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Product
CV Series Check Valves
| Critical Specifications | ||
| Size | 1/4" | 3/8" & 1/2" |
| CV Value | 0.55 | 0.7 |
| Max. Working Pressure | 3000psi | |
| Nominal Reseal Pressure | 4psi | |
| Nominal Cracking Pressure | 2psi | |
| Max. Working Tempeuratur | 14°F to 176°F (-10°C to 80°C) | |
| External Leakage Allowance (He) | ≤1x10-9 atm.cc/s | |
| Test Pressure ≤1x10-2 Torr | ||
| Holding Time ≥ 1 min. | ||
| Particle Inspection (EP only) | No Count | |
| Pressure: 60-80psi N2 Gas | ||
| Sample Volume: 1 CFM | ||
| 0.1 μm and larger | ||
CV Series Check Valve Features:
- 316L SS body material, for improved corrosion resistance.
- All-welded design provides reliable containment of system fluid.
- Consevative panel space.
- Noise free operations.
- Assembled and packaged in certified clean room.
Product Grade:
| Grade | Non EP | EP |
| Surface Finish | ≤10 Ra | ≤5 Ra |
| Polishing | Machined Finish | Electropolished Finish |
Material:
| Body | 316 L SS / 316 L SS Double Melt |
| Seal Ring | FPM/Neoprene |
| Spring | Hastelloy C-22 |
Ordering Information:
| Material | Size | Connection | Grade |
| S 316L SS | 4 1/4" | MFS Male Face Seal | Blank EP |
| D 316L SS Double Melt | 8 1/2" | FFS Feale Face Seal | E Electropolished |
Example Ordering Number:
CV-S-4MFS-E
CV = Valve Series = UHP Check Valve
S = Material = 316L SS
4 = Connection Size = 1/4"
MFS = Connection Type = Male Face Seal
E = Finish Grade= Electropolished