Solenoid valves for vacuum ASTA series ESK 300 direct action

DN: 1/8“–1“
PN: -0.1 MPa – 0.4 MPa
t max°: 80°С
Body material: brass
Connection: thread G (BSPP / ISO 228–1)

Overview Model overview Those. information Download Colors DOP, CAD

Overview

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

Options

Custom parameters can be made to order
On request: NPT (ANSi 1.20.3), R (BSPT/ISO 7–1), W (BSP), M (metric)
On request: diaphragm, seat and stem seal can be made of FPM (VITON) (-10 °C…160 °C)
On request: various body coatings, nickel plating, various body materials, manual override, stainless steel seat, with two mounting holes in the bottom of the valve
On request: other voltage, frequency 60 Hz, coil insulation class F (155 °C), coil fixation
On request: 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)
On request: terminal with LED, or without terminal, terminal with visual indication and peak voltage, connector with 2m cable, flat terminals (cable ∅8–10 mm), non-flammable connectors
Other versions on request

Materials

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

Model overview

Those. information

Medium: air and inert gases
Safety function: Normally Closed (NC)
Control type: direct acting
Number of strokes: 2/2 (Ports/Positions)
Dimensions: G1/8" – G1"
Connection: Thread G (BSPP / ISO 228–1)
Pressure ranges: -1… 4 bar
Mediate temperature: -10 °C … +80 °C
Ambient temperature: -20 °C – +70 °C
Opening time: 25ms
Closing time: 25ms
Maximum viscosity: 38cSt or mm2/s
Maximum permissible pressure: 10 bar
Compact design
Valve seal: O-rings
Voltage: AC, DC
Rearrangement of the coil without dismantling the valve (independent of AC, DC)
Low pressure loss, low power consumption
Various flow ranges, wide range of flow areas
Can be installed in any position, but ideally with the coil facing upwards
The medium must be filtered before the valve
Flow rate (Q) can be calculated based on 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)