Home > Products > ASCO solenoid valve > 238 series > ASCO pilot operated built-in pilot,floating diaphragm 3/8 to 2 SCG238C021 solenoid valve

ASCO pilot operated built-in pilot,floating diaphragm 3/8 to 2 SCG238C021 solenoid valve

FEATURES
1.Minimum operating pressure differential ∆P 0,3/0,5 bar
2. Two way valves for automatic control of water, air and inert gas
and other gases/liquids compatible with the sealing materials used
3. Interchangeability of magnetic heads, AC and DC
4. The solenoid valves satisfy all relevant EC Directives

GENERAL
Differential pressure [1 bar =100kPa]
Ambient temperature range -10°C to +60°C
Maximum viscosity 40 cSt (mm2/s)
Response time 3/8 1/2 3/4 1 1 1/4 1 1/2 2
opening time (ms) 25 30 55 70 300 300 1500
closing time (ms) 40 90 110 200 1000 1000 2000
fluids DN ≤ 25: air, inert gas and water DN > 25: air and water
temperature range (TS) -10°C to +85°C
seal materials NBR (nitrile) FPM (fluoroelastomer)

MATERIALS IN CONTACT WITH FLUID
Ensure that the compatibility of the fluids in contact with the materials is verified
Body Brass
Internal parts Stainless steel and brass
Springs Stainless steel
Diaphragm & valve disc NBR
Seals and pilot disc FPM ( 3/8 to 1), NBR ( 1 1/4 to 2)
Shading coil Copper

ELECTRICAL CHARACTERISTICS
Coil insulation class F
Connector Spade plug (cable Ø 6-8 mm or Ø 6-10 mm)
Connector specification
for power coil : 4 W/6,9 W DIN 43650, 11 mm, industry standard B
for power coil : 5W/6,9W-8W/9W ISO 4400 / EN 175301-803, form A
Electrical safety IEC 335
Electrical enclosure protection Moulded IP65 (EN 60529)
Standard voltages DC (=) : 24V - 48V
(Other voltages and 60 Hz on request) AC (~) : 24V - 48V - 115V - 230V / 50 Hz
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