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Description: Check valves are also known as clack valves, non-return valves, reflux valves, or retention valves. Their function is to allow the flow of fluid in a single direction. Check valves have two ports, one for fluid inflow and the other for fluid outflow. Check valves are used in many applications and are usually simple in design small, affordable and can be found in many household gadgets. They are mostly made of metal or plastic, and they work automatically without external or personal supervision. The types of check valves include diaphragm valves stop-check, lift check, ball check, swing check, duckbill, and pneumatic non-return valves. The closing member in ball part check valves is a ball while in diaphragm checks valves, a flexing rubber creates a normally- closed valve. Check valves are used in pumps, industrial processes, and in domestic use. Metering pumps are a type of diaphragm pumps that resemble small cylinders attached to inlet and outlet sides of the pump head.We stock a wide range of check valves to suit various applications. Shop at MRO Supply.
Item ID
Item
Price
Quantity
Big_card_vertical
#2532446
MRO 940355 1-1/4 CAST SWING CHECK VLV
Brand MRO Supply
Model 940355
$50.90 Each
Free Shipping
Big_card_vertical
#2532449
MRO 940358 2 1/2 BRASS SWING CHECK VALVE
Brand MRO Supply
Model 940358
$199.42 Each
Free Shipping
Big_card_vertical
#2532528
MRO 949431 3/4 SS CHECK VALVE
Brand MRO Supply
Model 949431
$54.38 Each
Free Shipping
Big_card_vertical
#2532453
MRO 944429 3/8 IN-LINE CHECK VAL
Brand MRO Supply
Model 944429
$24.18 Each
Free Shipping
Big_card_vertical
#2532447
MRO 940356 1-1/2IPS BR SWG CHECK VLV
Brand MRO Supply
Model 940356
$70.22 Each
Free Shipping
Big_card_vertical
#2532535
MRO 949406 1-1/4 SS IN-LINE CHECK VALVE
Brand MRO Supply
Model 949406
$519.24 Each
Free Shipping
Big_card_vertical
#2532451
MRO 940360 4 200LB SWING CHECK VLV
Brand MRO Supply
Model 940360
$455.64 Each
Free Shipping
Big_card_vertical
#2532476
MRO 944406V 1-1/4 BRASS IN-LINE CHECK
Brand MRO Supply
Model 944406V
$70.28 Each
Free Shipping
Big_card_vertical
#2532466
MRO 944401 1/4 BRASS IN-LINE CHECK VALVE
Brand MRO Supply
Model 944401
$21.19 Each
Free Shipping
Big_card_vertical
#2532462
MRO 944434 1-1/2IPS ENTRS 3 IN-LINE CH-VLV
Brand MRO Supply
Model 944434
$68.00 Each
Free Shipping
Big_card_vertical
#2532556
MRO 949481 1/4 SS Y SPRING CHECK VALVE
Brand MRO Supply
Model 949481
$36.68 Each
Free Shipping
Big_card_vertical
#2532486
MRO 944411V 4 BRASS IN-LINE CHECK-VITON
Brand MRO Supply
Model 944411V
$615.71 Each
Free Shipping
Big_card_vertical
#2532464
MRO 944435 2IPS ENTRS 3-1/2 IN-LINE CH-VLV
Brand MRO Supply
Model 944435
$106.37 Each
Free Shipping
Big_card_vertical
#2532539
MRO 949452 3/8 SS FXF SPRING CHECK VALVE
Brand MRO Supply
