Best Combined Non return Check Valves

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.
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Check Valve PVDF Wear-Resistant One-Way Check Valve for Fuel Gas Liquid Air 1/4 Inch 6 mm 2

  • Effective performance: our check valves can effectively prevent countercurrent liquids for fluid system or backward flow of compressed air for....
  • Durable material: made of quality PVDF material which is stable and durable to use, has nice wear-resistant feature, not easy to rust or break, can....
  • Size information: our check valve measures approx. 6.3 mm/ 1/4 inch in diameter and 38 mm/ 1.5 inches in full length, please make sure the size is....
  • Considerate design: our port of the check valve is designed with a pagoda-shaped card slot, non-slip and non-toxic to use, contains good airtightness....
  • Versatile applications: these check valves are suitable for applying for automotive part, machinery industry, household appliances, agriculture and so....
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Saricho aquarium air pump accessories set-9.84/26.25/101.71 feet aquarium airline tubing hose,check valves,air stones and connectors of I,L,T shape (26.25 feet hose 8 stone 8 check valve 12 connector)

  • 1.Full package ：The air pump accessories set for aquarium includes a 26.25-feet flexible aquarium air tubing hose,12 aquarium tubing connectors of three different shapes（ILT-shape）, 8 aquarium hose check valves, and 8 air stones for aquariums, which can be freely matched and combined according to your needs.
  • 2.PVC hoses for aquarium：The fish tank airline hoses are made of high-quality PVC material，flexible,durable and without kinking,the airline tubing hoses for fish tank are .suitable for fresh water and salt water and can be freely cut according to the needs of use.
  • 3.Aquarium hose Connectors of different shapes（I/L/L shape）:.According to needs,you can choose fish tank tubing connectors of different shapes to link two or more aquarium hoses .The T-shaped Aquarium connector can choose two ports to connect fish tank hose to the aquarium air pump, and the remaining ports are connected to the fish tank air stones..
  • 4.Fish tank hose Check valves: The aquarium check valves can prevent the water in the fish tank from flowing back into the aquarium air pump.When the fish tank air pump stops working or is in a low position. The aquarium tubing check valve needs to be installed between the fish tank air pump and the aquarium air stones in the corr....
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Saricho Aquarium air Pump Accessories Set-9.84/26.25/101.71 feet Aquarium Airline tubing Hose,Check valves,air Stones and connectors of I,L,T Shape (101.71feet Hose 12stone 12check Valve 18connector)

  • 1.Full package ：The air pump accessories set for aquarium includes a 101.71-feet flexible aquarium air tubing hose,18 aquarium tubing connectors of three different shapes（ILT-shape）, 12 aquarium hose check valves, and 12 air stones for aquariums, which can be freely matched and combined according to your needs.
  • 2.PVC hoses for aquarium：The fish tank airline hoses are made of high-quality PVC material，flexible,durable and without kinking,the airline tubing hoses for fish tank are .suitable for fresh water and salt water and can be freely cut according to the needs of use.
  • 3.Aquarium hose Connectors of different shapes（I/L/L shape）:.According to needs,you can choose fish tank tubing connectors of different shapes to link two or more aquarium hoses .The T-shaped Aquarium connector can choose two ports to connect fish tank hose to the aquarium air pump, and the remaining ports are connected to the fish tank air stones..
  • 4.Fish tank hose Check valves: The aquarium check valves can prevent the water in the fish tank from flowing back into the aquarium air pump.When the fish tank air pump stops working or is in a low position. The aquarium tubing check valve needs to be installed between the fish tank air pump and the aquarium air stones in the c....
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Check Valve 3/8 Inch 10 mm ABS Plug-in Check Valve Fuel Oil Water Gas Air One-Way Check Valve for Liquids and Gases 6 Pieces

