The Best Check Valve 1 Inch of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Check Valve 1 Inch of 2023. Check our ranking below.

2,808 Reviews Scanned

Rank No. #1

Midline Valve 372U322 Inline Spring Loaded Check Valve, Backflow Prevention, 1 in. FIP Connections, Cast Brass, 1

Inner Spring Blocks Reverse Flow In Piping Systems
Heavy Duty Cast Brass Body And Disc; Dezincification Resistant; Corrosion Resistant; Lead Free
Threaded Ends Comply With ANSI.B2.1
CSA Approved; Conforms To NSF/ANSI-61/372
200 PSI CWP (Non-Shock)

Rank No. #2

EZ-FLO Brass In-Line Check Valve, 1 Inch IPS, Stainless Steel Spring, 20405LF

EZ-FLO BRASS IN-LINE CHECK VALVE: The EZ-FLO brass in-line check valve is designed to prevent water from traveling back to the source
WHAT IS INCLUDED: This check valve is equipped with a 1 inch female iron pipe (FIP) threaded connection and is compatible with most standard hoses
DURABLE AND HIGH QUALITY: This in-line check valve is constructed from heavy-duty brass for extra durability and strength during every use
SPECS: This thread outlet features a working pressure of 200 PSI with a minimum of 5 PSI to open the spring
SAFETY: The EZ-FLO in-line check valve is compliant with the Safe Drinking Water Act

Rank No. #3

Whale LV1219 Non-Return Inline Valve, for Use with ¾-Inch and 1-Inch Diameter Pipes, Nitrile Construction , Black

Check valve reliably maintains prime in a suction or discharge line
Prevents drain back so a line is always ready for pumping
For use with pipes of 3/4 inch and 1 inch diameters
Can be used with manual or electric pumps
Durable Nitrile construction for reliable performance

SaleRank No. #4

Merrill MFG CVNL100 1" No-Lead Brass Check Valve 700 Series, 1"

No lead brass construction
1 in. x 1 in. female NPT
Prevents backflow in well or irrigation systems
Abrasion resistant O-ring fitted to the poppet for a positive seal
Can be used in both vertical and horizontal positions

Rank No. #5

Homewerks VCKP40E5B PVC Schedule 40, 1-Inch in-Line Check Valve, x Solvent, White

Schedule 40 construction

Rank No. #6

Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF

EASTMAN BRASS SWING CHECK VALVE: The Eastman swing check valve features a mechanism specifically engineered as a backflow preventer, protecting your water systems from contamination and damage
DURABLE: This Swing Check Valve is crafted from high-quality brass, ensuring longevity and reliability as a backflow preventer in water supply systems
VERSATILE: With a working pressure of 125 PSI to 200 WOG, this check valve is perfect for a variety of uses including wells, boiler systems, and potable water installations
EASY TO INSTALL: Designed with a 1 inch IPS connection, this swing check valve ensures a secure and straightforward installation process
SAFETY: Lead-free and suitable for all potable water supply installations, this valve prioritizes your health and safety

SaleRank No. #7

GASHER 2PCS Brass Check Valve 1" Female Thread, Backflow Prevention, One Way Check Valves

【Material】: Using brass valve body and stainless steel spring, it has the characteristics of corrosion resistance, high temperature ductility and low magnetic permeability.
【SIZE】: 1" Female Thread Check Valve
【Rated value】: The maximum working pressure is 200PSI
【Introduction】: Used to prevent fluid backflow, good tightness, no leakage, easy to install and disassemble.
【Applications】: Widely used in fuel/air/liquid/oil/gas, pipeline applications and connections, and can be used in various measuring devices and collectors.

SaleRank No. #8

Midline Valve 4I2U100 PVC Inline Check Valve for Backflow Prevention; 1'' FIP; White Plastic

✔LEAK-FREE: Female Threaded Ball Valve Includes EPDM O-Rings and TPE Seats for a Secure, Leak-Free Seal
✔STAINLESS STEEL SPRING LOADED CHECK: Prevents Backflow in Your Cold Water Pipes; Not Recommended for Potable Water
✔SPECIFICATIONS: Cracking Pressure @ .5 PSI; 150 PSI at 73°; Temperature Range 41°- 140°; ISO 9002 Approved Manufacturer; ANSI.B1.20.1 and ASTM F1970 Approved
✔IDEAL FOR FLOW CONTROL IN: Landscaping Sprinklers, Pools, Water Park, Aquarium, ETC. Can Be Installed Vertically and Horizontally.
✔PVC PIPING: PVC Piping Systems Feature Improved Performance, Increased Safety, and Better Rust and Corrosion Resistance when Compared with Steel Piping Systems

Rank No. #9

Valterra 200-C10 PVC Swing/Spring Combination Check Valve, Clear, fits 1" PVC pipe

Schedule 40 PVC construction for strength and resistance to corrosion and mild chemicals
EPDM seal for resistance to water and oils
Maximum pressure rating of 150 psi
Spring tension of 1/2 lb. for secure closure of valve
This item is made to fit over a 1" PVC pipe. It is a slip fitting.