Model 949452
$31.60 Each
Free Shipping
Big_card_vertical
#2532458
MRO 944432 1IPS ENTRS 2 IN-LINE CHECK VLV
Brand MRO Supply
Model 944432
$37.76 Each
Free Shipping
Big_card_vertical
#2532443
MRO 940352 1/2IPS BR SWG CHECK VLV
Brand MRO Supply
Model 940352
$20.02 Each
Free Shipping
Big_card_vertical
#2532538
MRO 949451 1/4 SS F X F SPRING CHECK VALVE
Brand MRO Supply
Model 949451
$31.60 Each
Free Shipping
Big_card_vertical
#2532534
MRO 949405 1 SS IN-LINE CHECK VALVE
Brand MRO Supply
Model 949405
$259.96 Each
Free Shipping
Big_card_vertical
#2532455
MRO 944430LF 1/2 LEAD FREE CHECK VALVE
Brand MRO Supply
Model 944430LF
$26.55 Each
Free Shipping
Big_card_vertical
#2532456
MRO 944431 3/4IPS ENTRS 1-1/2 IN-LINE CH-VL
Brand MRO Supply
Model 944431
$28.18 Each
Free Shipping
Big_card_vertical
#2532543
MRO 949471 1/4 SS MXF SPRING CHECK VALVE
Brand MRO Supply
Model 949471
$31.60 Each
Free Shipping
Big_card_vertical
#2532454
MRO 944430 1/2IPS ENTRS 1-1/4 IN-LINE CHKVL
Brand MRO Supply
Model 944430
$18.95 Each
Free Shipping orders over $20
Big_card_vertical
#2532480
MRO 944408V 2 BRASS IN-LINE CHECK-VITON
Brand MRO Supply
Model 944408V
$139.91 Each
Free Shipping
Big_card_vertical
#2532530
MRO 949401 1/4 SS IN-LINE CHECK VALVE
Brand MRO Supply
Model 949401
$151.53 Each
Free Shipping
Big_card_vertical
#2532444
MRO 940353 3/4IPS BR SWG CHECK VLV
Brand MRO Supply
Model 940353
$22.52 Each
Free Shipping
Big_card_vertical
#2532460
MRO 944433 1-1/4IPS ENTRS 2-1/2 IN-LINE CHV
Brand MRO Supply
Model 944433
$55.07 Each
Free Shipping
Big_card_vertical
#2532527
MRO 949430 1/2 SS IN-LINE CHECK VALVE
Brand MRO Supply
Model 949430
$39.38 Each
Free Shipping
Big_card_vertical
#2532445
MRO 940354 1 IPS BR SWG CHECK VLV
Brand MRO Supply
Model 940354
$32.26 Each
Free Shipping
Big_card_vertical
#2532457
MRO 944431LF 3/4 LEAD FREE CHECK VALVE
Brand MRO Supply
Model 944431LF
$35.82 Each
Free Shipping
Big_card_vertical
#2532548
MRO 949441 1/4 BARREL SPRING CHECK VALVE
Brand MRO Supply
Model 949441
$31.60 Each
Free Shipping
Big_card_vertical
#2532461
MRO 944433LF 1-1/4 LEAD FREE CHECK VALVE
Brand MRO Supply
Model 944433LF
$67.48 Each
Free Shipping
Big_card_vertical
#2532467
MRO 944402 3/8 BRASS IN-LINE CHECK VALVE
Brand MRO Supply
Model 944402
$21.19 Each
Free Shipping
Big_card_vertical
#2532563
MRO 949488 2 Y SPRING CHECK VALVE
Brand MRO Supply
Model 949488
$234.43 Each
Free Shipping
Big_card_vertical
#2532469
$23.43 Each
Free Shipping
Big_card_vertical
#2532450
MRO 940359 3 200LB SWING CHECK VLV
Brand MRO Supply
Model 940359
$280.51 Each
Free Shipping
Big_card_vertical
#2532561
MRO 949486 1-1/4 Y SPRING CHECK VALVE
Brand MRO Supply
Model 949486
$122.33 Each
Free Shipping
Big_card_vertical
#2532533
MRO 949404 3/4 SS IN-LINE CHECK VALVE
Brand MRO Supply
Model 949404
$224.68 Each
Free Shipping
Big_card_vertical
#2532529
