Solenoid valves for steam ASTA series ESK 200-201 direct action

DN: 1/8" - 1/4"
PN: 0.8 MPa
t max°: 160°С
Body material: brass
Connection: thread G (BSPP / ISO 228–1)

Overview Model overview Those. information Download Colors DOP, CAD

Overview

Low resistance, no pressure drop required, 360° rotating coil, compact design, light weight, patented technology, quick closing and opening, long service life.

Options

Custom parameters can be made to order
Option: NPT (ANSi 1.20.3), R (BSPT/ISO 7–1), W (BSP), M (metric)
Option: diaphragm, seat and stem seal can be made of EPDM (-10 °C…140 °C)
Option: various body coatings, nickel plating, various body materials, internal elements made of stainless steel (for ESK201), manual override, stainless steel seat, with two mounting holes in the bottom of the valve
Option: other voltage, frequency 60 Hz, coil insulation class F (155 °C), coil fixation
Option: 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)
Option: terminal with or without LED terminals, terminal with visual indication 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: VITON
Insulating tube: stainless steel (AISI 430FR and AISI 304) for
ESK100, stainless steel (AISI 430FR and AISI 304) or brass for ESK101
Plunger: stainless steel (AISI 430FR)
Springs: stainless steel (AISI 302)
Shielding coil: copper
Seat: brass
Sealing rings: NBR
Internal parts: stainless steel or brass

Model overview

Those. information

Medium: steam, superheated water and non-aggressive liquids
Safety function: Normally Closed (NC) (ESK 200 Series) and Normally Open (NO) (ESK 201 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: 5 bar
Mediate 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: 8 bar
Does not require a minimum pressure drop, internal exhaust system (for ESK 201)
Compact design
Valve seal: O-rings
Voltage: AC, DC
Coil changeover without dismantling the valve (independent of AC, DC)
Low pressure loss, low power consumption
Various flow ranges, wide range of flow areas
Installation in any position, but optimally with the coil facing upwards
The medium must be filtered before the valve
Flow (Q) can be calculated from the 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)