Description
1/2" Stainless Steel Solenoid Valve 0–12 Bar (Zero-Rated) – Shako SPU220A-04H
A high-pressure, zero-rated assisted-lift 2/2 way normally closed stainless steel solenoid valve designed for vacuum and low-pressure applications up to 12 Bar. Ideal for aggressive, corrosive or high-purity media including RO water, demineralised water and AdBlue.
Valve Function & Operation
Function: 2/2 way normally closed
Operation: Assisted lift (zero-rated)
Capable of operating from vacuum to positive pressure
Ports & Flow
Port size: 1/2" BSP
Optional threads: NPT or Rc
Orifice size: 13.0 mm
Kv flow factor: 35 L/min based on water with 1 Bar pressure drop
Pressure & Performance
Pressure range: 0 to 12 Bar
Vacuum service suitable
Construction & Materials
Body material: 316 stainless steel
Internal components: Stainless steel
Seal material (standard): Viton (FKM)
Optional seals: EPDM, NBR, HNBR
Shading ring: Copper
Optional silver shading ring
Optional without shading ring (DC only or AC with rectified DIN connector to DC)
Suitable for demineralised water, RO water and AdBlue
Media Compatibility
Air and inert gases
Water and pure water
RO and demineralised water
Vacuum applications
Light oils
AdBlue
LPG, diesel, petrol and propane
Nitrogen, carbon dioxide and argon
Oxygen
Antifreeze, glycol and kerosene
Other fluids and gases compatible with valve materials up to 50 CST
Temperature Limits
Viton (FKM): -10°C to +180°C
NBR: -15°C to +80°C
HNBR: -40°C to +150°C
EPDM: -5°C to +130°C
Coil & Electrical
Coil power: 18.5 W
Magnet class: H
Connector type: DIN 43650A
Protection rating: IP65 (connector included)
Duty cycle: 100% rated
Voltage Options
12V DC, 24V DC, 48V DC, 110V DC, 220V DC
12V AC, 24V AC, 36V AC, 48V AC, 110V AC, 240V AC 50/60 Hz
Benefits
Zero-rated operation from vacuum to positive pressure
Higher pressure capability up to 12 Bar
Corrosion-resistant 316 stainless steel construction
Suitable for RO, demineralised and pure water systems
Suitable for vacuum applications
Compatible with AdBlue and aggressive media
Long service life
Fast UK delivery available
Typical Applications
RO and demineralised water systems
Chemical and aggressive media control
Vacuum and low-pressure systems
AdBlue and clean-fluid dosing
Industrial automation requiring stainless steel and zero-pressure operation
Oxygen and clean gas service (degreased option)
Water treatment and filtration equipment
Higher-pressure vacuum and fluid control systems
HS Code: 84818059
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