High Pressure Manual Diaphragm Valve (HDV3)
최고관리자
0
6,172
2013.04.26 14:09
Major Specifications
| Size | 1/4″ |
|---|---|
| Cv Value | 0.1 |
| Orifice Size | 2.3mm |
| Max. Working Pressure (G.) | 23.5MPa |
| Max. Working Temp. | -10℃ ~ 40℃ |
|
Internal Leakage Allowance (He) Test Pressure ≤ 1×10-2 Torr Holding Time ≥ 30 sec. |
1x10-10Pa · m3/s |
|
External Leakage Allowance (He) Test Pressure ≤ 1×10-2 Torr Holding Time ≥ 1 min. |
1x10-10Pa · m3/s |
|
Particle Inspection (EP only) Pressure : 60~80psi N2 Gas Sample Volume : 1CFM 0.1㎛ and Larger |
No count |
| GRADE | AP | BA | EP |
|---|---|---|---|
|
Inner Surface Roughness |
Ry ≤ 25㎛ Cut off Length : 2.5mm Measuring Length : 12.5mm |
Ry ≤ 3.0㎛ 10 μinch Ra(Avg.) Cut off Length : 0.8mm Measuring Length : 4mm |
Ry ≤ 0.7㎛ 5 μinch Ra(Avg.) Cut off Length : 0.25mm Measuring Length : 1.25mm |
| Polishing | Machining Finish | Machining Finish | Electro Polishing Finish |
| NO. | NAME | MATERIAL |
|---|---|---|
| 1 | Body |
316L Stainless Steel 316L Stainless Steel Remelted 304 Stainless Steel |
| 2 | Seat | PCTFE |
| 3 | Diaphragm | Ni-Co Alloy |
| 4 | Handle | ALUMINUM |
| MATERIAL | SIZE | CONNECTION | FLOW | GRADE | |||||
|---|---|---|---|---|---|---|---|---|---|
| S | 316L Stainless Steel | 4 | 1/4″ | VM | MFS Male | 12T3 | AP | AP Grade | |
| D | 316L Stainless Steel Remelted |
- | - | VF | MFS Female | BLANK | BA Grade | ||
| 4S | 304 Stainless Steel | - | - | SW | Lok | 13T2 | P | EP Grade | |
| - | - | - | - | TW | Butt Weld | - | - | ||
| MODEL | CONNECTION | A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|---|---|
| MFS Male | 57 | 11 | 74 | 48 | - | 25.4 | 28.5 | 3.5 | |
| MFS Female | 70.6 | 11 | 74 | 48 | - | 25.4 | 28.5 | 3.5 | |
| Lok | 74 | 11 | 74 | 48 | 13.5 | 25.4 | 28.5 | 3.5 | |
| Butt Weld | 135 | 11 | 74 | 48 | - | 25.4 | 28.5 | 3.5 |