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Key Features

  • 2/2 way normally open operation
  • Open when electrical power is removed
  • Pressure assisted design
  • 1½" BSPP connection
  • NPT or Rc thread options
  • 316 stainless steel construction
  • Large 38mm flow orifice
  • High Kv flow factor 367 L/min
  • Operating pressure 0.5–10 Bar
  • Maximum working pressure 15 Bar
  • FKM, EPDM, NBR or HNBR seals
  • WRAS-approved EPDM seal option
  • Suitable for RO & demineralised water
  • Suitable for pure water and AdBlue
  • Silver or no shading ring options
  • Oxygen-degreased option available
  • ATEX / IECEx options available
  • 15W Class H continuous-duty coil
  • IP65 protection with connector
  • Wide AC and DC voltage selection
  • Free next working day UK delivery

Datasheets

Description

1½" Stainless Steel Normally Open Solenoid Valve – NOSPU225A-14


The Shako NOSPU225A-14 is a 2/2 way normally open pressure-assisted stainless steel solenoid valve designed for reliable high-flow control of air, water, oils, gases and compatible industrial fluids.

Manufactured from 316 stainless steel with a large 38mm orifice, the valve provides a high Kv flow factor of 367 L/min and operates across a 0.5 to 10 Bar differential pressure range.

The valve remains open when electrically de-energised and closes when the coil is energised, making it particularly suitable for applications where flow must continue following loss of electrical power. WRAS-approved EPDM seals, oxygen-degreased preparation and ATEX/IECEx hazardous-area configurations are also available.

Valve Function & Operation

Function: 2/2 way normally open
Operation: Pressure assisted
De-energised position: Open
Energised position: Closed
Minimum operating pressure: 0.5 Bar differential
Differential pressure range: 0.5 to 10 Bar
Maximum working pressure: 15 Bar

Ports & Flow

Port size: 1½" BSPP
Optional threads: NPT or Rc
Orifice size: 38.0mm
Kv flow factor: 367 L/min
Based on water with 1 Bar pressure drop.

Construction & Materials

Body: 316 stainless steel
Internal components: Stainless steel
Standard seals: FKM (Viton)
Optional seals:
EPDM
NBR
HNBR
WRAS-approved EPDM seal option available
Standard shading ring: Copper
Optional silver shading ring available for AC or DC operation.
Optional without shading ring for DC operation, or AC supply using a DC coil with a rectified DIN connector.
The alternative shading-ring configurations make the valve particularly suitable for RO water, demineralised water, pure water and AdBlue applications.

Media Compatibility

✓ Air
✓ Water
✓ Pure water
✓ Reverse osmosis (RO) water
✓ Demineralised water
✓ Light oils
✓ AdBlue
✓ Compatible gases
✓ Compatible fluids below 50 cSt
For unusual or aggressive fluids, confirm seal and material compatibility before use.

Temperature Limits

NBR: -15°C to +80°C
FKM (Viton): -10°C to +180°C
EPDM: -5°C to +130°C
HNBR: -40°C to +150°C
Actual operating temperature depends on the selected seal material, coil configuration and application conditions.

Coil & Electrical

Coil power: 15 Watt
Insulation: Class H
Electrical connection: DIN43650A
Protection: IP65 with connector included
Duty cycle: 100% continuous duty

Voltage Options

DC:
6V DC
12V DC
24V DC
48V DC
110V DC
220V DC

AC 50/60Hz:
12V AC
24V AC
36V AC
48V AC
110V AC
230V AC
380V AC

ATEX / IECEx Certified Valve & Coil Option

The SHAKO SPU225A stainless steel valve series is available in an ATEX-certified configuration for use in potentially explosive atmospheres.
✓ SHAKO SPU225A valve ATEX certificate: Sira 09ATEX6180X
✓ Valve marking: II 2 GD c T4 130°C
✓ ATEX Category: 2G / 2D
✓ nass magnet explosion-protected solenoid operator
✓ Coil protection: Ex mb IIC T4 Gb
✓ Dust protection: Ex mb tb IIIC T130°C Db
✓ nass magnet ATEX certificate: PTB 03 ATEX 2086 X
✓ nass magnet IECEx certificate: IECEx PTB 05.0005X
✓ Maximum process fluid temperature: +80°C
✓ Maximum process pressure under SHAKO ATEX certificate: 15 kgf/cm²
✓ Current ATEX legislation: Directive 2014/34/EU

WRAS Approved Option

A WRAS-approved EPDM sealing option is available for potable water applications.
This combines the corrosion resistance of the 316 stainless steel valve body and internals with an approved EPDM sealing configuration for drinking-water and potable-water systems.

Oxygen Service Option

The NOSPU225A-14 can be supplied specially degreased with oil and grease contamination removed for oxygen and clean-gas applications.
✓ Degreased valve preparation available
✓ Suitable for oxygen service when correctly specified
✓ 316 stainless steel construction
✓ Alternative shading-ring configurations available
Seal material, pressure, temperature and electrical configuration should be selected specifically for the oxygen application.

Typical Applications

Industrial process control
Potable water systems with WRAS option
Water treatment and filtration
RO and demineralised water systems
Pure water systems
Chemical and fluid handling
AdBlue systems
Fail-open cooling water systems
Priority demand systems
Oxygen and clean-gas service
Hazardous-area installations
Industrial automation

Technical Information

Model: NOSPU225A-14
Function: 2/2 way normally open
Operation: Pressure assisted
Port: 1½" BSPP
Orifice: 38mm
Kv flow factor: 367 L/min
Pressure: 0.5–10 Bar differential
Maximum working pressure: 15 Bar
Body: 316 stainless steel
Coil: 15 Watt Class H
Protection: IP65
Duty: 100%
HS Code: 84818030

Related Products & Categories


11/2" Brass Solenoid Valves

11/2" WRAS Approved Valves

11/2" Stainless Solenoid Valves

DIN43650 Electrical Connectors

Solenoid Valve Coils & Magnets



Solenoid Spares: Seals & Diaphragms
View Technical Specification

Technical Specification

Brand: Shako Co Ltd

Model: NOSPU22514

Width: 96.00 mm

Height: 141.00 mm

Depth: 132.60 mm

Weight: 2.82 kg

Valve / Product Type: Solenoid Valve

Body Material: Stainless Steel

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

Port Size: 11/2 thread

Function: 2/2 Failsafe Open

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

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

Approvals:: ATEX Exm, IP65

Media: Air, Fluid (Non Aggressive), Fluid (Slight Acid/Alkali), Gases (Non Aggressive), Gases (Slight Acid/Alakli), Oils + Fuels 50cSt Max, Water, Water (RO/Pure/Demin)

Options required: Degreased, Shading Ring - without

Orifice: 38mm

Found in these Categories

11/2" Stainless Solenoid Valve 0.5-15 Bar 2/2 Normally Open

£330.80 incl. VAT £275.67 ex. VAT

-19% Was £408.05 incl. VAT
Add To Cart

Brand: Shako Co Ltd

Model: NOSPU22514

Stock: 11 in stock

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