Model: VEF (Flow Type), VEF Port, Body Size, Characteristics: 2121-3 (Max. Effective Area 5mm²), VEP Body Size, Characteristics: N/A, Port Size: 03 (3/8), Thread: T (NPTF)

Model: VEF (Flow Type), VEF Port, Body Size, Characteristics: 2121-3 (Max. Effective Area 5mm²), VEP Body Size, Characteristics: N/A, Port Size: 02 (1/4), Thread: N (NPT)

Model: VEF (Flow Type), VEF Port, Body Size, Characteristics: 2121-3 (Max. Effective Area 5mm²), VEP Body Size, Characteristics: N/A, Port Size: 03 (3/8), Thread: N (NPT)

Model: VEF (Flow Type), VEF Port, Body Size, Characteristics: 2121-3 (Max. Effective Area 5mm²), VEP Body Size, Characteristics: N/A, Port Size: 02 (1/4)

Model: VEF (Flow Type), VEF Port, Body Size, Characteristics: 2121-3 (Max. Effective Area 5mm²), VEP Body Size, Characteristics: N/A, Port Size: 03 (3/8), Thread: F (G)

Effective Area 5mm², VEP Body Size, Characteristics: N/A, Port Size: 3/8, Thread: -

Effective Area 5mm², VEP Body Size, Characteristics: N/A, Port Size: 3/8, Thread: NPTF

Model: Flow Type, VEF Port, Body Size, Characteristics: Max. Effective Area 5mm², VEP Body Size, Characteristics: N/A, Port Size: 1/4, Thread: NPT

Effective Area 5mm², VEP Body Size, Characteristics: N/A, Port Size: 3/8, Thread: NPT

Model: Flow Type, VEF Port, Body Size, Characteristics: Max. Effective Area 5mm², VEP Body Size, Characteristics: N/A, Port Size: 1/4, Thread: -

Effective Area 5mm², VEP Body Size, Characteristics: N/A, Port Size: 3/8, Thread: G

, Port sizes: 1/4, 3/8, 1/2, 3/4 , Ambient temperature: 0~50C , Max. operating pressure: 1.0 MPa, VEF BASE MT 3/8, VALVE, VEF PROPORTIONAL VALVE, QD, VEF BASE MT 3/8, 2.1495 lb, ModelItemPort size RcFluidProof pressureMaximum operating pressureAmbient and fluid temperatureResponse timeHysteresisRepeatabilitySensitivityLinearityLubricationWeight (kg)Flow typeVEF21211 4 , 3 8, 1 2Air

3 8, 1 2Air (Inert gas)1.5 MPa1.0 MPa0 to 50C (With no condensation)0.03 s or less3% F.S.3% F.S.0.5% F.S.

Electro-pneumatic proportional valve , Pressure type and flow type , Port sizes: 1/4, 3/8, 1/2, 3/4 , Ambient temperature: 0~50°C , Max. operating pressure: 1.0 MPa, Electro-Pneumatic Proportional Valve, PROPORTIONAL VALVE, I14, 900.00000 lb

no condensation)0.03 s or less3% F.S.3% F.S.0.5% F.S.

to 50C (With no condensation)0.03 s or less3% F.S.3% F.S.0.5% F.S.

to 50C (With no condensation)0.03 s or less3% F.S.3% F.S.0.5% F.S.

(kg)Flow typeVEF21211 4 , 3 8, 1 2Air (Inert gas)1.5 MPa1.0 MPa0 to 50C (With no condensation)0.03 s or less3% F.S.3% F.S.0.5% F.S.

Electro-pneumatic Proportional Valve Series VEF/VEP 1

VEF2121 VEF3121 VEF2141 VEF3141 VEF2121 VEP3121 VEP3141 AV Item 4 1 8 3 , 4 1 8 3 , 4 1 , 8 3 2 1 8 3 , 2 1 4 3 , 8 3 , 2 1 4 3 , , Port size Rc AU Fluid Air (Inert gas) 1.5 MPa 1.0 MPa Proof pressure AF Maximum operating pressure 0 to 50C (With no condensation) Ambient and fluid temperature AR Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office

Electro-Pneumatic Proportional Valve Series VEF/VEP

Model Flow type Pressure type VEF2121 VEF3121 VEF2141 VEF3141 VEF2131 VEP3121 VEP3141 Item 4 1 8 3 , 4 1 8 3 , 4 1 , 8 3 2 1 8 3 , 2 1 4 3 , 8 3 , 2 1 4 3 , Port size Rc , Fluid Air Maximum operating pressure 1.0 MPa 0 to 50C (With no condensation) Ambient and fluid temperature 0.03 s or less 0.03 s or less 0.05 s or less 0.05 s or less Response time Hysteresis 3% F .S.