Pressure Seal Swing Check Valve
Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 (ASME B16.34)
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Swing Check Valve
High Performance • Durable • Leak Proof
API 6DASME B16.34ISO 17292CE Certified
High quality Swing Check Valve from African Valve for reliable performance in demanding industrial applications.
Technical Specifications
Key Features & Applications
Check Valve Suppliers In South Africa provide valves designed to prevent reverse flow and protect pumps, pipelines, compressors and other process equipment from damage caused by backflow. Check valves operate automatically and do not normally require manual or powered actuation. When fluid moves in the intended direction, the disc or closure element opens. If the flow slows or reverses, the valve closes and helps maintain the required flow direction within the system.
Technical Specifications
| Parameter | Specification |
|---|---|
| Valve Type | Swing / Dual Plate / Lift / Tilting Disc / Axial Flow / Non-Slam |
| Size Range | DN15–DN1200, depending on design |
| Pressure Rating | PN10–PN40 / ASME Class 150–2500 |
| Body Materials & Grades | Carbon Steel: ASTM A216 WCB / Low-Temperature Carbon Steel: ASTM A352 LCB, LCC / Stainless Steel: ASTM A351 CF8, CF8M, CF3M / Alloy Steel: ASTM A217 WC6, WC9 / Duplex: ASTM A995 4A / Super Duplex: ASTM A995 5A, 6A |
| Disc Materials | SS304 / SS316 / Duplex / Super Duplex / Alloy Steel |
| Seat | Metal Seat / Resilient Seat |
| Flow Direction | Unidirectional |
| End Connection | Flanged / Butt Weld / Wafer / Lug / Threaded |
| Operation | Automatic |
| Installation | Horizontal / Vertical |
| Design Standards | API 594 / BS 1868 / ASME B16.34 |
| Face-to-Face | ASME B16.10 / API 594 |
| Inspection & Testing | API 598 / ISO 5208 |
Applications
- Oil & Gas
- Water & Wastewater
- Power Generation
- Petrochemical
- Chemical Processing
- Mining
- Industrial Processing
- Pump Discharge Systems
- Cooling Water Systems
- Pipeline Transmission
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Tilting Disc Check Valve
Pressure Class Options: • Class 150: 275 PSI maximum working pressure • Class 300: 720 PSI maximum working pressure • Class 600: 1440 PSI maximum working pressure Design verification per ASME B16.34 Hydrostatic testing per API 598 standards Pressure-temperature ratings available
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Single Plate Check Valve
Pressure Classes: ANSI Class 150, 300, 600. PN16, PN25, PN40, PN64, PN100. Spring-assisted or gravity operation available
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Non Slam Swing Check Valve
Pressure ratings: PN10 (150 PSI), PN16 (232 PSI), PN25 (363 PSI), Class 125 (200 PSI), Class 250 (415 PSI). Controlled closure operation.
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Lift Check Valve
Pressure classes: 150# (285 PSI), 300# (740 PSI), 600# (1440 PSI). Automatic operation with flow-dependent closure.
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