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| Specifications | |||
| Size | KD4-E（1/4″） | ||
| Cv *1 | 0.27 | ||
| Maximum Operating Pressure | 142 psig (0.98 MPa(G)) | ||
| Wetted Area Volume *2 | 0.083in3 (1.36cm3) | ||
| Fluid Temperature | PCTFE －10℃～80℃ PFA －10℃～150℃ |
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| Atmospheric Temperature | －10℃～60℃ | ||
| Leak Rates *3 | Across the Seat He Leak Rates | ≤ 1×10-9 sccs (≤ 1×10-10Pa·m3/s) | |
| Inboard He Leak Rates | ≤ 1×10-9 sccs (≤ 1×10-10Pa·m3/s) | ||
| Actuation pressure (Pneumatic valve) | 58～102 psig (0.4～0.7MPa(G)) | ||
| Cycle Life *4 | Manual Valve | 1,000 cycles | |
| Pneumatic Valve | 100,000 cycles | ||
| *1 The minimum value is stated by Cv value measurement (room temperature) based on SEMASPEC-90120394B-STD. *2 Calculated value from the CVC male drawing dimensions (standard value) *3 Value when sprayed in 5S and confirmed in 15S by the vacuum spray method *4 Durability performance with nitrogen gas filled + PCTFE: 80°C, PFA: 150°C |
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| Product Grade | |||
| Grade | STD | EP | SEP |
| Body Material | SUS316L | SUS316LE (Double melt material) | |
| Surface Roughness | ≤ Rz 126μin (3.2 μm) ≤ Ra 20μin (0.5μm) | ≤ Rz 28μin (0.7 μm) ≤ Ra 5μin (0.13μm) |
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| Polish | Mechanical polished | Electro polished | |
| Cleaning | Degreasing + Precision cleaning | ||
| Packaging | Single bagged package | Double bagged package | |
Model | Size | Operation | Valve Shape | Connection | Seat Shape | Seat Material | Flow | Grade + Body Material | |||
KD | 4 | C | S | - | V | E | C | - | _ | - | EP-316L |
KD - type Diaphragm Valve | 4: 1/4" | M: 270-degree turn manual valve C: Normally Closed | S: Straight B: Branch A: Angle L: L-type | V: CVC Male VF: CVC Female S: Compression Fitting W: Butt Welding | E: Seat replaceable type | C: PCTFE A: PFA | Not Shown: Standard A: A flow B: B flow C: C flow | STD-316L: Mechanical Polished + SUS316L EP-316L: Electro Polished + SUS316L SEP-316LE: Electro Polished + SUS316LE |
