2" BSP Brass Solenoid Valve 0.5-15 Bar 2/2 Way Normally Open

£289.30 incl. VAT

£241.08 ex. VAT
Was £438.31 incl. VAT

Brand: Shako Co Ltd

Model: NOPU22520

Stock: 0 in stock

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Description

2" Normally Open Brass Solenoid Valve – SHAKO PU225AN-20


High-flow 2" brass normally open solenoid valve for air, water, light oils and other compatible fluids. The pressure-assisted design provides reliable operation from 0.5 to 10 Bar differential pressure, making it ideal for fail-safe applications where flow must remain open during power loss.

Designed to open without power and close only when energised, the SHAKO PU225AN-20 is widely used on cooling water systems, priority demand systems, industrial automation, compressed air installations and general fluid control applications.

Key Features

  • Function: 2/2 way normally open (fail-open operation)
  • Operation: Pressure-assisted pilot operated
  • Minimum Differential Pressure: 0.5 Bar
  • Working Pressure: 0.5 to 10 Bar differential
  • Maximum Working Pressure: 15 Bar
  • Port Size: 2" BSP, optional NPT thread
  • Orifice: 50 mm
  • Kv Flow Factor: 600 L/min (water @ 1 Bar pressure drop)

Construction

  • Body: Brass
  • Internals: Stainless steel
  • Standard Seal: NBR
  • Optional Seals: EPDM, FKM (Viton®) or HNBR
  • Coil: Nass Magnet 15 Watt, Class H insulation
  • Electrical Connection: DIN 43650A Form A
  • Duty Rating: 100% ED continuous operation
  • Protection: IP65 with connector included

ATEX Coil Option

Optional ATEX-certified solenoid coil available:
  • Ex mb IIC T4 Gb
  • Ex mb tb IIIC T130°C Db
  • Suitable for hazardous area Zones 21 and 22
  • Maximum media temperature +80°C

Media Compatibility

Suitable for:
  • Compressed air
  • Water
  • Light oils
  • Neutral fluids compatible with valve materials
  • Maximum fluid viscosity 50 cSt

Seal Options & Temperature Range

  • NBR: -15°C to +80°C
  • EPDM: -5°C to +130°C
  • FKM (Viton®): -10°C to +180°C
  • HNBR: -40°C to +150°C
Chemical Compatibility Guide

Available Voltages

DC
  • 12V DC
  • 24V DC
  • 48V DC
  • 110V DC
  • 220V DC
AC
  • 12V AC
  • 24V AC
  • 36V AC
  • 48V AC
  • 110V AC
  • 230V AC
  • 380V AC 50/60Hz

Typical Applications

  • Fail-safe water systems
  • Cooling water circuits
  • Priority demand systems
  • Industrial automation
  • Compressed air systems
  • Process control equipment
  • Hazardous area installations (ATEX option)

Benefits

  • Normally open fail-safe operation
  • Extra high-flow brass construction
  • Reliable SHAKO performance
  • Stainless steel internals
  • High Kv flow rate of 600 L/min
  • Ideal for large pipework systems
  • Optional ATEX-certified coil
  • Long service life
  • Fast UK delivery available
HS Code: 84818030

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Technical Specification

Brand: Shako Co Ltd

Model: NOPU22520

Width: 112.00 mm

Height: 160.50 mm

Depth: 160.00 mm

Weight: 4.67 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 Open

Operation: Pressure Assisted

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

Seals: EPDM, HNBR, NBR, FKM (Viton)

Approval: ATEX,WRAS,IP etc: ATEX Exm, IP65

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

Orifice: 50mm