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Best Hydraulic Check Valves - Buying Guide

Last Updated: 11/18/2018

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  #1

Zoeller 30-0181 PVC Plastic Check Valve, 1-1/2 Inch

Model: 30-0181   |    Mpn: 30-0181   |    Ean: 0074748353179   |    PartNumber: 30-0181   |   Asin: B0009WD1L4

When you have residential or commercial wastewater issues, you can count on Zoeller Pumps to deliver the very best solutions-our commitment to top quality offers you years of service and durability.

Features

  • 1-1/2 slip x slip unions
  • Flapper bends over a radius to eliminate sharp 90-degree edges
  • Capable of vertical or horizontal installation
  • Slip x slip for 4.3 PSI (10 feet of head) at 130 F
  • Designed to reduce water hammer
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Brand: Zoeller   |   Manufacturer: Zoeller

Item Dimensions: 6.75 x 17.5 x 9.75 inches (17.1 x 44.5 x 24.8 cm)   |   Package Dimensions: 3.2 x 4 x 9 inches (8.1 x 10.2 x 22.9 cm)

Amazon Price: $12.00 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $19.79

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  #2

WAYNE 1-1/2 in. Check Valve With PVC Clamps

Model: 66005-WYN   |    Mpn: 66005-WYN1   |    Ean: 0040066107442   |    PartNumber: 66005-WYN1   |   Asin: B000BQSCMG

Wayne pumps check valve, PVC body, 2-3/4 in overall length, 2-3/4 in overall width, 7 in overall height, black, includes: 1-1/2 in shoulder end Adapter, for use with all types of sump pumps. Wayne 66005-wyn1 1.5 in. Check valve kit. 1-1/2 inch pump thread with 1-1/4 inch or 1/12 inch pipe connection. For use with all types of sump pumps.

Features

  • For use with all types of sump pumps
  • Keeps water from returning to sump basin
  • Reduces noise
  • Item has threaded male end 1 1/2 and outflow shoulder end 1 1/4, and includes 1 1/2 shoulder end adapter.
  • Made of PVC
  • Color = black
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Brand: Wayne   |   Manufacturer: Wayne

Item Dimensions: 8.5 x 3 x 3 inches (21.6 x 7.6 x 7.6 cm)   |   Package Dimensions: 2.8 x 3 x 7.3 inches (7.1 x 7.6 x 18.5 cm)

Amazon Price: $15.04 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $9.99 | Used Price: $9.73

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  #3

Control Devices Brass Ball Check Valve, 1/4" NPT Female x NPT Male

Model: P2525-1WA   |    Mpn: P2525-1WA   |    PartNumber: P2525-1WA   |   Asin: B007GDXA60

The Control Devices ball-type check valve provides tight sealing, and can be used as a tank check valve for small compressors or as a component in pneumatic circuits. The valve body is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to copper, brass, plastic, aluminum, and welded steel. Fluorocarbon O-rings provide higher temperature and chemical resistance. It has female National Pipe Taper (NPT) threads on one end and male NPT threads on the other for connecting a male and a female threaded pipe. The NPT threads create a tighter seal than straight threads. The maximum pressure rating is 250 pounds per square inch (psi), and the maximum temperature is 250 degrees Fahrenheit.

Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.

Control Devices manufactures specialty valves, nozzles, and condensate traps. The company, founded in 1963 and headquartered in Fenton, MI, meets ASME standards.

Features

  • Can be used as a tank check valve for small compressors or as a component in pneumatic circuits
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • Fluorocarbon O-rings for higher temperature and chemical resistance
  • Female and male NPT threads for connecting pipes with different ends
  • Maximum pressure rating of 250 psi and maximum working temperature of 250 degrees Fahrenheit
  • See more on Amazon...

Brand: Control Devices   |   Manufacturer: Control Devices

Package Dimensions: 0.7 x 1.7 x 2.7 inches (1.8 x 4.3 x 6.9 cm)

Amazon Price: $7.21 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $7.21 | Used Price: $6.03

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  #4

Campbell Mfg Llc 2" Quietsewage Chk Valve B-0823-20C Well Supply Accessories

Model: B-0823-20C   |    Mpn: B-0823-20C   |    Ean: 0039172045069   |    PartNumber: B-0823-20C   |   Asin: B000LXA9RU

2', Quiet Sewage Check Valve, No Slamming When Flapper Closes, Clear Heavy Duty PVC For Monitoring Check Valve Operation, True Union Design Allows For Easy Repair Or Pump Replacement, 1/2 LB Stainless Steel Spring, Solvent Weld Connection To Piping.

