SMC (5720990) 426 Series PVC NSF Check Valve ; 1/8" FPT x 1/8" FPT BUNA
SMC 426 Series Check Valve Core Specs
Complete Valve Specifications
| Manufacturer | SMC |
| Model Number | 5720990 |
| Series | 426 Series |
| Thread Size | 1/8" Female Pipe Thread (FPT) both ends |
| Housing Material | PVC (Polyvinyl Chloride) |
| Seal Material | BUNA-N (Nitrile Rubber) |
| NSF Certification | Yes, NSF-certified for potable water contact |
Where This Check Valve Fits
The SMC 426 Series check valve installs inline on 1/8" threaded connections to prevent reverse flow in RO systems, booster pump lines, and water treatment equipment. The BUNA-N seals handle standard municipal water temperatures and pressures, while the PVC body resists corrosion from treated water. Thread both 1/8" FPT ports into existing plumbing using compatible male adapters or fittings. Ideal for protecting pumps, gauges, and sensitive filtration components from backpressure or siphoning.
Original: $13.68
-65%$13.68
$4.79Product Information
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Description
SMC 426 Series Check Valve Core Specs
Complete Valve Specifications
| Manufacturer | SMC |
| Model Number | 5720990 |
| Series | 426 Series |
| Thread Size | 1/8" Female Pipe Thread (FPT) both ends |
| Housing Material | PVC (Polyvinyl Chloride) |
| Seal Material | BUNA-N (Nitrile Rubber) |
| NSF Certification | Yes, NSF-certified for potable water contact |
Where This Check Valve Fits
The SMC 426 Series check valve installs inline on 1/8" threaded connections to prevent reverse flow in RO systems, booster pump lines, and water treatment equipment. The BUNA-N seals handle standard municipal water temperatures and pressures, while the PVC body resists corrosion from treated water. Thread both 1/8" FPT ports into existing plumbing using compatible male adapters or fittings. Ideal for protecting pumps, gauges, and sensitive filtration components from backpressure or siphoning.
