Check Valves - Mega Sale! Save up to 22%


Mega Sale! Up to 22% off on Check Valves at Steel City Robotics. Top brands include AY McDonald, Thomas, Valterra, Campbell, Dernord, Watts Regulator, Parker, Duda Energy, American Valve, Hayward Flow Control, Homewerks, clippard, & PROLINE. Hurry! Limited time offers. Offers valid only while supplies last.



AY McDonald 2065S 2'' Silent Union Check Valve
AY McDonald 2065S 2" Silent Union Check Valve
By AY McDonald
In Stock
$39.95

mpn: 2065S 2", ean: 0053565424552,

4.9 out of 5 stars with 142 reviews
AY McDonald 2065S 2'' Silent Sewage Pump Check Valve. Excellent for heavy duty ejector pump applications. Non-metallic and cannot corrode.Eliminates the typical hammering of a sump check valve after the pump cycles. True union swing design. Easy removal for cleaning and inspections. Installs horizontally or vertically. Size: 2''.


Thomas 3297 Kynar and Viton Chemical Resistant Check Valve, 1/4'' Diameter x 1-1/4'' Length, 0 to 50 PSI, -40 to 126 degree C (Pack of 6)
Thomas 3297 Kynar and Viton Chemical Resistant Check Valve, 1/4" Diameter x 1-1/4" Length, 0 to 50 PSI, -40 to 126 degree C (Pack of 6)
By Thomas
In Stock
$48.48

mpn: 3297,

4.1 out of 5 stars with 93 reviews
Tubing barbed check valves are constructed of chemical-resistant kynar body and viton valve for an inert high purity smooth and clear flow path. Prevents damage to equipment, pumps, and flow systems by preventing backflow. Use with acids, bases, water, chemical processing, and alcohols. Use for liquids, gases, pressure, and vacuum applications. Operating ranges are 0 to 50 PSI and -40 to 126 degree C. Autoclavable, zero maintenance, unit installs in any position.May be sterilized by autoclave.


Valterra 200-C15W PVC Swing (No Spring) Check Valve, Clear, 1-1/2'' Slip
Valterra 200-C15W PVC Swing (No Spring) Check Valve, Clear, 1-1/2" Slip
By Valterra
In Stock
$13.31
$13.29

mpn: 200-C15W, ean: 0019079201560,

4.7 out of 5 stars with 51 reviews
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


CONTROL CHK VALVE 1'' LF by CAMPBELL MfrPartNo CVB-4TLF
CONTROL CHK VALVE 1" LF by CAMPBELL MfrPartNo CVB-4TLF
By Campbell
In Stock
$22.07

mpn: CVB-4TLF, ean: 0088409120260,

4.5 out of 5 stars with 91 reviews
'Spring Check Valve with Taps, Material of Construction Low Lead Brass, Size 1 In., Connection Type FNPT, Length 3-1/2 In., Width 1-3/4 In., Overall Height 1-3/4 In., Max. Water Pressure 200PSI, Cracking Pressure 0.5 psi, Max. Temp. 190 Degrees F, Mounting Position Vertical or Horizontal, Seat Material Unleaded Bronze, Spring Material Stainless Steel, Screen Material Stainless Steel, Seal Material NBR Rubber SN-919F, Flow 18 gpm, Standards ASTM B62'Price For: Each Spring Material: Stainless


3/4 Inch Swing Check Valve - WOG 200 PSI Stainless Steel SS316 CF8M NPT
3/4 Inch Swing Check Valve - WOG 200 PSI Stainless Steel SS316 CF8M NPT
By Dernord
In Stock
$16.99
$14.99
You Save: 12%

mpn: QW1501332, ean: 0689771291956,

4.3 out of 5 stars with 30 reviews
Swing Check Valve is used to help direct flow in one direction. The stainless steel bodies are highly corrosion resistant allowing these check valves to be used with a wide variety of fluids including, but not limited to water, oil, gas, air, light alkali's, acids, biodiesel, fuels and alcohols. Swing Check Valve is for horizontal use only. When fluid pushes on the stopper in the correct direction, it will ''swing'' open to allow flow. If flow moves in the opposite direction, it will swing


Campbell Mfg Llc 2''  Quietsewage Chk Valve B-0823-20C Well Supply Accessories
Campbell Mfg Llc 2" Quietsewage Chk Valve B-0823-20C Well Supply Accessories
By Campbell
In Stock
$24.39
$22.29
You Save: 9%

mpn: B-0823-20C, ean: 0039172045069,

4.7 out of 5 stars with 145 reviews
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.Brady B-0823-20C 2'' QuietSewage CHK Valve.