Features

Brand: Campbell   |   Manufacturer: Campbell

Item Dimensions: 10.5 x 4.3 x 3.3 inches (26.7 x 10.9 x 8.4 cm)   |   Package Dimensions: 3.8 x 5 x 11.8 inches (9.7 x 12.7 x 30.0 cm)

Amazon Price: $30.99 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $24.39

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  #5

Control Devices Brass Tank Valve, 1/8" NPT

Model: TV12   |    Mpn: TV12   |    Ean: 0094700406651   |    PartNumber: TV12   |   Asin: B0081TJO72

Model TV12 tank valves include a brass body, nylon cap, and standard tire core valve. They are used wherever a method of inflating a tank with a standard air chuck is required. 1/8" NPT inlet.

Features

Brand: Control Devices   |   Manufacturer: Control Devices

Package Dimensions: 0.5 x 0.5 x 1.5 inches (1.3 x 1.3 x 3.8 cm)

Amazon Price: $2.98 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $3.07 | Used Price: $2.47

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  #6

Control Devices Brass Ball Check Valve, 1/4" NPT Male

Model: M2525-1WA   |    Mpn: M2525-1WA   |    PartNumber: M2525-1WA   |   Asin: B007GDX93E

The Control Devices ball-type check valve provides tight sealing, and can be used as a tank check valve for small compressors or as a component in pneumatic circuits. The valve body is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to copper, brass, plastic, aluminum, and welded steel. Fluorocarbon O-rings provide higher temperature and chemical resistance. It has female National Pipe Taper (NPT) threads on one end and male NPT threads on the other for connecting a male and a female threaded pipe. The NPT threads create a tighter seal than straight threads. The maximum pressure rating is 250 pounds per square inch (psi), and the maximum temperature is 250 degrees Fahrenheit.

Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.

Control Devices manufactures specialty valves, nozzles, and condensate traps. The company, founded in 1963 and headquartered in Fenton, MI, meets ASME standards.

Features

  • Can be used as a tank check valve for small compressors or as a component in pneumatic circuits
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • Fluorocarbon O-rings for higher temperature and chemical resistance
  • Female and male NPT threads for connecting pipes with different ends
  • Maximum pressure rating of 250 psi and maximum working temperature of 250 degrees Fahrenheit
  • See more on Amazon...

Brand: Control Devices   |   Manufacturer: Control Devices

Package Dimensions: 0.7 x 1.7 x 2 inches (1.8 x 4.3 x 5.1 cm)

Amazon Price: $6.63 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $6.63 | Used Price: $4.97

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  #7

Zoeller 30-0181 PVC Plastic Check Valve, 1-1/2 Inch (2 Pack)

 Ean: 0689227500601   |    PartNumber: 30-0181   |   Asin: B07CS4V71D

Product Description When you have residential or commercial wastewater issues, you can count on Zoeller Pumps to deliver the very best solutions-our commitment to top quality offers you years of service and durability. From the Manufacturer When you have residential or commercial wastewater issues, you can count on Zoeller Pumps to deliver the very best solutions-our commitment to top quality offers you years of service and durability.

Features

  • 2-Pack of 1-1/2 slip x slip unions
  • Flapper bends over a radius to eliminate sharp 90-degree edges
  • Capable of vertical or horizontal installation
  • Slip x slip for 4.3 PSI (10 feet of head) at 130 F
  • Designed to reduce water hammer
  • See more on Amazon...