MRO 949432 1 SS CHECK VALVE
Brand MRO Supply
Model 949432
$70.21 Each
Free Shipping
Big_card_vertical
#2532452
MRO 944428 1/4 IN-LINE CHECK VAL
Brand MRO Supply
Model 944428
$20.66 Each
Free Shipping
Big_card_vertical
#2532484
MRO 944410V 3 BRASS IN-LINE CHECK-VITON
Brand MRO Supply
Model 944410V
$429.51 Each
Free Shipping
Big_card_vertical
#2532554
MRO 949447 1-1/2 BARREL SPRING CHECK VALVE
Brand MRO Supply
Model 949447
$118.26 Each
Free Shipping
Big_card_vertical
#2532473
MRO 944405 1 BRASS IN-LINE CHECK VALVE NBR
Brand MRO Supply
Model 944405
$41.92 Each
Free Shipping
Big_card_vertical
#2532471
MRO 944404 3/4 BRASS IN-LINE CHECK VALVE
Brand MRO Supply
Model 944404
$33.98 Each
Free Shipping
Big_card_vertical
#2532547
MRO 949475 1 SS M X F SPRING CHECK VALVE
Brand MRO Supply
Model 949475
$71.35 Each
Free Shipping
Big_card_vertical
#2532448
MRO 940357 2 IPS BR SWG CHECK VLV
Brand MRO Supply
Model 940357
$105.44 Each
Free Shipping
Big_card_vertical
#2532553
MRO 949446 1-1/4 BARREL SPRING CHECK VALVE
Brand MRO Supply
Model 949446
$85.59 Each
Free Shipping
Big_card_vertical
#2532477
MRO 944407 1-1/2 BRASS IN-LINE CHECK-NBR
Brand MRO Supply
Model 944407
$99.17 Each
Free Shipping
Big_card_vertical
#2532559
MRO 949484 3/4 SS Y SPRING CHECK VALVE
Brand MRO Supply
Model 949484
$66.27 Each
Free Shipping
Big_card_vertical
#2532549
MRO 949442 3/8 BARREL SPRING CHECK VALVE
Brand MRO Supply
Model 949442
$31.60 Each
Free Shipping
Big_card_vertical
#2532542
MRO 949455 1 SS FXF SPRING CHECK VALVE
Brand MRO Supply
Model 949455
$71.35 Each
Free Shipping
Big_card_vertical
#2532479
MRO 944408 2 BRASS IN-LINE CHECK-NBR
Brand MRO Supply
Model 944408
$142.94 Each
Free Shipping
Big_card_vertical
#2532482
MRO 944409V 2-1/2 BRASS IN-LINE CHECK
Brand MRO Supply
Model 944409V
$318.30 Each
Free Shipping
Big_card_vertical
#2532540
MRO 949453 1/2 SS FXF SPRING CHECK VALVE
Brand MRO Supply
Model 949453
$36.49 Each
Free Shipping
Big_card_vertical
#2532560
MRO 949485 1 SS Y SPRING CHECK VALVE
Brand MRO Supply
Model 949485
$107.03 Each
Free Shipping
Big_card_vertical
#2532485
MRO 944411 4 BRASS IN-LINE CHECK-NBR
Brand MRO Supply
Model 944411
$668.90 Each
Free Shipping
Big_card_vertical
#2532552
MRO 949445 1 BARREL SPRING CHECK VALVE
Brand MRO Supply
Model 949445
$69.28 Each
Free Shipping
Big_card_vertical
#2532544
MRO 949472 3/8 SS MXF SPRING CHECK VALVE
Brand MRO Supply
Model 949472
$31.60 Each
Free Shipping
Big_card_vertical
#2532537
MRO 949408 2 SS IN-LINE CHECK VALVE
Brand MRO Supply
Model 949408
$1,058.33 Each
Free Shipping
Big_card_vertical
#2532472
MRO 944404V 3/4 BRASS IN-LINE CHECK-VITON
Brand MRO Supply
Model 944404V
$34.17 Each
Free Shipping
Big_card_vertical
#2532468
MRO 944402V 3/8 BRASS IN-LINE VALVE-VITON
Brand MRO Supply
Model 944402V
$21.82 Each
Free Shipping
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