$199

(Lot of 4) Check All Valves U3DBR 1F.500SS open box new pictured

$26

NIB Merrill 1 1/4" Brass Check Valve For Water Well Installation

$53.06

Swagelok SS-CHS2-5 , 1/8" SS check valve, , 5 psi cracking pressure

$138.99

Swing Check Valve WHEATLEY 2" 1440 PSI WP Female NPT Thread NACE Trim MRO175

$30.98

Edwards Univalves 1'' Check Valve B36174F22 4200 CWP

$103.4

PARKER 6Z(A)-C6L-1-SS C SERIES STAINLESS STEEL 3/8" OD CHECK VALVE

$18.95

3/8" x 3/8 Inch Female NPT In Line Brass Compressed Air Check Valve USA CIL3838U

$245

4" 125s/300wog Ductile Iron Body, Bronze Disc, BUNA Seals Duo Wafer Check CVC-4

$315

VDL , 2-1/2" ( DN-65 ) , SOCKET ENDS , PVC-U , BALL CHECK VALVE , SURPLUS

$99

Warren Check Valve 803HF-SN316L

$530.8

Kitz 300UOAM Stainless Flanged Check Valve 3in 300

$38.99

4 x 1 Inch PVC Inline Check Valve Set - Reliable Backflow Preventer & Fittings