Brand: Zoeller   |   Manufacturer: Zoeller

Package Dimensions: 4.13 x 9.92 x 12.6 inches (10.5 x 25.2 x 32.0 cm)

Amazon Price: $29.48 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $29.48

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  #8

Everflow 210T012-NL 1/2-Inch Lead Free Brass Swing Check Valve with Female NPT Threaded, 200 PSI WOG & 125 PSI SWP Brass Construction Higher Corrosion Resistance Economical Durable & Easy to Install

Model: 210T012-NL   |    Mpn: 210T012-NL   |    Ean: 0804595995129   |    PartNumber: 210T012-NL   |   Asin: B00MA9EPKA

This Everflow Supplies Swing Check Valve keeps fluids from backing up into the water supply and prevents backflow from wells and boiler systems. This check valve is lead free and suitable for all potable water supply installations. It is constructed of brass for strength and durability. This swing check valve for establishing a one-way flow in supply lines, with a pressure of 200 PSI WOG and 125 PSI SWP. In particular, it has a lead free cast brass construction with an inlet and outlet with female threaded connects for use with 1/2 inch IPS diameter pipes. This series features metal-to-metal seal, either threaded NPT or solder end connections and a Lead Free brass body. Models LFWCV, and LFWCVS are available in sizes 1/2 to 1 in. (15 to 25mm). Series LFWCV, LFWCVS has metal-to-metal seating and provides low pressure drop and automatic closure when fluid flow is stopped. Furthermore, UPC approved the fitting for meeting the NSF 61-G lead free standards.

Features

  • Cast Brass Swing Check Valve With 1/2 Inch Lead Free
  • Constructed Of Brass For Strength And Durability
  • Maximum pressure of 200 psi wog and 125 psi swp; Approved By UPC, NSF
  • Features Metal-To-Metal Seal, Either Threaded Npt Or Solder End Connections Brass Body
  • Brass Swing Check Valves are Used to Prevent Reverse Fluid Flow in Water and Steam Applications
  • See more on Amazon...

Brand: Everflow Supplies   |   Manufacturer: Everflow Supplies

Item Dimensions: 2 x 1 x 3 inches (5.1 x 2.5 x 7.6 cm)   |   Package Dimensions: 1.25 x 1.9 x 2.1 inches (3.2 x 4.8 x 5.3 cm)

Amazon Price: $8.40 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $8.50

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  #9

Peerless RP73625 Classic, Check Valve

Model: RP73625   |    Mpn: RP73625   |    Ean: 7336117953919   |    PartNumber: RP73625   |   Asin: B008K4NTGK

When installed with the Single Function Pressure Balance Valve Cartridge RP70538, this check valve helps to protect you and your family from sudden temperature changes. Single-function valves conveniently control water temperature and volume with one handle. You can install with confidence, knowing that Peerless faucets and parts are backed by our Lifetime Limited Warranty.

Features

  • Designed exclusively for Peerless faucets
  • Made to original specifications
  • Rigorously tested to ensure quality performance
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Brand: DELTA FAUCET   |   Manufacturer: Delta Faucet

Item Dimensions: 0.75 x 1.5 x 1.5 inches (1.9 x 3.8 x 3.8 cm)   |   Package Dimensions: 0.9 x 1.6 x 3.7 inches (2.3 x 4.1 x 9.4 cm)

Amazon Price: $9.48 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $12.40 | Used Price: $6.98

Warranty: NA

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  #10

Zoeller 30-0151, 8.25 x 12.00 x 11.00 inches

Model: 30-0151   |    Mpn: 30-0151   |    Ean: 0783961055219   |    PartNumber: 30-0151   |   Asin: B0009TCIHU

30-0151 Features: -2" x 2" Slip cast iron check valve. -Designed for vertical or horizontal installation. -Full flow design allows for maximum efficiency. -Suitable for installation below basin cover. -Prevents fluid from returning to pit once pumped out through pump discharge. -Dimensions: 8.25" H x 12" W x 11" D.

Features

  • Full 2-Inch flow design - meets BOCA (P.604.2)
  • 2 inch full flow pump code
  • Stainless steel screws
  • Extra wide hinge to reduce hinge stress
  • Corrosion resistant powder coated epoxy finish
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Brand: Zoeller   |   Manufacturer: Zoeller

Item Dimensions: 8.25 x 12 x 11 inches (21.0 x 30.5 x 27.9 cm)   |   Package Dimensions: 3.6 x 3.7 x 10.5 inches (9.1 x 9.4 x 26.7 cm)

Amazon Price: $39.99 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $38.80

Warranty: 12 months from date of installation or 18 months from date of manufacture (on most Zoeller pumps), whichever comes first. Abuse or misapplication can void this warranty.

