Pneumatic Springless Diaphragm Valve (SF)

최고관리자 0 3,512 2013.05.02 19:46
SF_Pneumatic.gif
Dimensions Major Specifications
  Pneumatic Actuators
Cv Value 0.6
Orifice Size 5.8mm
Max. Working Pressure (G.) Vacuum to 150 psig (10bar)
Operating Pressure (G.) 60 ~ 100 psig (4.1~7bar)
Burst Pressure (G.) 3,200 psig (220bar)
Max. Working Temp. -10 ~ 150℉ ( -23 ~ 65℃)
Internal Leakage Allowance (He)
Test Pressure ≤1 x 10-2 Torr
≤1 x 10-9 atm ˙ cc/sec
External Leakage Allowance (He)
Test Pressure ≤1 x 10-2 Torr
≤1 x 10-9 atm ˙ cc/sec
Particle Inspection (BA, EP)
Pressure : 60~80psi N2 Gas
Sample Volum : 1CFM
0.1㎛ and Larger
No Count
Material
Body 316L Stainless Steel,
316L Stainless Steel Remelted
Seat PCTFE
Diaphragm Ni-Co Alloy
O-Ring FKM
Ordering Information
GRADE BA EP
Inner Surface Roughness Ry ≤ 3.0 ㎛
10 μ inch Ra(Avg.)
Cut Off Length : 0.8mm
Measuring Length : 4mm
Ry ≤ 0.7 ㎛
5 μ inch Ra(Avg.)
Cut Off Length : 0.25mm
Measuring Length : 1.25mm
Polishing Machining Finish Electro Polishing Finish
Example Part Numbers
Ordering S8SF-VM-L-GR-P
Material 316L Stainless Steel
Series Manual diaphragm Valve
End Connection 1/2” Male integral MFS fitting
Flow Straight Type
Manual Handle Locking Handle
Handle Color Green
Pneumatic -
Grade EP Grade
Color Coded Handles * Eight handle colors are available * Blue Handle as standard Flow Path
Ports Schematic Flow Path Designator
Closed Open
4 Port


4
 

5
3 Port


1



2
 
3



6


7
2 Port


8



9


  10
End Connections
End Connection Basic Ordering L mm(inch)
Inlet/Outlet Size Number
Female MFS Fittings 1/4”
S4SF-VF- 70.6 (2.78)
1/2” S8SF-VF- 106 (4.16)
Male MFS Fittings 1/4”
S4SF-RM- 75.2 (2.96)
1/2” S8SF-RM- 106 (4.16)
Tube Butt Weld 1/4”
S6SF-TW- 57.1 (2.25)
1/2” S8SF-TW-