CHECK VALVE - NPT MALE X NPT MALE
CHECK VALVE - NPT MALE X NPT MALE
A Check Valve – NPT Male x NPT Male is a compact, inline valve that enables flow in only one direction and automatically blocks reverse flow. This configuration features male NPT (National Pipe Thread) connections on both ends, making it ideal for direct installation into female-threaded ports or fittings in process lines. These valves are commonly used in fluid handling, gas distribution, hydraulic systems, and other industrial applications where backflow prevention is critical. The valve mechanism typically includes a spring-loaded poppet or disc, which opens when forward pressure exceeds the valve’s cracking pressure, and closes when backpressure is present.
- NPT Male x NPT Male ends: For direct connection into female-threaded piping or equipment.
- Unidirectional flow control: Blocks reverse flow automatically.
- Compact body design: Suitable for tight installations or inline assemblies.
- Spring-loaded internal mechanism: Ensures fast and reliable sealing action.
- Wide range of sizes: Commonly from 1/8” to 1” NPT.
- Material versatility: Available in stainless steel, brass, carbon steel, or exotic alloys.
- Protects pumps, compressors, and instruments from damage due to backflow.
- Reduces system downtime by maintaining flow direction integrity.
- Quick and easy installation into threaded systems without adapters.
- Long service life with corrosion- and wear-resistant internal components.
- Ideal for both low and high pressure systems, based on selected pressure ratings
| Part Number | T (Tube OD) | Tx | Tx (UN/UNF-2A) | L (mm) | L1 (mm) | L2 (mm) | Ø D (mm) | H (inch) | H1 (inch) |
|---|---|---|---|---|---|---|---|---|---|
| 4-AME-4UF | 1/4″ | 1/4″ | 7/16″-20 | 28.4 | 21.1 | 28.4 | 4.8 | 1/2 | 9/16 |
| 4-AME-6UF | 1/4″ | 3/8″ | 9/16″-18 | 30.5 | 23.1 | 32.3 | 4.8 | 5/8 | 11/16 |
| 5-AME-5UF | 5/16″ | 5/16″ | 1/2″-20 | 30.2 | 22.8 | 29.5 | 5.8 | 9/16 | 5/8 |
| 6-AME-6UF | 3/8″ | 3/8″ | 9/16″-18 | 32.0 | 24.6 | 32.3 | 7.1 | 5/8 | 11/16 |
| 6-AME-8UF | 3/8″ | 1/2″ | 3/4″-16 | 34.8 | 19.3 | 37.8 | 7.1 | 13/16 | 7/8 |
| 8-AME-8UF | 1/2″ | 1/2″ | 3/4″-16 | 37.6 | 27.4 | 37.8 | 10.4 | 13/16 | 7/8 |
| 10-AME-10UF | 5/8″ | 5/8″ | 7/8″-14 | 39.6 | 29.5 | 43.4 | 12.7 | 15/16 | 1 |
| 12-AME-12UF | 3/4″ | 3/4″ | 1.1/16″-12 | 41.4 | 31.2 | 48.7 | 15.7 | 1.1/16 | 1.1/4 |
| 14-AME-14UF | 7/8″ | 7/8″ | 1.3/16″-12 | 43.2 | 33.0 | 50.5 | 18.3 | 1.3/8 | 1.1/4 |
| 16-AME-16UF | 1″ | 1″ | 1.5/16″-12 | 50.4 | 38.3 | 53.6 | 22.3 | 1.3/8 | 1.1/2 |