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  Our Catalog   Hydraulics, Pneumatics & Plumbing   Valves   Check Valves

Check Valves


Save on Check Valves at In The National Interest. Top brands include Parker, Mueller Steam Specialty, & Nibco. Hurry! Limited time offers. Offers valid only while supplies last.



Colorflow Check Valve - NPT
Colorflow Check Valve - NPT
In Stock
$655.56

mpn: C2400S65,

Parker Colorflow Check Valve - NPT Ports...


Parker C2400S Colorflow Check Valve - NPT
Parker C2400S Colorflow Check Valve - NPT
In Stock
$655.56

mpn: C2400S,

Parker Colorflow Check Valve - NPT Ports...


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

mpn: C2020S,

Parker Colorflow Check Valve - SAE Ports...


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

mpn: C2020S65,

Parker Colorflow Check Valve - SAE Ports...


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

mpn: CS1200S65,

Parker Colorflow Check Valve - NPT Ports...


Double Disc Check Valve, Cast Iron, 6 In.
Double Disc Check Valve, Cast Iron, 6 In.
In Stock
$582.60

mpn: 6 71AHB3H,

'Double Disc Check Valve, Material of Construction Cast Iron, Size 6 In, Fits Within ANSI Flanges Connection, Length 3 In., Rated For 200 PSI, Max. Temp. 100 F, Vertical Mounting Position, Spring Material 316 Stainless Steel, Seal Buna N, Standards A...


3inch PVC Check Valve with Socket Ends
3inch PVC Check Valve with Socket Ends
In Stock
$580.91

mpn: 18307, ean: 0653958199410,

Not spring loaded but the design insures free movement of the ball. Ball supported by a system of guide ribs to give full flow with minimum turbulence and chatter. Union connections for easy access to valve components. Requires only inches of head pr...


NIBCO  F910B-LF Silent Check Valve   Lead-Free, Class 125, Flanged, Bronze Seat, 6''
NIBCO F910B-LF Silent Check Valve Lead-Free, Class 125, Flanged, Bronze Seat, 6"
In Stock
$867.48

mpn: NHDY0XK, ean: 0039923326553,

Check valves prevent backflow by automatically closing when fluid reverses direction. Wafer checks may be installed in horizontal positions (or vertical with flow moving up). Please refer to NIBCO technical data sheets, chemical resistance guides and...



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