WATTS LF919-QT 3/4'' REDUCED PRESSURE BACKFLOW PREVENTER
WATTS LF919-QT 3/4" REDUCED PRESSURE BACKFLOW PREVENTER
By Watts Regulator
In Stock
$262.95

mpn: LF919-QT 3/4", ean: 0098268238518,

4.9 out of 5 stars with 121 reviews
LF919 WATTS Lead Free* Reduced Pressure Zone Backflow PreventerSeries LF919 Lead Free* Reduced Pressure Zone Assemblies prevent the reverse flow of contaminated water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of a Lead Free* cast copper silicon alloy body construction, two poppet style check valves and replaceable check seats, with an intermediate relief valve. Series LF919's compact modular design facilitates easy maintenance and assembly


Colorflow Check Valve - NPT
Colorflow Check Valve - NPT
By Parker
In Stock
$977.04

mpn: CS1200S65,

4.0 out of 5 stars with 70 reviews
Parker Colorflow Check Valve - NPT Ports.


Duda Energy VCV-WOG1000-F050 Vertical Check Valve, 304 Stainless Steel, 1/2'' NPT Spring Loaded In-line Low Cracking Pressure, 0.5''
Duda Energy VCV-WOG1000-F050 Vertical Check Valve, 304 Stainless Steel, 1/2" NPT Spring Loaded In-line Low Cracking Pressure, 0.5"
By Duda Energy
In Stock
$13.20
$13.00
You Save: 2%

mpn: VCV-WOG1000-F050, ean: 0840194102933,

4.4 out of 5 stars with 103 reviews
Stainless Steel Check Valves Highly Corrosion Resistant with PTFE Seals by Duda Energy Check valves are used to help direct flow in one direction. The stainless steel bodies and PTFE seals are highly corrosion resistant allowing these check valves to be used with a wide variety of fluids including, but not limited to water, oil, gas, air, light alkali's, acids, biodiesel, fuels and alcohols. Swing check valves are for horizontal use only. When fluid pushes on the stopper in the correct


Parker Colorflow Check Valve - SAE Ports
Parker Colorflow Check Valve - SAE Ports
By Parker
In Stock
$575.59

mpn: C2020S,

4.3 out of 5 stars with 58 reviews
Parker Colorflow Check Valve - SAE Ports.


Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2'' Union
Valterra 200-CU15 PVC Swing/Spring Combination Check Valve, Clear, 1-1/2" Union
By Valterra
In Stock
$24.07

mpn: 200-CU15, ean: 0019079703156,

4.0 out of 5 stars with 132 reviews
This Valterra 200-CU15 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 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


Colorflow Check Valve - SAE
Colorflow Check Valve - SAE
By Parker
In Stock
$575.59

mpn: C2020S65,

4.3 out of 5 stars with 36 reviews
Parker Colorflow Check Valve - SAE Ports.


American Valve G31 1 1/4'' Lead-Free Brass Swing Check Valve with Fip Threaded Ends, 1-1/4''
American Valve G31 1 1/4" Lead-Free Brass Swing Check Valve with Fip Threaded Ends, 1-1/4"
By American Valve
In Stock
$23.99

mpn: G31 1-1/4, ean: 0611918068879,

4.4 out of 5 stars with 136 reviews
The American Valve G31 is a lead-free swing check valve that comes with female threaded end connections. It is designed to prevent backflow.Complies with lead-free Plumbing laws. Fip threaded ends. 200 WOG (water, Oil, gas).


Hayward TC20075STE Series TC True Union Ball Check Valve, Socket/Threaded End, CPVC with EPDM Seals, 3/4'' Size
Hayward TC20075STE Series TC True Union Ball Check Valve, Socket/Threaded End, CPVC with EPDM Seals, 3/4" Size
By Hayward Flow Control
In Stock
$48.49

mpn: TC20075STE,

4.9 out of 5 stars with 125 reviews
'Check Valve, Control Check, Material of Construction CPVC, Size 3/4 In, SKT/FNPT Connection, Length 4.75 In, Width 2.63 In, Overall Height 2.63 In, Rated For 150 PSI, Cracking Pressure 3 PSI, Max Temp 190 F, Mounting Position Vertical Flow Up, Seat Material EPDM, Seal EPDM, Flow 10 GPM, Standards NSF 61'Price For: Each Material of Construction: CPVC Standards: NSF 61 Max. Temp.: 190 Degrees F Sub-Category: CPVC Compliance: - Item: Check Valve Cracking Pressure: 3 psi Mounting Position:


