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 2 1 8 1 4 3 VFA5444-02-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
-02 2 1 8 1 4 3 VFA5444-02-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
single 2 position double 1/4, 3/8, 1/2 [4 (A), 2 (B) port] 1/4, 3/8, 1/2 [4 (A), 2 (B) port] 02 03 04 VFA5244(-P) 02 03 04 VFA5144(-P) 36 (39.5) 27 (31) 36 (39.5) 27 (31) SYA 14 (15.5) 14 (15.5) SYJA 20.5 (24.5) 20.5 (24.5) VZA 92 (100) 1/8 [Pilot port: Lateral (-P)] 1/8 [Pilot port: Lateral (-P)] VFA VFA 82 (87) 51.5 (55.5) 82 (87) 5 (6.5) 51.5 (55.5) VFRA 2B 4A 2B 4A VPA4 42 (45) 52 (58