Description
Flanged Brass Steam Solenoid Valve – Shako PU225SF-12 to PU225SF-20
A high-capacity pressure-assisted 2/2 way normally closed brass steam solenoid valve range designed for steam distribution, boiler systems and industrial heating applications. Available with DN32, DN40 and DN50 flanged connections, the PU225SF series combines a forged brass body, stainless steel internals and PTFE sealing for reliable operation on steam and high-temperature media up to +180°C.
Valve Function & Operation
Function: 2/2 way normally closed
Operation: Pressure assisted piston design
Minimum operating pressure: 0.5 Bar differential
Port sizes:
DN32 (PU225SF-12)
DN40 (PU225SF-14)
DN50 (PU225SF-20)
Flange standard: PN16
Optional flanges: ANSI 150Lb or JIS 10K
Pressure & Flow
Steam pressure: 0.5 to 10 Bar
Air, water and compatible fluids: 0.5 to 15 Bar
Proof pressure: 15 Bar
Orifice sizes:
40.0 mm (DN32 & DN40)
50.0 mm (DN50)
Kv flow factor:
498 L/min (DN32)
542 L/min (DN40)
888 L/min (DN50)
Based on water with 1 Bar pressure drop.
Construction & Materials
Body: Forged brass
Internals: Stainless steel (SUS304)
Piston design for reliable steam service
Seal material: PTFE
Media Compatibility
Suitable for:
Steam
Hot water
Air
Water
Non-aggressive fluids up to 50 CST
Compatible gases
Temperature Limits
Media temperature: -5°C to +180°C (Class H coil)
Ambient temperature: -20°C to +60°C
Installation: Horizontal mounting recommended
Coil & Electrical
Coil: Nass Magnet
Power consumption:
15 Watt DC
17.6 VA (110V AC)
18.1 VA (220V AC)
Connector: DIN 43650A
Insulation class: Class H
Duty cycle: 100% continuous rated
Protection rating: IP65 with connector fitted
Connector included.
Voltage Options
DC: 12V, 24V, 48V, 110V or 220V
AC: 12V, 24V, 48V, 110V, 230V or 380V (50/60 Hz)
Hazardous Area Option
ATEX Ex mb IIC T4
Temperature class: T4 (T130°C)
Certification:
- Ex mb IIC T4 Gb
- Ex mb tb IIIC T130°C Db
Suitable for Zones 21 & 22 hazardous areas.
Benefits
Designed specifically for steam service
PTFE sealing for high-temperature applications
Flanged connections for industrial pipework
Very high flow capacity
Reliable piston-assisted operation
Long service life
Suitable for continuous-duty operation
Free UK delivery available
Typical Applications
Steam distribution and isolation
Industrial heating and boiler systems
Process plant utilities
Food and beverage processing
Chemical processing equipment
High-temperature fluid and gas control
Large-scale steam services
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