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Low Pressure Manual Diaphragm Valve(FORGED BODY TYPE)

TKSCT 0 3,093 2015.09.08 14:09
Low Pressure Manual Diaphragm Valve.gif
MAJOR SPECIFICATIONSS
Size 1/4″ 3/8″,  1/2″
Cv Value 0.3 0.7
Orifice Size 4.4mm 7mm
Max. Working Pressure (G.) 1MPa
Max. Working Temp. PCTFE : -10°C ~ 80°C / PI, PFA : -10°C ~ 150°C
Internal Leakage Allowance (He) 1x10-10 Pa · m3/s
Test Pressure ≤ 1×10-2 Torr
Holding Time ≥ 30 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 / PI / PFA
3 Diaphragm Ni-Co Alloy
4 Handle ABS
ORDERING INFORMATION
MATERIAL SIZE CONNECTION GRADE
S 316L Stainless Steel 4 1/4″ VM MFS Male AP AP Grade
D 316L Stainless Steel VAR 6 3/8" VF MFS Female BLANK BA Grade
4S 304 Stainless Steel 8 1/2" SW Lok P EP Grade
        TW Butt Weld        

MODEL CONNECTION SIZE A B C D E F G
  MFS Male 1/4" 58 11 65.3 42 17 28  
3/8" 76 16 75.5 42 28 38  
1/2" 76 16 75.5 42 28 38  
  MFS Female 1/4" 78 11 65.3 42 17 28  
3/8" 104.6 16 75.5 42 28 38  
1/2" 104.6 16 75.5 42 28 38  
  Lok 1/4" 69.3 11 65.3 42 17 28 55
3/8" 82.5 16 75.5 42 28 38 68
1/2" 90.2 16 75.5 42 28 38 70
  Butt Weld 1/4" 58 11 65.3 42 17 28  
3/8" 72 16 75.5 42 28 38  
1/2" 72 16 75.5 42 28 38