ASCO 374 Solenoid Valves (Direct Acting) 3/2 NC, NO, U, ¼” Valve – Hazardous Area Ex d, Ex mb, Ex e mb

ASCO 374 hazardous area solenoid valves are direct acting/operating type valves suitable for hazardous areas installation with international classifications including ATEX, UL, CSA and other local approvals on request.

CategoryProcess Instrumentation
  • Quoted to your quantity
  • Documentation on request
  • International delivery

Product Overview

ASCO 374 hazardous area solenoid valves are direct acting/operating type valves suitable for hazardous areas installation with international classifications including ATEX, UL, CSA and other local approvals on request.

3/2 ” Way Solenoid Valve

NC – Normally Closed Valve

NO – Normally Open Valve

Via ASCO Numatics FASTSHIP and SAMEDAY Express Delivery Service we are able to deliver 2,000+ ASCO valves from stock direct to you.

Asco 374 Solenoid Valves

  • Compact and low weight valve enabling simply onsite installation
  • AC/DC interchangeability of the solenoid valve head without need to disassemble ASCO valve
  • ASCO 374 valve conforms to all relevant EC directives

Differential Pressure : 1 bar = 100 kPA

Maximum Viscosity : 40 cSt (mm²/s)

Response Time : 8-20 ms

ASCO 374 – valve ELECTRICAL CHARACTERISTICS

Valve Coil Insulation Class : F

Connector : Spade plug (cable 6-10mm diameter)

Connector Specification : ISO 4400/EN/ 175301-803, form A

Electrical Safety : IEC 335

Electrical Enclosure Protection : Moulded IP65 (EN 60529)

Standard Valve Voltages : DC (=) : 24V – 48V

Other Valve Voltages : AC (∼) : 24V – 48V – 115V – 230V / 50HZ

Asco 374 – Valve Options

ASCO valves can be supplied with FPM (fluoroelastomer) and EPDM (ethylene-propylene) seals and discs. Use the appropriate optional suffix letter for identification Waterproof enclosure with embedded screw terminal coil according to protection class IP67, CEE-10 (prefix WP or WS).

Explosion proof enclosures for use in zones 1/21-2/22, categories 2-3 to ATEX Directive 94/9/EC.

Solenoid valves compliant with “UL”, “CSA” and other local approvals available on request.

Oxygen service with seals and disc in FPM, suffix N, example: SCE272A016 NV.

Other pipe connections are available on request.

Plug with visual indication and peak voltage suppression or with cable length of 2 metre.

ASCO SOLENOID VALVES – ATEX, IEC EX & NEMA hazardous area CERTIFIED

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Technical Specifications

CategoryProcess Instrumentation
FluidsTemperature Range (TS)Valve Seal Materials
Air, Inert Gas, Water, Oil-25°C to +80°CNBR Nitrile
ASCO 374 Solenoid ValveBrass Valve BodyStainless Steel Valve Body
BodyBrassAISI 316L (1.4404)
Internal PartsStainless SteelStainless Steel
SpringsStainless SteelStainless Steel
SeatBrass & Stainless SteelStainless Steel
Shading CoilCopperCopper
Valve SealsNBRNBR
Pipe SizeOrifice SizeFlow Coefficient kVOperating Pressure Differential (Bar)ASCO Solenoid Valve Catalogue Number
min.max. (PS)
2→12→1Air (*)Water/Oil (*)Brass ValveStainless Steel Valve
(G*)(mm)(M3/h)(l/min)~=~=~=~=
NC – Normally Closed Valve
1/4″20.111.8016161616ASCO SCE374A016ASCO SCE374A046ASCO SCE374A046ASCO SCE374A046
2.70.223.6010101010ASCO SCE374A017ASCO SCE374A047ASCO SCE374A047ASCO SCE374A047
3.80.325.305555ASCO SCE374A018ASCO SCE374A048ASCO SCE374A048ASCO SCE374A048
U – Universal
1/4″2.70.223.608444ASCO SCE374A027ASCO SCE374A027ASCO SCE374A057ASCO SCE374A057
3.80.325.304242ASCO SCE374A028ASCO SCE374A028ASCO SCE374A058ASCO SCE374A057
NO – Normally Open Valve
1/4″2.50.223.6010101010ASCO SCE374A022ASCO SCE374A022ASCO SCE374A052ASCO SCE374A052

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