Stainless steel solenoid valves ASTA ESK 610-611 series pilot control

DN: 3/8"–2"
PN: 1.5 MPa (ESK 610), 0.8 MPa (ESK 611)
Body material: stainless steel
Connection: threaded

Overview Model overview Those. information Download Colors DOP, CAD

Overview

Corrosion resistance, no minimum pressure drop required, 360° spool, high reliability, full bore, patented technology, high flow rate, 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 FTM (VITON) (-10 °C…160 °C), EPDM (-10 °C…140 °C)
On request: manual control, filter, other connections, flange
connection, body made of AISI 316
On request: other supply 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 2 m cable, flat terminals (cable Ф8–10 mm), non-flammable connectors
Other versions on request

Materials

Body: stainless steel (AISI 304)
Plunger seal: NBR
Insulating tube: stainless steel (AISI 430FR and AISI 304) (ESK610 Series),
stainless steel (AISI 430FR and AISI 304) or brass (ESK611 Series)
Plunger: stainless steel (AISI 430FR)
Springs: stainless steel (AISI 302)
Shielding coil: copper
Seat: stainless steel
Sealing rings: NBR
Internal parts: stainless steel and brass
Cover: stainless steel steel
Diaphragm/seat seal: NBR
Bonnet bolts: stainless steel

Model overview

Those. information

Medium: water, low viscosity oils, slightly aggressive liquids, air, gases
Safety function: Normally Closed (NC) (ESK 610 Series) and Normally Open (NO) (ESK 611 Series)
Control type: pilot
Number of strokes: 2/2 (Ports/Positions)
Dimensions: G3/8" – G2"
Connection: Thread G (BSPP / ISO 228–1)
Pressure ranges: 0–10 bar (ESK 610), 0–5 bar (ESK 611)
Media temperature: -10 °C – +80 °C
Ambient temperature: -20 °C – +70 °C
Opening time: 200ms – 1500ms
Closing time: 500ms – 2000ms
Maximum viscosity: 38cSt or mm2/s
Maximum permissible pressure: 15 bar (ESK 610), 8 bar (ESK 611)
No pressure drop required, internal exhaust system (for Series ESK211)
Valve seal: O-rings
Voltage: AC, DC
Coil reversal without dismantling the valve (independent of AC, DC)
High flow capacity, high reliability and robustness
Various flow ranges, wide range of openings
Installation in any position, but optimally with the coil facing upwards
The medium must be filtered before the valve
Flow rate (Q) can be calculated from the pressure, density and flow coefficient
According to 97/23/EC Pressure Equipment Directive (PED), 2006/95/EEC Low Voltage Directive (LVD), 2004/108/EC electromagnetic compatibility (EMC)