Rank No. #10

CNBTR Brass Female Male Spring Check Valve Vertical 1" BSPP Check Valve Hydraulic Control

[Vacuum] Check valves allow air to enter and prevent vacuum conditions that could siphon water causing tanks, water heaters to collapse, or equipment to burn out.
[Application] Fits most standard water heater tanks, water towers, toilets.
[Connection] The spring check valve is equipped with a 1-inch internal thread iron pipe connection.
[Note] Pay attention to the flow of liquid when purchasing and installing. If the installation is reversed, the water will not come out.
Internal thread diameter: 1 inch (DN25), working pressure: 1.6MPa, working temperature: -10≤t≤100, working medium: water, oil, gas

Rank No. #11

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.

Rank No. #12

Geetery PVC Inline Check Valve Solvent Connections White Plastic Backflow Preventer Pipe Fittings Check Socket Schedule (2 Pcs, 1 Inch)

Secure Your Plumbing System: the white plastic backflow preventer fits 1 inch schedule40 and 80 pipe with PVC piping, preventing potential backflow of cold water; It installs both horizontally and vertically
Useful Design: the PVC inline check valve 1 inch is made of PVC material that is built to last long and work well; It has a stainless steel spring loaded check, which ensures that water flows smoothly and effectively; Not recommended for drinking water
Safe and Reliable: the cracking pressure of the 1 inch check valve PVC is only 0.5 PSI, making it a safe and reliable solution for your plumbing system; It also has a pressure rating of 150 PSI at 73℉ and can handle a maximum/ minimum temperature of 140℉/ 41℉
Versatile and Widely Suitable: the backflow preventer 1 inch is widely adaptable to a variety of water systems, including irrigation, aquariums, ponds, swimming pools, and more; It is the ideal solution to secure your water system
Easy to Install and Use: the compact design of the PVC inline garden hose check valve makes it easy to install and work with; It comes with the required equipment, and you can install it either horizontally or vertically

Rank No. #13

SharkBite 1 Inch Check Valve, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U2020-0000LFA

SHARKBITE BRASS CHECK VALVE: This push-to-connect brass check valve allows you to prevent the reverse flow of water quickly and easily; ideal for working in tight spaces **Remove using a disconnect clip or disconnect tongs**
VERSATILE: Pushfit spring-loaded check valves work well with PEX, CPVC, PE-RT, SDR-9 HDPE, and copper pipes
EASY TO INSTALL: The innovative push-to-connect design of the SharkBite brass check valves allows for quick and easy installation, with no tools, crimping, glue, or soldering required; can be installed horizontally or vertically
PREFERRED BY THE PRO: SharkBite tools and fittings meet the same high standards for commercial and residential plumbing applications, combining durability and ease of use suitable for commercial repairs or home improvement projects
SPECS: Made with DZR forged brass, this check valve can withstand 200 degrees F and 150 PSI

Rank No. #14

1" AMERICAN GRANBY NO LEAD CHECK VALVE CVNL100BS BRASS for WATER WELL PUMP PRESSURE TANK INSTALLATION

Rank No. #15

HYDROSEAL Sharkfellow 1’’ PVC True Union Ball Check Valve with Full Port, ASTM F1970, with EPDM Seals, Corrosion-Free, Service Free, Rated at 200 PSI @73F, Gray, 1 inch Socket (1'')

APPLICATION - Commercial plumbing, aquariums, irrigation, swimming pools, water parks and OEM applications
SERVICE FREE - Operates without the need for any adjustments or settings
CORROSION FREE - Our valve will never jam or sick as a result of rust or corrosion
CAPACITY - 200 PSI at 72F working pressure for long-lasting, superior performance in the field.
TRUE UNION - Allows for easy removal without breaking down the piping connection

Rank No. #16

Check Valves 1 inch, UPVC True Union Swing Check Valves 1’’, Clear

SCH80 clear upvc body
Maximum pressure rating of 150 psi
1’’ - Meets ASTM and ANSI standards
True union check valve, can be taken apart for cleaning
Swing check valve, no spring, can be mounted at any angle

