ASCO NF/WSNF 8320 Ex Proof ATEX Solenoid Valve
T&D – ASCO Numatics Authorised Distribution Channel. Process and flow control of air, gas, water, oil and steam using advanced solenoid valve technology.
ASCO NS/WSNF 8320 explosion proof enclosure are part of the hazardous area solenoid valve range suitable for use in ATEX Zone 1 and Zone 2 hazardous area applications.
ASCO NS/WSNF 8320 are solenoid valves with explosionproof operators with NF or WSNF type for use in potentially explosive atmospheres according to ATEX Directive 2014/34/EU
EU type examination certificate no.: LCIE 00 ATEX 6008 X
IECEx Certificate of Conformity no.: IECEx LCI 07.0015X
ASCO NF/WSNF 8320 Ex Proof ATEX Solenoid Valve
Compliance with the Essential Health and Safety Requirements has been assured by compliance with the International and European Standards EN-IEC 60079-0, EN-IEC 60079-1 and EN-IEC 60079-31
The NS/WSNF 8320 solenoid valves are recommended for pilot applications with high flow, wide pressure ranges and no minimum operating pressure and have a special execution for low ambient and fluid temperatures.
- Optional Manual Operators available including an under pressure removable type
- The solenoid valves are certified according to IEC 61508 Functional Safety data and have SIL-3 capability (TÜV & Exida certification)
ASCO NS/WSNF 8320
Solenoid Valve HAZARDOUS area Certifications
CSA UL FM ATEX IECEX
| ASCO Valve Series | Type | Pipe Size (in) | Max. Cv (Kv) |
 ATEX IECEx |
 TR CU |
 INMETRO |
 NEPSI |
| ASCO NS/WSNF 8320 | 3-Way Valve | 1/4-1/2 | .24 (.21) | ✓ | ✓ | ✓ | ✓ |
Contact T&D for copy hazardous area certificates.
HAZARDOUS AREA CLASSIFICATION ATEX & IECEx
ATEX IECEx Certified Valves
II 2G Ex d IIC Ga T6, II2D Ex + IIIC Db
ASCO NS/WSNF 8320 Hazardous Area Solenoid Valve Construction
| Valve Parts In Contact With Fluid | |
| Body | Brass or Stainless Steel AISI 316L |
| Stem, Core Tube | Stainless Steel |
| Core and Plugnut | Stainless Steel |
| Springs | Stainless Steel |
| Seals & Poppets | Ø 5,7 mm: FPM or VMQ or (F)VMQ Ø 12 mm: NBR or FPM or (F)VMQ |
| Rider Ring | PTFE |
| Solenoid Enclosure | NF: Chromated aluminium, epoxy coated WSNF: Stainless steel (AISI 316L) |
| Bonnet, Cover Screws | NF: Steel (zinc plated) WSNF: Stainless steel |
| Core Tube | Stainless Steel |
| Core and Plugnut | Stainless Steel |
HAZARDOUS AREA VALVES
ASCO solenoid valves provide flow control in hazardous area industries including oil, gas, petrochem, mining, power and process industries to ATEX (European), IECEx (International), CSA (North America), UL (United States & Canada), NEPSI (China), INMETRO (Brazil) and TR CU (Russia) approvals.
- Standard 3-way and 4-way solenoid valves
- Direct-acting and pilot-operated solenoid valves
- Manual reset and NAMUR valves
- Rugged 316L stainless steel valves for harsh environments
- Low Power Intrinsically Safe and Non-Incendive valves
- Low temperature solenoid valves down to -58°F (-50°C)
Trace Heating Systems Using Thermon Heat Trace Cables
➡ Did you know? T&D are Trained users of Thermon CompuTrace software to enable the design of steam and electric trace heating systems for frost protection and process temperature maintenance of pipework in industrial and hazardous area locations.
➡ Read Blog ➡ ATEX Solenoid Valves – ASCO Valves for International Hazardous Area Installations
ASCO NF/WSNF 8320 Ex Proof ATEX Solenoid Valve Product Data Sheet
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