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  #11

American Valve G31SL 3/4" Lead Free Check Valve, 3/4 Inch

Model: G31SL 3/4"   |    Mpn: G31SL 3/4   |    Ean: 0611918102054   |    PartNumber: G31SL 3/4   |   Asin: B00QGX9LV4

The American Valve G31SL is a lead-free spring check valve with female threaded ended. This in line check valve is designed to prevent backflow. It may be used vertically or horizontally.

Features

  • Complies with lead-free Plumbing laws
  • May be used vertically or horizontally
  • 200 WOG (water, Oil, gas)
  • Inline check
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Brand: American Valve   |   Manufacturer: American Valve

Item Dimensions: 2.43 x 1.56 x 1.56 inches (6.2 x 4.0 x 4.0 cm)   |   Package Dimensions: 1.3 x 1.3 x 2.5 inches (3.3 x 3.3 x 6.4 cm)

Amazon Price: $11.89 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $12.53

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  #12

Valterra 200-C15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Slip

Model: 200-C15   |    Mpn: 200-C15   |    Ean: 0753610336952   |    PartNumber: 200-C15   |   Asin: B00B95UFQ4

This Valterra 200-C15 check valve is made of clear schedule 40 PVC (polyvinyl chloride) for strength and resistance to corrosion and mild chemicals. Its EPDM (ethylene propylene diene monomer) seal resists degradation caused by water and oils, and the swing/spring construction of this valve makes it possible to install it in any position. It has a 1-1/2" slip connection at each end, which must be fastened with glue, a maximum pressure rating of 150 pounds per square inch (psi), and a spring tension of 1/2 lb. This check valve is suitable for use with landscape and irrigation, pool and spa, aquaculture, and general purpose applications.

Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.

Valterra Products manufactures and distributes valves, hoses, sewer systems, and pool and spa products. The company, founded in 1981, is headquartered in Mission Hills, CA.

Features

  • 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
  • 1-1/2 slip connections
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Brand: Valterra   |   Manufacturer: Valterra Products

Item Dimensions: 3.3 x 3.3 x 6.1 inches (8.4 x 8.4 x 15.5 cm)   |   Package Dimensions: 2.28 x 2.28 x 5.98 inches (5.8 x 5.8 x 15.2 cm)

Amazon Price: $8.23 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $15.83

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  #13

Valterra 200-C15W PVC Swing (No Spring) Check Valve, Clear, 1-1/2" Slip

Model: 200-C15W   |    Mpn: 200-C15W   |    Ean: 0019079201560   |    PartNumber: 200-C15W   |   Asin: B0064TQ2WQ

This Valterra 200-C15W check valve is made of clear schedule 40 (standard wall) PVC for corrosion resistance, high strength, and less weight than fittings made from metal. It is compatible with schedule 40 PVC (polyvinyl chloride) pipes and fittings or can be connected to other materials such as steel, copper, or cast iron using transition fittings. Its full flow design allows for insignificant flow loss at the swing check, so no spring is needed. It has 1-1/2" slip connectors at both ends to connect to pipes with a smooth bore for enhanced flow and has a maximum pressure rating of 150 psi. This check valve meets ASTM International and American National Standards Institute (ANSI) standards and is suitable for use with landscape and irrigation, pool and spa, aquaculture, and general purpose applications.

Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.

Valterra Products manufactures and distributes valves, hoses, sewer systems, and pool and spa products. The company, founded in 1981, is headquartered in Mission Hills, CA.

Features

  • Clear PVC for corrosion resistance, high strength, and less weight than fittings made from metal
  • Full flow design for insignificant flow loss at swing check
  • Slip connection for easy attachment
  • Maximum pressure rating 150 psi
  • Meets ASTM and ANSI standards
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Brand: Valterra   |   Manufacturer: Valterra Products

Package Dimensions: 4.2 x 5.2 x 8 inches (10.7 x 13.2 x 20.3 cm)

Amazon Price: $13.67 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $13.67

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  #14

Parts2O TC2503LF 1-Inch Foot Valve

Model: TC2503LF   |    Mpn: TC2503LF-P2   |    Ean: 0022315344136   |    PartNumber: TC2503LF-P2   |   Asin: B009ZTV3DK

1" Foot Valve.

