Check Valves — PVC, CPVC, Clear PVC, PP & PVDF

21 products

Showing 1 - 21 of 21 products

Check valves are one-way valves that prevent back flow in piping systems, ensuring fluid moves in only one direction. In industrial, chemical processing, water treatment, and HVAC applications, contractors and purchasing managers rely on high-quality PVC, CPVC, PP, and PVDF check valves for corrosion resistance and reliable performance. ALSCO offers a broad range of sizes, seal materials, and connection types engineered for durability, leak prevention, and consistent flow control. These check valves deliver dependable performance you can trust for critical process, utility, or infrastructure projects.

Showing 1 - 21 of 21 products

Asahi 1210-005 PVC Ball Check Valve 1/2 to 4 in.

Asahi Ball Check Valve

PVC Ball Check Valve

From $50.85

Asahi 1216-005 CPVC Ball Check Valve 1/2 to 4 in.

Asahi Ball Check Valve

CPVC Ball Check Valve

From $72.45

Hayward TC Series True Union Ball Check Valves

TC Series True Union Ball Check Valves

From $60.81

Cepex Ball Check Valve 1/2 to 4 in. Threaded or Socket EPDM or FPM PVC or CPVC

Ball Check Valve, 1/2 in. to 4 in. Sizes, Threaded or Socket, EPDM or FPM, PVC or CPVC

From $23.00

GF Type 561 PVC Check Valve

Type 561 PVC Check Valve

From $60.12

Check Valve, Clear PVC, 1/2 in. to 1 in. Sizes, Socket, True Union

Check Valve, Clear PVC, 1/2 in. to 1 in. Sizes, Socket, True Union [DISCONTINUED]

From $22.00

Cepex Spring Check Valve 1/2 to 4 in. Threaded or Socket

Spring Check Valve, 1/2 in. to 4 in. Sizes, Threaded or Socket

From $36.13

Spears Utility Swing Check Valve Clear PV 1/2 to 8 in. Socket

Clear PVC Utility Swing Check Valve, Socket, 1/2 in. to 8 in.

From $41.40

Spears Swing Check Valve Clear PVC 1/2 to 6 in. Threaded

Clear PVC Swing Check Valve, Threaded, 1/2 in. to 6 in.

From $41.40

Asahi 1201-007 PVC Swing Check Valve 3/4 to 8 in.

Asahi Flanged Swing Check Valve

PVC Swing Check Valve

From $574.00

Asahi 1202-007 PP Swing Check Valve 3/4 to 8 in.

Asahi Flanged Swing Check Valve

PP Swing Check Valve

From $700.00

Asahi 1203-007 PVDF Swing Check Valve 3/4 to 8 in.

Asahi Flanged Swing Check Valve

PVDF Swing Check Valve

From $1,556.00

Cepex Swing Check Valves

Swing Check Valves, 4 in. to 8 in. Sizes

From $130.15

Colonial 601N Series Wafer Check Valves, 2-1/2 in. to 8 in. Sizes

Colonial 601NP Series Wafer Check Valves, 10 in. to 12 in. Sizes

601 Series Wafer Check Valves, 2-1/2 in. to 12 in. Sizes

From $473.73

Plast-O-Matic Series CKM Diaphragm Check Valves

Series CKM Diaphragm Check Valves

From $105.56

Plast-O-Matic CKS Self Closing Check Valves

Series CKS Self Closing Check Valves

From $342.00

Banjo CV050 1/2 in. Poly FPT Check Valve

Banjo CV100 1 in. Poly FPT Check Valve

PP Spring Check Valve, 1/2 in. to 3 in. Sizes

From $14.82

Champion 3CVL15-LSES-P Model CVL Epoxy Coated Dual Disc Wafer Check Valves

Champion 4CVL15-LSES-P Model CVL Epoxy Coated Dual Disc Wafer Check Valves

Model CVL Epoxy Coated Dual Disc Wafer Check Valves

From $339.98

Georg Fischer Y Check Valve Clear PVC 1/2 to 3 in. Socket or Spigot EPDM or FPM

Y Check Valve, Clear PVC, 1/2 in. to 3 in. Sizes, Socket or Spigot, EPDM or FPM

From $74.07

Hayward YC Series Y-Check Valve, PVC/FPM, 1/2 in. to 4 in. Sizes

Hayward YC Series Y-Check Valve, PVC/FPM, 1/2 in. to 4 in. Sizes

YC Series Y-Check Valve, PVC/FPM, 1/2 in. to 4 in. Sizes

From $180.77

NDS Utility Swing Check Valve, White PVC, 1/2 in. to 8 in. Sizes, Socket

NDS Utility Swing Check Valve, White PVC, 1/2 in. to 1-1/2 in. Sizes, Threaded

Utility Swing Check Valve, White PVC, 1/2 in. to 8 in. Sizes

From $30.57