Key Features

✓ 1¼" BSP female port

✓ 2/2 way normally closed operation

✓ Pressure-assisted diaphragm design

✓ Very high-flow 38.0mm orifice

✓ Kv 367 L/min flow capacity

✓ 0.5 to 10 Bar operating pressure differential

✓ 15 Bar maximum working pressure

✓ Brass body with stainless steel internals

✓ NBR seals as standard

✓ EPDM, FKM (Viton®) or HNBR seal options

✓ Suitable for air, water, oil and compatible fluids

✓ Temperature options from -40°C to +180°C depending on seal

✓ IP65 DIN43650A coil system included

✓ Class H, 100% continuous duty coil

✓ Multiple AC and DC voltage options

✓ Optional ATEX hazardous area coil

✓ Optional degreased version available

✓ Free UK delivery available

Datasheets

11/4 Brass Solenoid Valve 0.5-15 Bar 2/2 Way Normally Closed

★★★★★ 5.0 / 5 (3 reviews)

£183.84 incl. VAT £153.20 ex. VAT

-40% Was ~~£306.40~~ incl. VAT

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Brand: Shako Co Ltd

Model: PU22512

Stock: 71 in stock

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Description

1¼" Brass Solenoid Valve – Shako PU225A-12

The SHAKO PU225A-12 is a very high-flow, pressure-assisted 1¼" brass 2/2 way normally closed solenoid valve designed for industrial applications where a minimum pressure differential is available. Its large 38mm orifice provides an excellent Kv flow factor of 367 L/min.

Suitable for air, water, oils and compatible fluids and gases, with NBR seals as standard and optional EPDM, FKM (Viton®) or HNBR seals for extended media and temperature compatibility. Degreased and ATEX hazardous-area versions are also available.

Valve function and operation

Function: 2/2 way normally closed

Operation: Pressure assisted

Minimum operating pressure: 0.5 bar differential

Differential pressure range: 0.5 to 10 bar

Maximum working pressure: 15 bar

Ports and flow

Port size: 1 1/4 inch BSP

Optional threads: NPT

Orifice size: 38.0 mm

Kv flow factor: 367 L/min based on water with 1 bar pressure drop

Construction and materials

Body material: Brass

Internal components: Stainless steel

Seal material (standard): NBR

Optional seals: EPDM, Viton (FKM) or HNBR

Media & Temperature

Media: Air, water, oil, and compatible fluids under 50 CST

Temperature Range:

NBR: -15°C to +80°C

Viton: -10°C to +180°C

EPDM: -5°C to +130°C

HNBR: -40°C to +150°C

Chemical Compatibility Guide

Coil and electrical

Coil power: 15 W

Magnet class: H

Connector type: DIN 43650A

Protection rating: IP65 (connector included)

Duty cycle: 100% rated

Voltage options

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

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

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

Additional options

Degreased version available with all oil and grease removed

HS code 84818030

Typical applications

High-flow industrial process control

Water and fluid handling systems

Chemical and general-purpose applications

Hazardous area installations

Related Products & Categories

11/4" Brass Solenoid Valves

11/4" WRAS Approved Valves

11/4" Stainless Solenoid Valves

ATEX Approved Solenoid Valves

DIN43650 Electrical Connectors

Solenoid Valve Coils & Magnets

Solenoid Spares: Seals & Diaphragms

View Technical Specification

Technical Specification

Brand: Shako Co Ltd

Model: PU22512

Width: 96.00 mm

Height: 145.50 mm

Depth: 131.00 mm

Weight: 2.82 kg

Valve / Product Type: Solenoid Valve

Body Material: Brass

Port Size: 11/4 thread

Function: 2/2 Failsafe Closed

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)

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

Options required: Degreased

Orifice: 38mm

Voltage: 6vDC, 12vDC, 24vDC, 24vAC, 48vAC, 48vDC, 110vAC, 110vDC, 230VAC, 200vDC, 380vAC

Approvals:: ATEX Exm, ATEX Exd, IP54, IP65, IP66, IP67, IP68

Found in these Categories

Reviews

★★★★★5.0 / 5 3 reviews

★★★★★

Great service. All 40 11/4" brass water solenoid valves arrived next day. Don't know how much stock you have but I am impressed. No one else had these. Thanks for the discount, free delivery and Heli toy too! Marcel Mallaghan.

Reviewed on 14/10/2015 by Marcel

★★★★★

Exactly as described, very pleased with this brass solenoid valve. thank you, genuine 5* seller

Reviewed on 02/06/2020 by Neil

★★★★★ Verified Purchase

They helped me find the right part, at a better price than I could find elsewhere and it arrived super promptly. Would recommend

Reviewed on 03/11/2025 by Gareth S - Bristol, United Kingdom

Frequently Bought Together

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Key Features

Datasheets

11/4 Brass Solenoid Valve 0.5-15 Bar 2/2 Way Normally Closed

Description

1¼" Brass Solenoid Valve – Shako PU225A-12

Valve function and operation

Ports and flow

Construction and materials

Media & Temperature

Coil and electrical

Voltage options

ATEX / IECEx Coil Option

Additional options

Typical applications

Related Products & Categories

Technical Specification

Found in these Categories

Reviews

★★★★★5.0 / 5 3 reviews

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