Features

  • Lead-free brass and stainless steel construction
  • 1 Threaded openings
  • Check valve and strainer in one
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Brand: Parts2O   |   Manufacturer: Sta-Rite Industries LLC

Item Dimensions: 4.86 x 2.52 x 2.16 inches (12.3 x 6.4 x 5.5 cm)   |   Package Dimensions: 2.6 x 3.1 x 5 inches (6.6 x 7.9 x 12.7 cm)

Amazon Price: $12.99 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $13.47 | Used Price: $11.04

Warranty: 90 Day Warranty

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  #15

Zurn 1-950XLT2 Wilkins Double Check Valve Backflow Preventer 1" Lead Free

Model: 1-950XLT2   |    Mpn: GID-483116LF   |    Ean: 0612052071275   |    PartNumber: GID-483116LF   |   Asin: B005TU5AJW

| Suitable for residential commercial industrial irrigation marine and fire protection applications | Prevents the reverse flow of water gases or other substances into the distribution system of the potable water supply | Double check valve assembly complete with two full port valves and four ball valve test cocks | Bronze body construction | Noryl replaceable seats and silicone rubber check discs | Entire unit serviceable in-line | Temp range 33A DegreeF to 180A DegreeF | Maximum pressure 175 psi | Listed ASSE 1015 AWWA |Compliant for Lead Free legislation - Manufacturer: Zurn - Country of Manufacture: United States - Manufacturer Part Number: 1-950XLT2.

Features

  • Wilkins Double Check Valve Backflow Preventer 1 In., Lead Free
  • Manufacturer: Zurn
  • Manufacturer Part Number: 1-950xlt2
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Brand: Zurn   |   Manufacturer: Zurn Industries

Item Dimensions: 4.5 x 7.5 x 10 inches (11.4 x 19.1 x 25.4 cm)   |   Package Dimensions: 5 x 7.5 x 14.5 inches (12.7 x 19.1 x 36.8 cm)

Amazon Price: $149.00 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $170.08 | Used Price: $101.24

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  #16

Valterra 200-20W PVC Swing (No Spring) Check Valve, White, 2" Slip

Model: 200-20W   |    Mpn: 200-20W   |    Ean: 0019079902054   |    PartNumber: 200-20W   |   Asin: B005OTLJIE

This Valterra 200-20W check valve is made of white schedule 40 PVC (polyvinyl chloride) for strength and resistance to corrosion and mild chemicals. Its EPDM (ethylene propylene diene monomer) seal resists degradation caused by water and oils, and its full flow construction allows for insignificant flow loss at the swing check, so no spring is needed. It has 2" slip connections at both ends, which must be fastened with glue, and a maximum pressure rating of 150 pounds per square inch (psi). This check valve is suitable for use with landscape and irrigation, pool and spa, aquaculture, and general purpose applications.

Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.

Valterra Products manufactures and distributes valves, hoses, sewer systems, and pool and spa products. The company, founded in 1981, is headquartered in Mission Hills, CA.

Features

  • 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
  • Full flow construction for insignificant flow loss at swing check
  • 2 female slip connections
  • See more on Amazon...

Brand: Valterra   |   Manufacturer: Valterra Products

Package Dimensions: 4.3 x 4.4 x 5.5 inches (10.9 x 11.2 x 14.0 cm)

Amazon Price: $15.42 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $19.64

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  #17

Zurn 34UFX34F-700XL Lead-Free Union FNPT Dual Check Valve

Model: 34UFX34F-700XL   |    Mpn: 34UFX34F-700XL   |    Ean: 0612052075631   |    PartNumber: 34UFX34F-700XL   |   Asin: B005TU5GX2

Backflow Preventer Consisting Of Two Independent In-Line Spring-Loaded Check Valves. Maximum Pressure 175PSI. Can Be Installed Horizontally Or Vertically. Bronze Body Construction. Temp Range 33 F To 180 F.

