企业动态
韩国TKSCT总代理 S4PDV-SW-C-P气动隔膜阀 韩国TKSCT
发布时间：2018/4/4 9:45:00S4PDV-SW-C-P S4PDVN-SW-C韩国TKF原厂
S4PDV-SW-C-P S4PDVN-SW-C韩国TKF热销型号
S4PDV-SW-C-P S4PDVN-SW-C韩国TKF全国总代理
Low Pressure Pneumatic Diaphragm Valve (PDVN)
| ■ Reduced inner capacity. ■ Electropolished, D.I. water cleaned, assembled, tested and packaged in a certified clean room. ■ Minimal contributions of Moisture, Oxygen and Hydrocarbon. ■ Permanently heat code laser marked; material traceable to original mill certificate of test. ■ Hastelloy? C-22TM and custom configurations available upon request. |
Major Specifications
| Size | 1/4″ | 3/8″, 1/2″ | 3/4″ |
|---|---|---|---|
| Cv Value | 0.3 | 0.7 | 0.7 |
| Orifice Size | 4.5mm | 7.8mm | 7.8mm |
| Max. Working Pressure (G.) | 1MPa | ||
| Operating Pressure (G.) | 0.4~0.6MPa | ||
| Max. Working Temp. | PCTFE : -10℃ ~ 80℃ / PI,PFA : -10℃ ~ 150℃ | ||
|
Internal Leakage Allowance (He) Test Pressure ≤ 1×10-2 Torr Holding Time ≥ 15 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 |
Product Grade
| 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 |
Material
| NO. | NAME | MATERIAL |
|---|---|---|
| 1 | Body |
316L Stainless Steel 316L Stainless Steel Remelted 304 Stainless Steel |
| 2 | Seat | PCTFE / PI / PFA |
| 3 | Diaphragm | Ni-Co Alloy |
| 4 | Handle | ALUMINUM |
Ordering Number
| MATERIAL | SIZE | CONNECTION | OPERATION METHOD | OPTION | GRADE | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 316L Stainless Steel | 4 | 1/4″ | VM | MFS Male | C | Normally Close | ×47 | Constant Bleed ?0.3 | AP | AP Grade |
| D | 316L Stainless Steel Remelted | 6 | 3/8″ | VF | MFS Female | O | Normally Open | ×59 | Constant Bleed ?0.6 | BLANK | BA Grade |
| 4S | 304 Stainless Steel | 8 | 1/2″ | SW | Lok | - | - | - | - | P | EP Grade |
| - | - | 12 | 3/4″ | TW | Butt Weld | - | - | - | - | - | - |