Rank No. #17

Brass Foot Valve 1 inch NPT Heavy Duty Spring Mesh Check Valve Female Connection One Way Foot Valve Backflow Preventer with Holes Strainer Filter for Well Jet Pumps Foot Valve(1'' NPT)

【Brass Foot Valve】The 1’’ NPT thread foot valve is designed with many min round hole which can filter out many large impurity particles. The round hole design of the brass bottom valve is not only beautiful but also very practical. The hexagonal edge design makes this brass foot valve easier to install and take off.
【Qualified Material】The spring check valve body is made of heavy duty brass, the spring is stainless steel with stable performance, the gasket material is NBR, long service life and not easy to leak.
【Brass Spring Check Valve】: The thread of our brass check valve is NPT which is taper thread, has a good sealing, the working Pressure is 16bar (232 psi) , the working temperature from -10 ℃ to +120 ℃ (from 14℉ to 248℉) , allow it can be used in different environment
【Function】The basic function of the water foot valve is to prevent water from flowing back down the pipe. They have two ports, one as an inlet for the water and one as the output for the water. The brass check valve can also be described as a brass one way valve or brass non return valve that would only allow the pump to pull water up but does not allow the water to flow back down. The main purpose of the 1'' NPT check valve is to prevent backflow in the system.
【Wide Application】The brass non return valve is usually used for pumps, pipe systems, wells, and anywhere else you use a pump with check valve and pressure relief valve function.

Rank No. #18

YOGULGUL 1" One Way Check Valve, 1" Female Thread Horizonta Swing Brass Check Valve to Prevent Water Backflow, Fuel Oil Water Gas Air Check Valve for Sump Pump and Air Compressor DN25

【BRASS CHECK VALVE】 It is a valve that relies on its own weight and media pressure to produce action to block the backflow of media. Only allow the medium to flow in one direction, to prevent the backflow of the medium.
【EXPLOSION-PROOF, WEAR-RESISTANT】 The all-brass valve body has the characteristics of anti-pressure and explosion-proof, high temperature resistance, durability, etc. It has uniform wall thickness, high strength of wear resistance and long service life.
【NOT EASY TO SCALE】 The brass check valve's inner wall polishing treatment, smooth surface, no scaling, non-clogging, practical and durable.
【WIDE APPLICATION】 A variety of specifications to choose from, suitable for most pipeline systems. It is widely used in chemical industry, construction, petroleum, light and heavy industry, fire fighting, electric power, aerospace, shipbuilding...
【NOTE】 Applicable temperature: 14℉≤T≤248℉, Pressure: 232PSI, Flow direction: unidirectional, media range: water, oil, non-corrosive flammable gas. Please refer to the size chart on the product detail page to select the appropriate size check valve.

Rank No. #19

Clear UPVC Check Valve, 1inch Slip Swing Full Port Utility Double True Union Check Valve, UPVC No-return Valve, Sch80 Socket End Pool Ball Check Valve for Backflow Prevention

【UPVC Non-return Valve】Schedule 80 UPVC 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】1inch UPVC slip check valves have NO SPRING, 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. Please do NOT install valve upside down.
【UPVC Union Check Valve】It is a full bore UPVC check valve with a union on each side, can be taken apart for cleaning, allows for easy removal without breaking down the piping connection, which is convenient for future cleaning and maintenance.
【Material】1’’ double true union check valve made by clear UPVC, the body is all transparent with a little bit blue color, EPDM O-Ring, PTFE Seat , can be used for acid and alkali, smooth inner wall, small loss of fluid fluidity, dirt is not easy to adhere to the smooth pipe wall, excellent weather resistance, and can not be corrupted by bacteria and fungi.
【UPVC Full Port Check Valve】This 1in UPVC union check valve has a full port for maximum water flow. Max Pressure is 235 PSI (16 Bar), Max Temperature is 70℉(21℃). Fits to pipe measures 1 inch socket end connection.

Rank No. #20

1 Piece XFITTING 1" x 1" Push Fit Check Valve, Certified to NSF ANSI61, Brass, Plumbing Fitting for Copper, Pex, CPVC, 1 Pack

XFITTING PUSH FIT easiest and fastest way to join copper, CPVC or PEX pipe in any combination
LEAD FREE brass body. Foundation of a strong, corrosion resistant, durable fitting.
Certified to ANSI-61 / NSF and ASSE 1061,Max presure: 200psi/Max temperature: 200F
Approved to be used underground and behind walls without access panels

Last update on 2023-08-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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The Best Check Valve 1 Inch of 2023 – Reviewed and Top Rated

How Do You Buy The Best Check Valve 1 Inch?

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