Fuel solenoid valves ASTA series ESK 400-401 direct action

DN: 1/8"-1/4"
PN: 0-50 bar
Body material: brass
Connection: threaded

Overview Model overview Those. information Download Colors DOP, CAD

Overview

Low resistance, 360° rotating coil, compact design, light weight, patented technology, quick closing and opening, long service life.

Options

Custom parameters can be made to order
To order: NPT (ANSi 1.20.3), R (BSPT/ISO 7–1), W (BSP), M (metric)
To order: diaphragm, seat and stem seal can be made of FPM (VITON) (-10 °C…160 °C)
To order: various body coatings, nickel plating, various body materials, manual override (for ESK400), brass seat,
flange connection version, with two mounting holes in the lower part of the valve
To order: other voltage, frequency 60 Hz, coil insulation class F (155 °C), coil fixation
To order: with electronic timer, coil explosion protection for operation in zones 1/21–2/22 (Eex em II T4/T5), coil insulation material – can be reinforced with fiberglass (V0 or V1)
To order: terminal with LED, or without terminal, terminal with visual indicator and peak voltage, connector with 2 m cable, flat terminals (cable ∅8–10 mm), non-flammable connectors
Other versions on request

Materials

Body: brass
Plunger seal: RUBY
Insulating tube: stainless steel (AISI 430FR and AISI 304)
Plunger: stainless steel (AISI 430FR)
Springs: stainless steel (AISI 302)
Shielding coil: copper
Seat: stainless steel
Sealing rings: NBR
Internal parts: stainless steel

Model overview

Those. information

Medium: light petroleum products, superheated water, hydraulic oils, not applicable for aggressive liquids and gases
Safety function: Normally Closed (NC) (ESK 400 Series) and Normally Open (NO) (ESK 401 Series)
Control type: direct acting
Number of strokes: 2/2 (Ports/Positions)
Dimensions: G1/8" – G1/4"
Connection: Thread G (BSPP / ISO 228–1)
Pressure ranges: 0–50 bar
Mediation temperature: -10 °C … +160 °C
Ambient temperature: -20 °C – +70 °C
Opening time: 25ms
Closing time: 25ms
Maximum viscosity: 38cSt or mm2/s
Maximum allowable pressure: 75 bar
No minimum differential pressure required, internal exhaust system (for ESC 401)
Compact design
Valve seal: O-rings
Voltage: AC, DC
Coil can be repositioned without dismantling the valve (independent of AC, DC)
Various flow ranges, wide range of flow areas
Installation in any position, but ideally with the coil facing upwards
The medium must be filtered before the valve
Flow rate (Q) can be calculated from pressure, density and flow coefficient
In accordance with 97/23/EC Pressure Equipment Directive (PED), 2006/95/EEC Low Voltage Directive (LVD), 2004/108/EC Electromagnetic Compatibility Directive (EMC)