Proportional Valves EVF-13
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Features
- The electro-proportional throttle valve, Is either a normally- open type or normally- closed type, The valve is open or closed THROUGH spring biased FUNCTION. Energizing the coil generates an opening or closing force on the spool proportional to the command current and this force is countered by the spring and flow forces. This force balance creates a metering orifice whose effective size is proportional to the current. The valve exhibits a large degree of self-compensation in the 1 to 2 direction and will provide proportional flow control in the 2 to 1 direction with the addition of an external compensator. Full reverse flow (2 to 1) with 100% command or no command in the 2 to 1 direction is possible without a compensator under all conditions.
- Specifications
- How to Order
| Model Number | Operating Pressure | Maximum Flow | Weight |
|---|---|---|---|
| EVF-13 | 350 (5076 psi) | 40 (10.57 gpm) | 0.28 (0.62 lbs) |
| Fluid Type | ISO VG 32, 46, 68 | ||
| Viscosity | 10~400 (59~1854 SSU) | ||
| Operating Temperature | -30~100 (-22~212oF) | ||
| Contamination Level | ISO4406. 21/19/16 NAS1638,10 | ||
