Directional Valves

EV16-S34 — Vented Spool-Type Logic Element
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EV16-S34 Valve

SYMBOL:
EV16-S34 Valve symbol

DESCRIPTION
A spool-type, screw-in, cartridge-style, hydraulic directional element, with multifunction potential when
used with other directional, pressure, or flow control devices.

OPERATION
The EV16-S34 is a spring-biased blocking valve which will shift to allow full flow from
1 to 2 only when 3 is vented to create a pressure drop across the internal orifice which exceeds the
pressure value of the selected bias spring.
EV16-S34 is a vent-to-open directional valve. It requires a tall cap when specified with bias springs
from 6,2 to 16,5 bar (90-160 psi). The 240 psi spring requires an extra tall cap.
Note: Orifice discs should not be used with this valve.

FEATURES
• Multiple function/application potential.
• Smooth shift transition.
• Low pressure drop.
• Tall cap version for higher bias springs 90, 110 and 160. The tall cap is also
  required when the valve is specified with manual overide and the 40 size bias
  spring. Extra tall cap version for bias spring 240.
• Optional manual override only for 40, 90, 110, 160 and 240 psi bias springs.
• "G" metering option for metered flow control when opening.
• Industry common cavity.

RATINGS
Operating Pressure: 240 bar (3500 psi)
Proof Pressure: 420 bar (6090 psi)
Flow: 189 lpm (50 gpm)
Internal Leakage: 164 cc/minute (10 cu. in/minute) max. at 207 bar (3000 psi)
Operating Temperature: -40 to 100 °C (-40 to 212 °F) with Buna seals;
   -26 to 204 °C (-15 to 400 °F) with Fluorocarbon seals;
   -54 to 104 °C (-65 to 225 °F) with Polyurethane seals
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
   7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: Tall cap required for 90, 110 and 160 bias springs and valves ordered with manual
   override and the 40 size bias spring. An extra tall cap is required for the 240 spring. For general
   installation instructions; See page 9.020.1
Cavity: VC16-S3; See page 9.116.1_3w
Cavity Tool: CT16-S3xx; See page 8.600.1
Seal Kit: SK16-S3x-MM; See page 8.650.1

 

PERFORMANCE:

EV16-S34 Performance Chart

 

DIMENSIONS:

EV16-S34 Valve Dimensions

 


MATERIALS:

Cartridge: Weight: 0.29 kg. (0.63 lbs.)
With tall cap 0.41 kg (0.91 lb.); With 240
spring and extra tall cap 0.72 kg. (1.58 lb.)
With tall cap and manual override 0.57 kg.
(1.26 lb.) With extra tall cap and manual
override 0.86 kg. (1.90 lb.) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N seals are standard.

Ported Body: Weight: 1.50 kg.
(3.3 lbs.) Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar
(3000 psi). Ductile iron bodies available; dimensions may differ. See page 8.016.1_3w
ORDERING CHART:

EV16-S34 Ordering Chart

Selection guide - similar valves.
PDF file of this page. Request a quote.