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High Pressure Pneumatic Diaphragm Valve(STD TYPE)

TKSCT 0 2,536 2015.09.08 11:19
High Pressure Pneumatic Diaphragm Valve.gif
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
PRODUCT GRADE
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
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
ORDERING INFORMATION
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