ASCO 374 Pilot Valves – Solenoid Direct Operated 3/2 Way Valve Top Exhaust
ASCO 374 Pilot Valves – Direct Acting/Operating Solenoid Valves For Hazardous Areas & Potentially Explosive Atmospheres
ASCO 374 hazardous area solenoid valves are direct acting/operating type pilot valves suitable for hazardous areas installation with international classifications including ATEX, UL, CSA and other local approvals on request.
ASCO 374 pilot valves are available in brass or stainless steel.
3/2 ” Way Solenoid Valve
U – Universal
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, this includes ASCO 320 pilot valves.
T&D are an Authorised UK Distributor for ASCO Numatics, part of Emerson Industrial Automation.
ASCO 374 Pilot Valves
- Three way solenoid valves with orifice and pipe connections in valve body
- Pilot valves are designed to handle relatively high pressure 3-way applications
- ASCO 374 solenoid valves do not require a minimum operating pressure
- ASCO 374 valve conforms to all relevant EC directives
Differential Pressure : See “SPECIFICATIONS” [1 bar = 100kPa]
Maximum Viscosity : 40 cST (mm2 /s)
Response Time : 8 – 20 ms
Fluids | Temperature Range (TS) | Valve Seal Materials |
Air, Inert Gas, Water, Oil | – 25°C to + 80°C | NBR Nitrile |
ASCO 374 – valve FLUID CONTACT COMPATIBILITY
ASCO 374 Solenoid Valve | Brass Valve Body | Stainless Steel Valve Body |
Body and seat | Brass | AISI 303 SS |
Core tube | Stainless Steel | Stainless Steel |
Core and plugnut | Stainless Steel | Stainless Steel |
Springs | Stainless steel | Stainless Steel |
Sealings | NBR | NBR |
Discs | NBR or UR | NBR |
Disc holder and core guide | CA | CA |
Shading coil | Copper | Silver |
ASCO 374 Pilot Valves – valve ELECTRICAL CHARACTERISTICS
Valve Coil Insulation Class : F
Electrical Safety : IEC 335
Standard Valve Voltages : DC (=) : 24V – 48V
AC (~) 24V – 48V – 115V – 230V/50Hz; other voltages and 60Hz are available on request
ASCO 374 – SOLENOID VALVE SPECIFICATIONS
Pipe size | Orifice size | Flow coefficient Kv | Operating pressure differential (bar | Power level BP | Prefix optional solenoids | ASCO Solenoid Valve Catalogue Number | |||||||||||||
Min. | Max. (PS) | ATEX/IECEx | IP65 | ||||||||||||||||
2 ➞ 1 | 1 ➞ 3 | air /water/oil (*) | – | Ex emb | Ex mb | – | |||||||||||||
(*) | (mm) | (m3 /h) | (l/min) | (m3 /h) | (l/min) | ~= | ~= | ~ | = | – | EM | PV | – | SC | Brass | Stainless Steel | |||
NC – Normally Closed | |||||||||||||||||||
1/4 | 2.0 | 0.11 | 1.8 | 0.15 | 2.5 | 0 | 16 | 16 | 10.5 | 11.2 | – | ⋅ | ⋅ | – | ⋅ | 374A016 | 374A046 | ||
1/4 | 2.7 | 0.22 | 3.6 | 0.15 | 2.5 | 0 | 10 | 10 | 10.5 | 11.2 | – | ⋅ | ⋅ | – | ⋅ | 374A017 | 374A047 | ||
1/4 | 3.8 | 0.32 | 5.3 | 0.15 | 2.5 | 0 | 5 | 5 | 10.5 | 11.2 | – | ⋅ | ⋅ | – | ⋅ | 374A018 | 374A048 |
ASCO 374 – SOLENOID VALVE OPTIONS
Ex mb (prefix “PV”) execution can be supplied in various cable lengths.
Solenoid valves compliant with “UL”, “CSA” and other local approvals available on request.
1/2″ NPT (prefix “T”) and M20 x 1,5 (prefix “ET”) conduits (aluminium or 316 SS) available for steel solenoid housing.
Special moulded-in solid state components for peak voltage suppression and/or rectification (four diode bridge).
ASCO 320 pilot valves mounting brackets for brass body valves, suffix MB.
ASCO SOLENOID VALVES – ATEX, IEC EX & NEMA hazardous area CERTIFIED
ASCO Solenoid Valves For Hazardous Area Oil, Gas & Petrochem Industries (ATEX & IECEx) – call T&D for sales, technical and specification support on all ASCO valves.
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Hazardous Area Certification
ATEX (Zone 1 Zone 2), IEC Ex, NEMA (Div 1 Div 2) & Explosion Protection
T&D – International Suppliers of Electrical, Mechanical, Process & Instrumentation Equipment : The Explosion & Flameproof Specialists.
➡ Did you know? T&D distribute FLEXIM flowmeters with clamp-on ultrasonic design and ATEX, IECEx and FM Certification for hazardous area and offshore flow metering of liquids, gases and compressed air.