Solenoid valves for steam with cooling fins ASTA series ESK 295-296 pilot control

DN: 1/8"–2"
PN: 0.75 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

With cooling fins, required minimum pressure drop 0.35/0.5 bar, 360° rotating coil, high reliability, full bore, patented technology, high flow rate, long service life.

Options

Custom parameters can be made to order
Optional NPT (ANSi 1.20.3), R (BSPT/ISO 7–1), W (BSP), M (metric)
Optional: various body finishes, nickel plating, different body materials, stainless steel internals (ESK296 Series), manual override, stainless steel seat, filter, other connections, flange connection
Optional: other supply voltage, frequency 60 Hz, coil insulation class F (155 °C), coil fixation
Optional: 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)
Optional: terminal with or without LED 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: brass
Plunger seal: PTFE
Insulating tube: stainless steel (AISI 430FR and AISI 304) (ESK295 Series), stainless steel (AISI 430FR and AISI 304) or brass (ESK296 Series)
Plunger: stainless steel (AISI 430FR)
Springs: stainless steel (AISI 302)
Shielding coil: copper
Seat: brass
Sealing rings: NBR
Internal parts: stainless steel and brass
Bonnet: brass
Diaphragm/seal: PTFE – (1/8"…1"), EPDM – (1–1/4"…2")
Lid Bolts: Stainless Steel

Model overview

Those. information

Medium: steam, superheated water and non-aggressive liquids
Safety function: Normally Closed (NC) (ESK 295 Series) and
Normal Open (NO) (ESK 296 Series)
Control type: pilot
Number of strokes: 2/2 (Ports/Positions)
Dimensions: G1/8" – G2"
Connection: Thread G (BSPP / ISO 228–1)
Pressure ranges: 0.35–5 bar (1/8"…1"), 0.5–3 bar (11/4"…2")
Media temperature: -10 °C – +160 °C (1/8"…1"), -10 °C – +140 °C (11/4"…2")
Ambient temperature: -20 °C – +70 °C
Opening time: 200ms – 1500ms
Closing time: 500ms – 2000ms
Maximum viscosity: 38cSt or mm2/s
Maximum allowable pressure: 7.5 bar
Required minimum differential pressure: 0.35 bar (for 1/8"…1") and 0.5 bar (for 11/4"…2"), internal exhaust system (for Series ESK296)
Valve seal: O-rings
Voltage: AC, DC
Rearrangement of the coil without dismantling the valve (independently AC, DC)
High flow capacity, high reliability and robustness
Various flow ranges, wide range of openings
Installation in any position, but best with the coil facing up
The medium must be filtered before the valve
Flow (Q) can be calculated based on the pressure, density and flow coefficient
In accordance with 97/23/EC Pressure Equipment Directive Pressure Equipment Directive (PED), 2006/95/EEC Low Voltage Directive (LVD), 2004/108/EC Electromagnetic Compatibility Directive (EMC)