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Key Features

  • Designed specifically for steam service
  • 2/2 way normally closed operation
  • Pressure-assisted piston design
  • 0.5 Bar minimum pressure differential
  • Steam pressure up to 10 Bar
  • Steam temperature up to +180°C
  • Air, water & gas pressure up to 15 Bar
  • 30 Bar proof / test pressure
  • Very high-flow 50mm orifice
  • Kv flow factor 888 L/min
  • Forged brass body
  • Stainless steel SUS304 internals
  • High-temperature PTFE sealing
  • Class H 180°C coil insulation
  • IP65 DIN 43650A connector included
  • 100% continuous duty rated
  • Multiple AC and DC voltages
  • Optional ATEX / IECEx coil
  • Free UK delivery available

Datasheets

Description

2" Brass Steam Solenoid Valve – Shako PU225S-20


High Flow Brass Steam Solenoid Valve – 10 Bar, +180°C

The SHAKO PU225S-20 is a very high-capacity 2" pressure-assisted 2/2 way normally closed brass solenoid valve designed specifically for steam and high-temperature fluid control applications.

Featuring a forged brass body, stainless steel internals, piston-assisted operation and PTFE sealing, the valve provides reliable control of steam up to 10 Bar and +180°C. It can also be used with air, water and compatible gases and fluids at pressures up to 15 Bar.

Its large 50mm orifice and exceptional Kv flow factor of 888 L/min provide the highest flow capacity in the PU225S range, making the PU225S-20 particularly suitable for large industrial steam systems, process heating, boiler services and high-temperature process applications.

Typical Applications

Steam distribution and isolation
Industrial boiler systems
Industrial heating systems
Process plant and utility services
Large-scale steam services
Food and beverage processing
Chemical processing equipment
Industrial process heating
OEM machinery
High-temperature fluid and gas control

Technical Specification

Function: 2/2 way normally closed
Valve State: De-energised CLOSED / Energised OPEN
Operation: Pressure-assisted piston design
Minimum Pressure Differential: 0.5 Bar
Steam Pressure Range: 0.5 to 10 Bar
Air, Water & Compatible Fluids: 0.5 to 15 Bar
Proof / Test Pressure: 30 Bar
Port Size: 2" BSPP female
Optional Threads: NPT or Rc
Orifice Size: 50.0mm
Kv Flow Factor: 888 L/min based on water with 1 Bar pressure drop
Body Material: Forged brass
Internal Components: SUS304 stainless steel
Piston: Stainless steel
Seal Material: PTFE
Suitable Media: Steam, hot water, air, water and compatible gases and fluids
Maximum Fluid Viscosity: 50 CST
Media Temperature: -5°C to +180°C with Class H coil
Ambient Temperature: -20°C to +60°C
Installation: Horizontal mounting recommended

Coil & Electrical Specification

Coil: Nass Magnet
Coil Power DC: 15 Watts
Power Consumption 110VAC: 17.6VA
Power Consumption 220VAC: 18.1VA
Insulation Class: Class H 180°C
Duty Rating: 100% continuous duty
Protection Rating: IP65 with connector fitted
Electrical Connection: DIN 43650 Form A
Connector: Included

Voltage Options

DC Voltages:
12VDC, 24VDC, 48VDC, 110VDC, 220VDC
AC Voltages:
12VAC, 24VAC, 48VAC, 110VAC, 230VAC, 380VAC 50/60Hz

ATEX / IECEx Coil Option

Optional Nass Magnet explosion-protected solenoid operator available.
✓ Ex mb IIC T4 Gb
✓ Ex mb tb IIIC T130°C Db
✓ Suitable for Zone 1 gas and Zone 21 dust hazardous areas
✓ ATEX Category 2G / 2D
✓ Protection rating: IP65
✓ Maximum media temperature: +80°C
✓ ATEX Certificate: PTB 03 ATEX 2086 X
✓ IECEx Certificate: IECEx PTB 05.0005X
✓ ATEX Directive: 2014/34/EU

Important: When fitted with the ATEX / IECEx solenoid operator, maximum media temperature is +80°C. The +180°C steam rating applies to the standard Class H high-temperature coil configuration.

Why Choose the PU225S Steam Solenoid Valve?

The SHAKO PU225S series is specifically designed for steam and high-temperature applications. Its pressure-assisted piston construction, stainless steel internals and PTFE sealing provide dependable operation at elevated temperatures while maintaining high flow capacity.

The 2" PU225S-20 is the largest and highest-flow model in the range, combining a 50mm orifice with a Kv flow factor of 888 L/min. This makes it particularly suitable for large steam distribution, industrial heating and process systems where maximum flow capacity is required.

Steam operation is rated up to 10 Bar because of the +180°C maximum media temperature. For air, water and compatible gases and fluids within the permitted temperature range, operating pressure can be up to 15 Bar.

The valve is proof tested to 30 Bar, providing a substantial test pressure margin above its maximum working pressure.

Related Products & Categories


Steam Solenoid Valves

Air Actuated Valves for Steam

Y Filters / Strainers for Steam

View Technical Specification

Technical Specification

Brand: Shako Co Ltd

Model: PU225S20

Width: 112.00 mm

Height: 174.30 mm

Depth: 160.00 mm

Weight: 4.66 kg

Valve / Product Type: Solenoid Valve

Body Material: Brass

Voltage: 110vAC, 110vDC, 12vDC, 200vDC, 230VAC, 24vAC, 24vDC, 380vAC, 48vAC, 48vDC

Port Size: 2 thread

Function: 2/2 Failsafe Closed

Operation: Pressure Assisted from 0.5 Bar

Pressure: 3 Bar, 3.5 Bar, 4 Bar, 4.5 Bar, 5 Bar, 5.5 Bar, 6 Bar, 6.5 Bar, 7 Bar, 7.5 Bar, 8 Bar, 8.5 Bar, 9 Bar, 10 Bar, 12 Bar, 13 Bar, 14 Bar, 15 Bar

Seals: PTFE (Teflon)

Approvals:: ATEX Exm, IP65

Media: Air, Fluid (Non Aggressive), Gases (Non Aggressive), Oils + Fuels 50cSt Max, Steam, Water

Orifice: 50mm

Found in these Categories

2" Steam Solenoid Valve Normally Closed 0.5–10 Bar 180°C

£341.50 incl. VAT £284.58 ex. VAT

-37% Was £538.66 incl. VAT
Add To Cart

Brand: Shako Co Ltd

Model: PU225S20

Stock: 17 in stock

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