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High Pressure Pneumatic Diaphragm Valve(STD TYPE)
TKSCT
0
2,536
2015.09.08 11:19
MAJOR SPECIFICATIONSS
| Size | 1/4″ | 1/2″ |
|---|---|---|
| Cv Value | 0.28 | 0.7 |
| Orifice Size | 4.4mm | 8mm |
| Max. Working Pressure (G.) | 20.5MPa | |
| Operating Pressure (G.) | 0.5 ~ 0.7MPa | |
| Max. Working Temp. | PCTFE : -10°C ~ 40°C | |
| Internal Leakage Allowance (He) | 1x10-10Pa · m3/s | |
| Test Pressure ≤ 1×10-2 Torr | ||
| Holding Time ≥ 15 sec. | ||
| External Leakage Allowance (He) | 1x10-10 Pa · m3/s | |
| Test Pressure ≤ 1×10-2 Torr | ||
| Holding Time ≥ 1 min. | ||
| Particle Inspection (EP only) | No count | |
| Pressure : 60~80psi N2 Gas | ||
| Sample Volume : 1CFM | ||
| 0.1µm and Larger | ||
| GRADE | AP | BA | EP |
|---|---|---|---|
| Inner Surface Roughness |
Ry ≤ 25µm Cut off Length : 2.5mm Measuring Length : 12.5mm |
Ry ≤ 3.0µm 10 µinch Ra(Avg.) Cut off Length : 0.8mm Measuring Length : 4mm |
Ry ≤ 0.7µm 5 µinch Ra(Avg.) Cut off Length : 0.25mm Measuring Length : 1.25mm |
| Polishing | Machining Finish | Machining Finish | Electro Polishing Finish |
MATERIAL
ORDERING INFORMATION
| NO. | NAME | MATERIAL |
|---|---|---|
| 1 | Body | 316L Stainless steel 316L Stainless steel VAR 304 Stainless Steel |
| 2 | Seat | PCTFE |
| 3 | Diaphragm | Ni-Co Alloy |
| 4 | Actuator | Aluminum |
| MATERIAL | SIZE | CONNECTION | OPTION | GRADE | |||||
|---|---|---|---|---|---|---|---|---|---|
| S | 316L Stainless Steel | 4 | 1/4″ | VM | MFS Male | C | Normally Close | AP | AP Grade |
| D | 316L Stainless Steel VAR | 8 | 1/2" | VF | MFS Female | BLANK | BA Grade | ||
| 4S | 304 Stainless Steel | P | EP Grade | ||||||
| MODEL | CONNECTION | SIZE | A | B | C | D | E | F | G |
|---|---|---|---|---|---|---|---|---|---|
| MFS Male | 1/4" | 58.7 | 11.1 | 119.8 | 57.5 | 18 | 28 | ||
| 1/2" | 82.5 | 18.3 | 134.1 | 57.5 | 27 | 44.3 x 38 | |||
| MFS Female | 1/4" | 76.2 | 11.1 | 119.8 | 57.5 | 18 | 28 | ||
| 1/2" | 114.3 | 18.3 | 134.1 | 57.5 | 27 | 44.3 x 38 |