  • Material: this check valve is made of ABS plastic, and the internal valve core is made of silicone, ABS plastic has high hardness, good heat resistance and corrosion resistance, strong resistance to acids and alkalis, and is resistant to organic solvents to some extent.
  • Suitable size: you will get 6 no-return check valves with a size of 3/8 inch, which is 1.61 inches long, enough quantity to meet your use of check valves in different situations to prevent fluid backflow.
  • Function introduction: 3/8 check valve is applied in fluid system to prevent fluid backflow, or applied in pneumatic system to prevent compressed air backflow.
  • This check valve can be applied in the temperature range of -20 degrees Celsius to 70 degrees Celsius.
  • Widely use: one-way valve can be applied in water process, air purification, automobile parts, machinery industry, household appliances, etc., to effectively prevent backflow of the medium.
  • Note: when installing the check valve, pay special attention to the flow direction of the medium.
  • The normal flow direction of the medium should be consistent with the arrow direction indicated on the valve body, otherwise the normal flow of the medium will be cut off.
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Victor 0382-0093 315FC 300 Series \VanGuard\ Heavy Duty Torch Handle, 9\ Length

  • Gas Service: Works with all fuel gases (pressure restrictions for different gases).
  • Built in flashback arrestors with no need for accessory flash arrestors.
  • Built in reverse flow check valves with no need for accessory check valves.
  • Features Victor traditional threaded assemblies for economical repair if service is necessary.
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sumerain Brushed Brass Shower System Pressure Balance Shower Faucet, 8 Inches Square Rain Shower Head and Hand Shower, Including Rough-In Valve

  • 1. C-UPC certified and anti-scald cartridge: Ensure 5 years no-leakage of cartridge.advanced pressure balance ceramic disc cartridge with C-UPC certification can effectively protect you and your family from scalding injury caused by sudden changes in hot or cold water pressure, maintaining consistent safe water temperature..
  • 2.Shower systems with rain shower and handheld, rough-in valve with standard American NPT 1/2" male threads for firmly connection and good sealing, avoids any leakage and prevents flooding in your house..
  • 3.Cold and hot water inlets with non-return check valves, prevent backflow and water hammer, reduce the noise when you turn on the faucet. It can protect your other facilities in the waterways..
  • 4.Shower system brushed nickel with pressure regulating valves in its cold and hot water inlets, avoids the big pressure difference between cold and hot water, so the mixing water can be continuous supplied. California CEC list (1.8GPM 6.8L/MIN).
  • 5.If customers install rough-in valve in improper depth, in order to reduce customer losses, customize parts can be provided. 5 Years no-leakage warranty for cartridge, we will response customers' service requests within 24 hours by phone or email..
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NIBCO F910B-LF Silent Check Valve Lead-Free* Class 125 Flanged Bronze Seat 4

  • The NIBCO lead-free cast iron sliding disc silent check valve is spring actuated with renewable cast bronze seat and bronze disc.
  • The spring return reduces noise for quiet operation.
  • The wafer style check valve features a flanged wafer body style to fit between standard flanges.
  • The check valve is recommended for commercial and industrial water applications.
  • Lead Free refers to the wetted surface of pipe.
  • fittings and fixtures in potable water systems that have a weighted average lead content ≤ 0.25% per the Safe Drinking Water Act (Sec. 1417) amended.
  • Spring actuated (1/2 psi cracking pressure).
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NIBCO F910B-LF Silent Check Valve Lead-Free* Class 125 Flanged Bronze Seat 2-1/2

  • The NIBCO lead-free cast iron sliding disc silent check valve is spring actuated with renewable cast bronze seat and bronze disc.
  • The spring return reduces noise for quiet operation.
  • The wafer style check valve features a flanged wafer body style to fit between standard flanges.
  • The check valve is recommended for commercial and industrial water applications.
  • Lead Free refers to the wetted surface of pipe.
  • fittings and fixtures in potable water systems that have a weighted average lead content ≤ 0.25% per the Safe Drinking Water Act (Sec. 1417) amended.
  • Spring actuated (1/2 psi cracking pressure).
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