Reviews Spring Check Valve

Watkins Replacement Water Check Valve for Hot Springs Spa, 3/4" - 35233

  • This 3/4″ water check valve is installed in the inlet side of the circulation pumps plumbing to prevent the back flow of water through the circulation pump once the jet pump is activated.
  • Works on Tiger River Spas, Hot Spring Spas, and Limelight Spas..
  • All water check valves have arrows stamped on the outside to indicate the direction of flow which should be pointer towards the circulation pump..
  • Troubling Shooting: The symptoms of a non-operative check valve are.
  • * Water Leak – If water is leaking from around the check valve, it should be replaced. * Rattling – A rattling check valve indicates that water is not being allowed to flow properly past/ through the check valve. * Verify the check valve is installed with the flow in the correct direction. * Heater High-Limit Tripping – Poor water flow through the check valve could lead to heater high-limit tripping. Ensure the check valve is n.
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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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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..
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NIBCO - NLN10XK W910B-LF/W960B-LF Silent Wafer Check Valve Lead-Free Class 125 Iron Body Bronze Seat and Disc 6

  • The NIBCO lead-free wafer style silent check valve is spring actuated with renewable bronze seat and disc.
  • The spring return reduces noise for quiet operation.
  • Check valves prevent backflow by automatically closing when fluid reverses direction.
  • 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 - NLN10XH W910B-LF/W960B-LF Silent Wafer Check Valve Lead-Free Class 125 Iron Body Bronze Seat and Disc 4

  • The NIBCO lead-free wafer style silent check valve is spring actuated with renewable bronze seat and disc.
  • The spring return reduces noise for quiet operation.
  • Check valves prevent backflow by automatically closing when fluid reverses direction.
  • 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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MSR Expedition Field Service Kit for Camping and Backpacking Stoves, All Whisperlite Stoves

  • Each kit includes: Jet & Cable Tool, O-Rings, Pump Cup oil, Safety Pin, Pump Seal, Air Tube, Fuel Tube and Filter, Shaker Needle, Fuel Tube Bushing, Check Valve Spring, Pump Cup, Check Valve Ball, Check Valve Plug, Check Valve Assembly, Jet Cleaning Wire.
  • WhisperLite Service Kit also Inlcudes: Priming Wick, WhisperLite G Jet, WhisperLite International G Jet, WhisperLite International K Jet, WhisperLite International/Universal UG Jet, WhisperLite International/Universal UK Jet, WhisperLite Universal UC Jet.
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PumpSpy Silent Sewage or Sump Pump Check Valve 2-Inch Check Valve Stainless Clamps Fit 7-1/4 Gap in 2-Inch Schedule 40 PVC Spring-Loaded Flapper Quiet Check Valve Sump Pump Life Increase

  • QUIET OPERATION: Our sump pump check valve has a unique spring-loaded flapper that helps eliminate the water hammer noise that standard check valves produce. The water hammer noise occurs when the discharged water slams the check valve flapper down. This silent check valve can bring a quiet operation to your sump pump..
  • CLEAR VALVE BODY: This check valve will provide visibility to water movement. With the valve's clear body, it's easy to visually confirm that pumped contents are moving, the pipes are not clogged, and the pump in the basin is fully operational..
  • INCLUSIONS: Our silent sump pump check valve comes with stainless steel clamps and Buna-N rubber couplings for quick installation. The clamps and couplings fit a 2" Schedule 40 pipe. Fits within a 7-1/4" gap..
  • KEEP WATER OUT: This check valve is designed to keep pumped contents within the discharge pipe from falling back into the sump basin. A fully functional check valve can increase pump life expectancy by preventing contents from being pumped twice..
  • ABOUT US: PumpSpy provides sump pump systems that help eliminate the unknowns of a sump outage and prevent costly damage. We also offer Smart Sump Pump Systems that automatically track incoming data and check that a sump pump is working properly..
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PumpSpy Silent Sump Pump Check Valve - 1-1/2 with Buna-N Couplings Model CV-150 Spring-Loaded Flapper Quiet Check Valve Sump Pump Life Expectancy Increase Includes Steel Clamps Fit 1-1/2″ Pipe

  • QUIET OPERATION: Our sump pump check valve has a unique spring-loaded flapper that helps eliminate the water hammer noise that standard check valves produce. The water hammer noise occurs when the discharged water slams the check valve flapper down. This silent check valve can bring a quiet operation to your sump pump..
  • CLEAR VALVE BODY: This check valve will provide visibility to water movement. With the valve's clear body, it's easy to visually confirm that pumped contents are moving, the pipes are not clogged, and the pump in the basin is fully operational..
  • INCLUSIONS: Our silent sump pump check valve comes with stainless steel clamps and Buna-N rubber couplings for quick installation. The clamps and couplings fit a 1-1/2" Schedule 40 pipe. Fits within a 5-1/8" gap..
  • KEEP WATER OUT: This check valve is designed to keep pumped water within the discharge pipe from falling back into the sump basin. A fully functional sump pump check valve can increase pump life expectancy by preventing water from being pumped twice..
  • ABOUT US: PumpSpy provides sump pump systems that help eliminate the unknowns of a sump outage and prevents costly damage. We also offer Smart Sump Pump Systems that automatically track incoming data and check that a sump pump is working pr....
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EZ-FLO 20405LF Brass In-Line Check Valve