American Valve G31SL 3/4'' Lead-Free Brass Spring Loaded In-Line Check Valve with Fip Threaded Ends, 3/4''
American Valve G31SL 3/4" Lead-Free Brass Spring Loaded In-Line Check Valve with Fip Threaded Ends, 3/4"
By American Valve
In Stock
$12.53
$11.89
You Save: 5%

mpn: G31SL 3/4, ean: 0611918102054,

4.2 out of 5 stars with 75 reviews
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.Complies with lead-free Plumbing laws. May be used vertically or horizontally. 200 WOG (water, Oil, gas). Inline check.


Homewerks VCK-P40-B5B In-Line Check Valve, Female Thread x Female Thread, PVC Schedule 40, 1-Inch
Homewerks VCK-P40-B5B In-Line Check Valve, Female Thread x Female Thread, PVC Schedule 40, 1-Inch
By Homewerks
In Stock
$12.57

mpn: VCK-P40-B5B, ean: 0879420001795,

4.7 out of 5 stars with 55 reviews
Schedule 40 construction. Fits both Schedule 40 and Schedule 80 pipe. O-ring seal, spring loaded poppet, and stainless steel spring. Threaded end complies with ANSI B1.20.1. Not for use with compressed air.


Clippard GCV-4 Check Valve, 1/4'' Ports, 39 scfm @ 50 psig, 70 scfm @ 100 psig
Clippard GCV-4 Check Valve, 1/4" Ports, 39 scfm @ 50 psig, 70 scfm @ 100 psig
By clippard
In Stock
$18.72
$18.51
You Save: 1%

mpn: GCV-4,

4.4 out of 5 stars with 88 reviews
Four varieties of check valves are offered by Clippard. Each permits flow in one direction only. All have bright dipped brass bodies that provide inline mounting, Nitrile seals and stainless steel springs as standard. The MCV-2 has #10-32 ports and a “duckbill” seal. The MCV-1 series has #10-32 ports and a brass poppet. The MJCV-1 series has 1/8” NPT ports and a Zytel 80G33 poppet. The GCV has 1/4” and 3/8” NPT ports.Medium Air or Hydraulic. Air Flow 39 scfm @ 50 psig; 70 scfm @ 100


AY McDonald 4424-101 2069C 2 Clear Silent Check Valve
AY McDonald 4424-101 2069C 2 Clear Silent Check Valve
By AY McDonald
In Stock
$33.34

mpn: 4424-101, ean: 0535655051140,

4.1 out of 5 stars with 55 reviews
Rubber Hose Coupling: Valves are designed to fit on standard sump pump line connections. Easy to install over 1 1/2'' or 1 1/4'' PVC pipe (schedule 40 & 80), steel pipe, or copper tubing. One piece housing construction, no gasket to fail or leak. Housing is.Eliminates the typical hammering of a sump check valve after the pump cycles. All valves are pressure tested to ensure Leak-proof performance. Stainless steel clamps included.


Valterra 200-20W PVC Swing (No Spring) Check Valve, White, 2'' Slip
Valterra 200-20W PVC Swing (No Spring) Check Valve, White, 2" Slip
By Valterra
In Stock
$19.64
$15.38
You Save: 22%

mpn: 200-20W, ean: 0019079902054,

4.9 out of 5 stars with 19 reviews
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).


Proline 101-404 IPS Low Lead Dual Check Valve, 3/4''
Proline 101-404 IPS Low Lead Dual Check Valve, 3/4"
By PROLINE
In Stock
$19.98
$18.51
You Save: 7%

mpn: 101-404, ean: 0032888014046,

4.2 out of 5 stars with 104 reviews
Since our beginning in 1917 as the Mueller metals co. And later Mueller brass co., Mueller industries has built a well-earned reputation for offering the finest-quality plumbing, hvac, refrigeration, and industrial products in the industry.Dual check valve. Use with temperatures up to 140 degree. Female iron pipe thread union by female iron pipe thread. 150 psi maximum. 10 psi minimum.



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