear T connectors,6pcs clear suction cups.
  • Airline tubing: standard 3/16" diameter common to most airline accessories.
  • Air stones: durable and can produce fine bubbles continuously to diffuse oxygen efficiently in your fish tank.
  • Check valves: place these air pump check valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.
  • Suction cups and T connectors: fit 3/16 inch ID standard airline tubing.
Check Stock

DAN SPEED S316 Stainless Steel Vertical Check Valve,Spring Loaded In-line Low Cracking Pressure 2 inch

  • Body Material:Stainless Steel SUS/SS316,Cracking Pressure:4.5 psi.
  • Working Temperature:-51°C to 232°C (-60°F to 450°F),Seals:NBR.
  • Max Pressure:1000 Psi For Water,Oil,Gas (WOG1000),Port Types:BSPP Female x BSPP Female.
  • Vertical check valves may be used for any application. They utilize a spring system which shuts the Disc closed when there is not enough pressure to hold it open by the operating fluid. Fluid pressure in the backwards direction will cause the valve to close to prevent backflow.
  • Check valves are used to help direct flow in one direction.The stainless steel bodies and PTFE seals are highly corrosion resistant allowing these check valves to be used with a wide variety of fluids including, but not limited to water, oil, gas, air, light alkali's, acids, biodiesel, fuels and alcohols.
Check Stock

Rhinox Aquarium Airline Tubing Set, DIY CO2 Diffuser Kit, 6-Feet Airline Tubing, 2 Air Stones and Check Valves, 4 Connectors, 6 Suction Cups

  • ... Airline Setup --- All-inclusive and ready to install, the Rhinox Aquarium Airline Tubing Set contains all the required parts needed to set up your air pump system. Each kit comes complete with high quality connectors and check valves, secure suction cups, two air stones and 6 feet of clear airline tubing..
  • Flexible Plastic Tubing --- It is crucial that the airline tubing in your water pump system is made with a durable and reliable plastic material that is bendable. The 3/16” airline tubing from Rhinox is strong enough not to break under pressure, yet flexible enough to wrap around your aquarium equipment without getting snagged or affecting the air flow..
  • Flexible Plastic Tubing --- All of the components of the Rhinox Aquarium Airline Tubing Set are designed to be compact and discreet to add very little distraction to your underwater environment. The airline tubing, suction cups, and connectors ar....
Check Stock

ANPTGHT One Way Check Valve 1/8 3MM Hose Barb Non Return Ozone Resistance Plastic Valve for Water Fuel Oil Air Gas Pack of 3

  • 【Material】 Plastic barb connector, made of high-quality PVED material.
  • 【Size】 1/8" OD One Way Check Valve，Can fit 1/8" hose ID.
  • 【Function】The check valves are applicable for fluid systems to prevent countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air..
  • 【Performance】Hose barb check valve’s Opening pressure: 0.5 Kpa, Maximum back pressure: 300Kpa. Normal performance under 25 ℃ to 60 ℃,Strong resistance to acid, alkali, salt corrosion ability.
  • 【Design】The check valve is designed with a non-slip card slot inside, which has strong adsorption performance, prevents falling off, non-toxic, and has air tightness..
Check Stock

Lisle 22920 8 mm Low Profile Jiffy-Tite Disconnect Tool

  • Disconnects quick connect push-in connectors found on heavy-duty truck air systems and more.
  • Smallest size also works on automatic adjusting air suspension systems for automobiles.
  • Disconnects air systems on brakes, suspension, steering, engine, transmission and other auxiliary equipment.
  • Also disconnects other quick connect push-in fittings, including: flow control valves, check valves, shuttle valves, quick exhaust valves and other function control fittings in compressed air systems.
  • Each tool is double-ended to disconnect air lines even in hard-to-reach areas, angled end allows maximum leverage, smaller end fits in tight spots.
  • Set comes with five popular sizes: 1/8"-5/32.
Check Stock

AC Compressor Control Solenoid Valve Replacement Compatible with VW Audi Sanden BOLT DOWN STYLE PXE16 PXE13 MK5

  • Highest quality control valve available GUARANTEED! Our valves use the highest quality materials. Be cautious of cheap valves as most are factory B stock from sanden and have an incredibly high failure rate!.
  • PLEASE PHYSICALLY CHECK YOUR A/C COMPRESSOR BEFORE ORDERING several different manufactures for the AC compressor were use! This solenoid is ONLY COMPATIBLE WITH SANDEN PXE16 PXE13 COMPRESSOR VALVE HELD IN WITH A BOLT!.
  • Compatible with many Volkswagen / Audi applications from 2006 + including Jetta and Golf TDI. The OEM and other aftermarket brand solenoid have an EXTREMELY high failure rate! Will cause intermittent / no AC issues.
  • WILL ONLY FIT SANDEN COMPRESSORS WITH VALVES HELD IN WITH A BOLT! PLEASE PHYSICALLY CHECK YOUR COMPRESSOR BEFORE ORDERING!.
Check Stock