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Diesel Engine Controls
EP12-S35 — Piloted, Spool-Type, Directional Element
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A spool-type, screw-in, cartridge-style, pilot-to-close directional element, with
multi-function potential when used with other directional, pressure, or flow control
devices.Can be used as a pressure regulator for diesel engine applications including
variable flow pump controls, fuel and oil controls, SCR/EGR and exhaust controls
and transmission controls.
The EP12-S35 is a spring-biased blocking valve which will shift to allow full flow from
1 to 2 only when pressure at 1 exceeds the cumulative pressure of 3, plus the bias
spring pressure value.
EP12-35 is a pilot-to-close directional valve. With no pressure at 3, flow will be allowed
from 1 to 2 once the bias spring force is overcome with pressure at 1.
• Compatible with diesel fuel types 1 and 2.
• Corrosion-resistant plating.
• Stainless steel option - consult factory.
• Multiple function/application potential.
• Low pressure drop.
• Industry-common cavity.
• Manual override option available with 80 psi spring.
• Tall cap required with higher bias spring values.
Operating Pressure: 345 bar (5000 psi)
Flow: Up to 151 lpm (40 gpm)
Internal Leakage: 131 cc/minute (8 cu. in. per minute) max. at 350 bar (5000 psi)
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 107°C (-65°F to 225°F) with polyurethane seals
Filtration: Compatible with ISO Classification 19 (25 µm), NAS classification.
Fluids: For use with common diesel fluids.
Installation: No restrictions; See page 9.020.1
Cavity: VC12-S3; See page 9.112.1_3w
Cavity Tool: CT12-S3xx; See page 8.600.1
Seal Kit: SK12-S3x-MM; See page 8.650.1
Cartridge: Weight: 0.28 kg. (0.61 lbs.)
With tall cap: 0.44 kg. (0.97 lb.) With manual override: 0.31 kg. (0.69 lb.) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N O-rings and polyester elastomer back-ups standard.
Ported Body: Weight: 1.13 kg. (2.5 lbs.)
Anodized high-strength 6061 T6 aluminum
alloy, rated to 207 bar (3000 psi). Ductile iron
bodies are available for pressures up to 350
bar (5000 psi); Weight and dimensions may
differ. See page 8.012.1_3w
|More Diesel Control Products.
||PDF file of this page.||STP file for EP12-S35||Get Custom Powertrain Control Engineering Assistance|