  • ✅DESIGN- The valve features a stainless steel to prevent water from traveling back to the source to avoid contamination..
  • ✅QUALITY- Made of from heavy-duty brass for extra durability and strength during every use..
  • ✅FUNCTIONALITY- The working pressure of the check valve is 200 PSI with a minimum of 5 PSI to open the spring..
  • ✅MEASUREMENT- The in-line check valve is equipped with a 1 inch female iron pipe (FIP) threaded connection for a maintenance free operation..
  • ✅SAFETY- The EZ-FLO in-line check valve is compliant with the Safe Drinking Water Act..
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PumpSpy Threaded Quiet Sump Pump Check Valve with 100% Stainless Steel Clamps Included - Threads Directly into the Pump's 1-1/2" NPT Discharge to Connect it to a 1-1/2" Pipe - Model CV-150T

  • ...DELY COMPATIBLE: Our sump pump check valve threads directly into a pump's 1-1/2" NPT discharge to connect it to a 1-1/2" pipe and is engineered to allow for maximum flow from your sump pump. Works with any pump containing a 1-1/2" NPT discharge..
  • UNIQUE SPRING-LOADED FLAPPER: The unique spring-loaded flapper on our sump pump check valve eliminates the water hammer noise of standard check valves for silent operation. No more sudden noises that disrupt your lifestyle or sleep. With this check valve, water hammer noise will be a nuisance of the past!.
  • 100% STAINLESS STEEL HOSE CLAMPS: Our sump pump check valve threads directly into the pump's 1-1/2" NPT discharge to connect it to a 1-1/2" pipe and is engineered to allow for maximum flow from your sump pump. With durable ABS construction, you can have a system that'll last for a long time. The use of stainless steel hose clamps prevents rust and corrosion for a secure, leak-proof connection..
  • PRE-DRILLED WEEP HOLE: The pre-drilled weep hole of our pump sump check valve eliminates the air lock that may occur in bottom suction pumps. Our ....
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EVIL ENERGY 1/2 Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black 12mm OD,2PCS

  • Material: Made of aluminum alloy check valve,304 stainless steel spring,NBR rubber gasket and O-ring..
  • Size: 1/2inch (12mm) OD check valve can be work with 1/2 inch ID fuel hose..
  • Parameter: Min upstream pressure:0.2bar(2.9psi),working pressure range: 0.2-6bar (2.9-87psi),operating temperature range: -22℉ to 266℉..
  • Medium: Applicable to water, petrol, diesel, gas, oil, air, and other fluids.(Methanol is not recommended).
  • Application: The fuel line check valve is widely uesd in vacuum system,carburetors and low pressure fuel systems..
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RK34-975XL Backflow Preventer Repair Kit -3/4 1 Complete Repair Kit with Springs

  • Contains instructions, easy to repair, effectively solve the problem of water leakage..
  • Compatible with 3/4-1" 975XL and 975XL2 Reduced Pressure Backflow Preventer..
  • Contains: (1) O-ring for relief valve stem, (1) #1 check spring, (1) #2 seal rings, (1) relief valve seal ring, (1) diaphragm, (2) O-rings for check....
  • Note: Please clean up the debris in the pressure reducing valve during installation to avoid water leakage caused by inability to seal..
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Monoblock Hydraulic Directional Control Valve, 3 Spool, 11 GPM, SAE Ports

  • Hydraulic Spool Valve: Equipped with 1 spool and 1/2" BSPP P port, A port, B port. 3/4" BSPP T port, N port. The maximum pressure of this hydraulic is 3600 PSI, and the maximum flow can reach 21 GPM. The opening and disconnection of hydraulic oil are controlled by connecting the valve to the oil line..
  • Automatically Reset: The standard spool is spring-returned and can be reset to the neutral position. In addition, there is a spring at the bottom of the handle that makes the joystick easy to control..
  • Great Inner Valve: The check valve in the valve body ensures that the hydraulic oil does not return, and the overflow valve in the valve body can adjust the working pressure of the hydraulic system..
  • Compact Structure: 1 spool hydraulic valve is made of aluminum and iron, and the solid structure can provide long-term service. The compact design allows it to install in narrow areas and maximizes its control capabilities..
  • Widely Used: It is used in hydraulic systems in agriculture, horticulture, forestry, construction, and industry. The distributor is adapted to different types of machines: agricultural machines, tractors, sprayers, construction machines, loaders, excavators, sweepers, industrial machines, and for other applications hydraulically controlled..
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