Spring-Loaded Non-Return Check Valves
Reliable silent check valves preventing back-siphonage and maintaining pump prime in agricultural pipe systems.
Key Engineering Benefits
- Can be installed in any orientation (vertical up, down, or horizontal)
- Stainless steel Grade 316 spring ensures positive sealing at lowest cracking pressure
- Conical elastomeric seat provides silent, bubble-tight closure without slamming
- Chemical-resistant body suitable for liquid fertiliser and acid injection lines
- Easily disassembled for field inspection and debris removal
Technical Specifications
Certified engineering data, material compositions, and manufacturing tolerances.
| Sizes Available | 20mm (3/4"), 25mm (1"), 32mm (1-1/4"), 40mm (1-1/2"), 50mm (2") BSP |
| Cracking Pressure | 2.5 kPa (0.025 Bar / 0.36 PSI) very low resistance |
| Max Pressure | 1,000 kPa (10 Bar / 145 PSI) |
| Body Material | Polypropylene Copolymer with UV Stabilisation |
| Internal Spring | Grade 316 Marine Stainless Steel |
| Poppet Disc | POM Acetal with Santoprene / EPDM seal |
| Flow Direction | Directional arrow clearly cast onto valve body |
| Warranty | 2-Year Commercial Warranty |
Recommended Civil & Agricultural Applications
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