Features

  • Backflow Preventer Consisting Of Two Independent In-Line Spring-Loaded Check Valves
  • Elegant design and finish
  • The product is manufactured in United States
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Brand: Zurn Wilkins   |   Manufacturer: Zurn Industries

Item Dimensions: 4 x 2 x 4 inches (10.2 x 5.1 x 10.2 cm)   |   Package Dimensions: 2.68 x 2.68 x 5.43 inches (6.8 x 6.8 x 13.8 cm)

Amazon Price: $29.33 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $30.23

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  #18

Smith-Cooper International CV30L Series Brass Check Valve, Potable Water Service, 1-1/4" NPT Female

Model: 0209CV30LL   |    Mpn: 0209CV30LL   |    Ean: 0092201383402   |    PartNumber: 0209CV30LL   |   Asin: B00835Q5FS

The Smith-Cooper International CV30L series check valve for potable water service is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to copper, brass, plastic, aluminum, and welded steel. It has ethylene propylene diene monomer (EPDM) seat and seal, stainless steel spring, spring-loaded poppet, and female National Pipe Taper (NPT) connections on both ends. Female NPT threads connect to male threaded pipes, creating a tighter seal than straight threads. The cracking pressure is 2 pounds per square inch (psi), and the maximum pressure rating is 200 psi. This valve meets National Sanitation Foundation (NSF)/American National Standards Institute (ANSI) 61-8 for quality assurance, and is certified to California AB1953

Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.

Smith-Cooper manufactures a wide variety of pipe fittings and valves. The company is headquartered in Commerce, California, and meets relevant ANSI, ASTM, and International Organization for Standardization (ISO) 9002 standards.

Features

  • Made from brass for higher corrosion resistance than steel
  • Includes EPDM seat and seal, stainless steel spring, and spring-loaded poppet
  • Female NPT threads for connecting to male threaded pipes
  • Cracking pressure is 2 psi and maximum pressure rating is 200 psi
  • Meets NSF/ANSI 61-8 for quality assurance and is certified to California AB1953
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Brand: Smith-Cooper International   |   Manufacturer: Smith-Cooper International

Package Dimensions: 2.3 x 2.4 x 3.8 inches (5.8 x 6.1 x 9.7 cm)

Amazon Price: $28.78 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $28.78

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  #19

1.5" PVC Quiet Union Check Valve

Model: 30-0040   |    Mpn: 30-0040   |    Ean: 0053514264147   |    PartNumber: 30-0040   |   Asin: B0078RQ9T4

30-0040 Features: -1.5" PVC quiet union check valve. -Designed for vertical or horizontal installation. -Spring loaded flapper helps to eliminate water hammer. -Solvent weld ends allows for quick installation and removal. -Prevents fluid from returning to pit once pumped out through pump discharge. -Dimensions: 12" H x 8" W x 11" D

Features

Brand: Zoeller   |   Manufacturer: Zoeller

Item Dimensions: 12 x 8 x 11 inches (30.5 x 20.3 x 27.9 cm)   |   Package Dimensions: 3.2 x 3.8 x 9.6 inches (8.1 x 9.7 x 24.4 cm)

Amazon Price: $20.25 | as of 11/18/2018(11:27am pst)
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List Price: $27.51

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  #20

Valterra 200-CU20 PVC Swing/Spring Combination Check Valve, Clear, 2" Union

Model: 200-CU20   |    Mpn: 200-CU20   |    Ean: 0019079704207   |    PartNumber: 200-CU20   |   Asin: B00B95UUJQ

This Valterra 200-CU20 union check valve is made of clear schedule 40 PVC (polyvinyl chloride) for strength and resistance to corrosion and mild chemicals. Its EPDM (ethylene propylene diene monomer) seal resists degradation caused by water and oils, and the swing/spring construction of this valve makes it possible to install it in any position. It has a 2" slip connection at each end, which must be fastened with glue, a maximum pressure rating of 150 pounds per square inch (psi), and a spring tension of 1/2 lb. This check valve is suitable for use with landscape and irrigation, pool and spa, aquaculture, and general purpose applications.

Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.

Valterra Products manufactures and distributes valves, hoses, sewer systems, and pool and spa products. The company, founded in 1981, is headquartered in Mission Hills, CA.

Features

  • 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
  • 2 slip connections
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Brand: Valterra   |   Manufacturer: Valterra Products

Item Dimensions: 12.3 x 12 x 19.6 inches (31.2 x 30.5 x 49.8 cm)   |   Package Dimensions: 4.2 x 4.2 x 10.5 inches (10.7 x 10.7 x 26.7 cm)

Amazon Price: $26.87 | as of 11/18/2018(11:27am pst)
Availibility: Usually ships in 24 hours
List Price: $26.87 | Used Price: $17.38

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