ARI Armaturen
Check Valves
ARI-CHECKO V
Non-return check valve preventing reverse flow and protecting pumps and equipment from backflow damage.
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Technical Specifications
| Type | Check valve, straight-through / angle / Y-pattern |
|---|---|
| Nominal size | DN15–500 |
| Pressure rating | PN6 – PN40 |
| Body material | Grey cast iron, SG iron, cast steel, stainless steel |
| End connection | Flanged or butt-weld |
| Sealing | Metallic (PTFE soft-seal optional) |
Key Features
- Solid plug and seat in stainless material
- Stainless-steel re-setting spring for reliable closing
- Precise plug / disc guidance
- Leakage rate C metallic / A soft-seal per DIN EN 12266-1
- Type-tested to EN ISO 15848-1 / TA-Luft
