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These types of valves are designed to allow the liquid to flow in one direction only, preventing reverse flow and assuring process integrity. They are designed for guaranteeing the highest level of hygiene both internally and externally. These check valves are suitable for vertical or horizontal installation, fully drainable in vertical position.
| Size range | ½” - 3/4” - 1” - 1” ½ - 2” - 3” - 4” - 6” |
| End connections | Tri-Clamp or butt weld dimensionally according to ASME BPE |
| Stainless steel in contact parts Material | AISI 316L - 1.4404 *spring in AISI 316 - 1.4401 |
| Shutter Material | From 1/2” to 4”: Modified PTFE 6”: AISI 316L - 1.4404 + O-ring For continuos steam application: AISI 316L - 1.4404 + O-ring |
| O-Ring Material | FKM (standard) - SILICONE - EPDM - FEP - FFKM |
| Internal surface finish | Ra ≤ 0.38μm |
| Working pressure rating (common use) |
From 1 to 6 barg *for other pressures or applications contact us |
| Working temperature rating | 0°C ÷ 150°C (Only for sterilization or short time) |
| Opening pressure | 0.03 ÷ 0.09 barg |
| Certifications | 3.1 material certificates (in contact) according to UNI EN 10204 FDA USP Class VI ATEX |