Best Modular Check Valves

Leinuosen 20 Pack Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valve Air Pump Accessories for Fish Tank Black

  • Application: the check valve can be applied for common aquarium air pumps, protect you air pump by preventing aquarium water from back siphoning....
  • Quality: made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage.
  • Practical design: the valves are detachable, you can unscrew to open it so as to clean and repair them easily.
  • Measurement: the air hole diameter is 4 mm/ 0.16 inch, the overall length is approx. 4.2 cm/ 1.7 inches, proper size for most fish tank.
  • Package contents: 20 pieces air pump check valves, sufficient for daily using and replacement.
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8 Pack Filter Replacement Kit for SO Clean 2, CPAP SC2 Filter Replacement Kit, Including 8 Cartridge Filter and 8 Check Valves

  • Directly from the original US factory warehouse and all packages were disinfected carefully before delivering.
  • To ensure protection of the machine and effectiveness of the filter, we strongly advised the customers to replace the filter cartridge every 6 months or necessary.
  • Cartridge Replacement Filter Kit for SC 2 Machines or Most CPAP Filter Parts Accessories Include 4 Cartridge Filters and 4 Check Valves.
  • Cost-effective replacement filter kit, 2 year supply tatally 8 pcs.Included 4 pcs cartridge filters and 4 pcs check valves.
  • This cartridge filter kit is a generic product which does not have any relation with other trademark or brand. We promise the 100% customer service for all customers.
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Zurn Wilkins 1-975XL 1" 975XL Reduced Pressure Principle Backflow Preventer

  • Wye pattern design reduces installation time and costs.
  • Easy access to the first check for debris removal reduces maintenance costs.
  • Pre-assembled with backflow, pressure regulation, and strainer components.
  • UL Classified (less shut-off valves or with OS&Y valves).
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Feelers 1/2 One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF Pack of 4

  • 【Material】The one way check valves are made of PVDF, and the Diaphragm material is silicon rubber..
  • 【Function】 These 1/2 Inch check valves are applicable for fluid systems to stop countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air..
  • 【Size】Diameter: 1/2"barb, can fit 1/2" hose ID.
  • 【Performance】Strong Resistance to acid, alkali, salt corrosion ability, can be used for different types of liquid.Normal performance under 25 ℃ to 60 ℃..
  • 【Wide Application】Widely used in water treatment, air purification, automotive parts, machinery industry, medical equipment, household appliances and other fields..
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Cozyel 12 GPM Air-Operated Air Diaphragm Double Diaphragm Pump Cast Iron 115 PSI Dual Diaphragm Air Pump Petroleum Fluids 1/2 inch Inlet/Outlet QBK-15

  • Air-Operated Double Diaphragm Pump 12GPM 1/2Inch Inlet And Outlet. The diaphragm pump features an externally serviceable air distribution system and all-bolted construction, with convenient operating, are widely used in various industries, such as petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive etc.
  • A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve, butterfly valves, flap valves, or any other form of shut-off valves) to pump a fluid..
  • Rugged construction - resists corrosion for reliable performance and long life.Bolted construction is designed for leak-free fluid handling..
  • Good abrasion resistance and heat resistance..
  • Easy access to ball checks and fluid caps for maintenance and repairs..
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ZENY NEW Portable Gas Welding Cutting Torch Kit w/Hose, Oxy Acetylene Brazing Professional Set with Case

  • Precision welding, cutting, brazing, soldering, hand facing and more! It'll cut up to 6" and weld or braze up to 1/2" with appropriate tips.Perfect for an Amateur Metalworker or a Seasoned Professional.
  • High-capacity Oxygen and Acetylene regulators, with a full 2 1/2" diam. for optimal performance..
  • Various kinds using oxygen and gas fuel for portable welding, rivet cutting, soldering, brazing, hard-facing and metal heating process.
  • Deluxe single stage regulators with reverse flow check valves, brass torch handle and brass valve body for maximum strength and durability.Precision torch handle with dual check valves, cutting attachment and cutting tip (size No. 0).
  • The whole Kit is constructed of stainless steel and brass for durability. Suitable For Home And Business Applications,Packed in ABS case, Lighter weight, easy to carry.
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Zurn Wilkins 34-975XL 3/4' 975XL Reduced Pressure Principle Backflow Preventer

  • Wye pattern design reduces installation time and costs.
  • Easy access to the first check for debris removal reduces maintenance costs.
  • Pre-assembled with backflow, pressure regulation, and strainer components.
  • UL Classified (less shut-off valves or with OS&Y valves).
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uxcell 50pcs 3/16\ Nylon Solid Plastic Bearing Balls G1 Precision

  • Size - 3/16" Diameter. The package includes 50 pieces of balls.
  • Material - Made of PA66 nylon, with greater wear resistance and high-temp resistance than POM..
  • Features - PA66 is commonly used for applications that require high strength, hardness, and rigidity. It has good electrical and dielectric properties..
  • Applications - Nylon bearing balls are especially useful for low load bearings, special valves, check valves, fluid level indicators, carburetors, flow meters, laboratory devices..
  • Notice - Confirm the Ball Diameter before ordering..
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Evike Competition Grade Airsoft Firearm Silicone Lubricant Oil Spray : 200Ml Large Can - (25170)

  • This item cannot be shipped via express / air services.
  • Ideal for many uses including lubricating gears, o-rings, plastic parts, etc.
  • Prevents metal-on-metal wear and corrosion.
  • Proper lubrication solves 90% of common Gas Blow Back problems.
  • The best all-purpose silicone spray on the market!.
  • For AEG & GBB: Spray into magazine bb chamber periodically to prevent dust build-up == For Valves: Spray into gas-in and gas-out valves to check for leakage and to inflate the dried o-ring seal to prevent mag air leaks == Silicon oils are used by technicians all over the world to test gas leakage, o-rings and valves == For Gas Blowback: It is a MUST that you lubricate your gun and keep it oiled for quality performance == There are many internal assemblies that may not work properly when dried.
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uxcell 10pcs 7mm Nylon Solid Plastic Bearing Balls G1 Precision

  • Size - 7mm Diameter. The package includes 10 pieces of balls.
  • Material - Made of PA66 nylon, with greater wear resistance and high-temp resistance than POM..
  • Features - PA66 is commonly used for applications that require high strength, hardness, and rigidity. It has good electrical and dielectric properties..
  • Applications - Nylon bearing balls are especially useful for low load bearings, special valves, check valves, fluid level indicators, carburetors, flow meters, laboratory devices..
  • Notice - Confirm the Ball Diameter before ordering..
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