Name: | DVN Pneumatic valve |
DVN SERIER Low Pressure Pneumatic Diaphragm Valve Specifications • Reduced inner capacity • Electropolished , D.I. water cleaned , assembled ,tested and packaged in 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-22™ and custom configurations available upon request. |
DVN Series: pneumatic valve; diaphragm valves; gas flow meter; manual valve; dual actuator valve
ow Pressure Pneumatic Diaphragm Valve
Specifications
• Reduced inner capacity
• Electropolished , D.I. water cleaned , assembled ,tested and packaged in 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-22™ and custom configurations available upon request.
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.) | 0.4~0.7Mpa | ||
Max.Working Temp. | PCTFE:-10℃~65℃/PFA:-10℃~120℃/PI:-10℃~150℃ | ||
Internal Leakage Allowance(He) | 1x10-10Pa.M3/S | ||
Test Pressure ≦1x10-2Torr | |||
Holding Time ≧15 sec | |||
External Leakage Allowance(He) | 1x10-10Pa.M3/S | ||
Test Pressure ≦1x10-2Torr | |||
Holding Time ≧1 min | |||
Particle Inspection(EP only) | No count | ||
Pressure:60~80psi N2 Gas | |||
Sample Volume:1CMF | |||
0.1μm and Larger |
Product Grade | AP | BA | EP |
Inner | Ry≦25μm | Ry≦25μm | Ry≦25μm |
10μinch RA(Avg.) | 5μinch RA(Avg.) | ||
Surface | Cut off length:2.5mm | Cut off length:0.8mm | Cut off length:0.25mm |
Roughness | Measuring Length:12.5mm | Measuring Length:4mm | Measuring Length:1.25mm |
Polishing | Machining Finish | Machining Finish | Electro Polishing Finish |
Order Information | |||||||||||
DVN | Code | Material Type | |||||||||
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S | SUS316L Single Melt(Standard Type) | |||||||||
D | SUS316L Double Melt | ||||||||||
4S | SUS304 | ||||||||||
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Code | Size Type | |||||||||
4 | 1/4"(Standard Type) | ||||||||||
6 | 3/8" | ||||||||||
8 | 1/2" | ||||||||||
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3/4" | ||||||||||
Code | Connection Type | ||||||||||
SW | Lok(Standard Type) | ||||||||||
VM | MFS Male | ||||||||||
VF | MFS Female | ||||||||||
TW | Butt Weld | ||||||||||
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Code | Operation Method Type | |||||||||
C | Normally Close(Standard Type) | ||||||||||
O | Normally Open | ||||||||||
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Code | Option | |||||||||
x47 | Constant Bleed φ0.3(Standard Type) | ||||||||||
x59 | Constant Bleed φ0.6 | ||||||||||
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Code | Grade Type | |||||||||
B | BA Grade | ||||||||||
P | EP Grade | ||||||||||
A | AP Grade | ||||||||||
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Code | Logo | |||||||||
F | FGT Logo(Standard Type) | ||||||||||
C | Customer Logo | ||||||||||
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DVN | Complete Ordering Code | ||||||||||
*Note:Using customer Logo launch to more than 1000 united for one year |