Specifications | |||
Size | KD4S(1/4″) | KD8S(1/2″) | |
Cv *1 | 0.19 | 0.5 | |
Maximum Operating Pressure | 101psig (0.7MPa(G)) | ||
Wetted Area Volume *2 | 0.083in3 (1.36cm3) | 0.449in3 (7.36cm3) | |
Fluid Temperature | 60℃~200℃ *3 | ||
Atmospheric Temperature | 60℃~200℃ | ||
Leak Rates | Across the Seat He Leak Rates | ≦ 1×10-9 sccs(≦ 1×10-10 Pa・m3/sec) | |
Inboard He Leak Rates | ≦ 1×10-9 sccs(≦ 1×10-10 Pa・m3/sec) | ||
Actuation Pressure (Pneumatic valve) | 58-101psig (0.4 ‒ 0.7 MPa(G)) | ||
Cycle Life *4 | Manual Valve | 10,000 cycles | |
Pneumatic valve | 5 million cycles | ||
*1 The minimum value is stated by Cv value measurement (200˚C) based on SEMASPEC-90120394B-STD. *2 Calculated value from the CVC male drawing dimensions *3 If not in continuous use, normal temperature to 200˚C. *4 N.C. valve: In-house durability test performance value in a 200˚C constant temperature bath with N2 charged at 101psig (0.7MPa(G)). Manual valve: In-house durability test performance value by heating the body section at 200˚C. |
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Product Grade | |||
Grade | STD | EP | SEP |
Body Material | SUS316L | SUS316LE (Double melt material) | |
Surface Roughness | ≦ Rz 3.2 μm | ≦ Rz 0.7 μm | |
Polish | Mechanical polished | Electro polished | |
Cleaning | Degreasing + Precision cleaning | ||
Packaging | Single bagged package | Double bagged package |
Model | Size | Temperature | Operation | Valve Shape | Connection | Seat Material | Cv Adjustment (Pneumatic valve only) | Handle Color | Grade | ||||
KD | 4 | S | C | S | - | V | A | - | _ | - | _ | - | EP-316L |
KD - type Diaphragm Valve | 4: 1/4" 8: 1/2" | S: 200°C 101psig (0.7MPa(G)) Highly durable | M: Manual valve C: Normally Closed | S: Straight A: Angle L: L-shape B: Branch | V: CVC Male VF: CVC Female W: Tube end | A: PFA | Not Shown: Adjusted N: Not adjusted | Not Shown: Base material color BL: Blue | STD-316L: Mechanical Polished + SUS316L EP-316L: Electro Polished + SUS316L SEP-316LE: Electro Polished + Double melt material |