VFA 5 Port air operated valves are available in body ported or base mounted styles. The VFA uses the same manifolds as VF Series.
- Operating pressure range (MPa): 0.15 to 1.0
- Flow characteristics (Cv): VFA1000: 0.13, VFA3000: 0.75, VFA5000: 2.9
- Applicable cylinder size: VFA1000: ø40, VFA3000: ø80, VFA5000: ø125
5 Port Air Operated Valve Series SYA3000/5000/7000 1 , South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com (P , A, B port) (EA, EB port) (P , A, B port) (EA, EB port) 03 04 03 04 03 04 3 position closed center: VFRA43113 position exhaust center: VFRA44113 position pressure center: VFRA4511(Pilot port) Main valve manual override (Direct manual) (Mounting hole) (Pilot port
-02-X1 5 Base mounted (1) VFA5144-03 2 3 8 3 VFA5444-03-X1 5 VFA5144-04 2 1 2 3 VFA5444-04-X1 5 Note 1) With sub-plate Note 2) { }: Normal position 5-3-15 8 Series VFA5000 Dimensions: Body Ported 2 position single: VFA5120-02 03 2 position double: VFA5220-02 03 (Pilot port) (Mounting hole for manifold) (Pilot port) (Mounting hole for manifold) Courtesy of Steven Engineering, Inc.-230 Ryan
-02-X1 5 0.35{0.34} 0.31 0.29 0.29 0.28 2.1{1.9} 1.5 2.3 2.3 1.8 0.35{0.48} 0.34 0.34 0.34 0.27 2.1{0.85} 2.2 2.2 2.0 2.0 VFA5144-03 2 3 8 3 VFA5444-03-X1 5 0.26{0.31} 0.31 0.32 0.32 0.32 3.4{2.2} 1.4 3.0 3.0 2.0 0.33{0.48} 0.43 0.43 0.41 0.39 2.0{0.74} 2.7 2.7 2.1 2.4 VFA5144-04 2 1 2 3 VFA5444-04-X1 5 0.21{0.40} 0.35 3.1{2.5} 1.6 0.18{0.47} 2.6{0.78} Note 1) With sub-plate Note 2) { }:
: 0.56 34.2 (1.9) 34.2 (1.9) 33 (1.8) 36 (2) 45 (2.5) 52 (2.9) 02 03 04 1 8 3 8 1 2 1 4 , , : 0.52 02 03 04: 0.57 1 8 45 (2.5) 52 (2.9) VFA5244 2 position double 02 03 04 3 8 1 2 1 4 , , Body ported : 0.66 02 03 04: 0.71 VFA5344 -X1 3 position closed center 1 8 34 (1.9) 38 (2.1) 02 03 04 JIS Symbol 3 8 1 2 1 4 , , 2 position double 2 position single : 0.66 02 03 04: 0.71 VFA5444 -X1 3 position