ASCO 121 Solenoid Valves (Direct Acting) 2/2-3/2 NC, ¼” Valve – Hazardous Area Ex d IIC Gb, Ex t IIIC Db
ASCO 121 – Direct Acting/Operating Solenoid Valves For Hazardous Areas & Potentially Explosive Atmospheres
ASCO 121 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.
2/2 – 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.
T&D are an Authorised UK Distributor for ASCO Numatics, part of Emerson Industrial Automation.
ASCO 121 SOLENOID VALVES
- ASCO 121 solenoid valves with explosionproof operator MB type for use in potentially explosive atmospheres according to ATEX Directive 94/9/EC
EC type examination certificate no.: LCIE 03 ATEX 6059 X
IECEx Certificate of Conformity no.: IECEx LCI 09.0001X - Compliance with the Essential Health and Safety Requirements has been assured by compliance with the International and European Standards IEC and EN: 60079-0, 60079-1 and 60079-31
- Solenoid operator type MB can be fitted to 3/2 and 4/2 series 231 and 232 valves
Differential Pressure : 0 – 40 bar (1 bar = 100 kPA)
Maximum Viscosity: 40cSt (mm²/s)
Response Time : 15 – 25 ms
| Fluids | Temperature Range (TS) | Valve Seal Materials |
| Water, Air, Inert Gas, Oil | -10°C to +80°C | NBR (nitrile) |
ASCO 121 – valve FLUID CONTACT COMPATIBILITY
| ASCO 121 Solenoid Valve | Brass Valve Body |
| Body | Brass |
| Internal Parts and Springs | Stainless Steel |
| Seals | NBR |
| Shading Coil | Copper |
ASCO 121 – valve ELECTRICAL CHARACTERISTICS
Coil Connection: Screw terminals
Electrical Safety : IEC 335
Standard Valve Voltages : DC (=) : 24V – 48V
AC (∼) : 24V – 48V – 115V – 230V / 50HZ (Other voltages and 60 Hz on request)
ASCO 121 – VALVE SPECIFICATIONS
| Pipe Size | Orifice Size | Flow Coefficient kV | Operating Pressure Differential (Bar) | Power Coil (W) | ASCO Solenoid Valve Catalogue Number | Reference | |||||||||||||
| min. | max. (PS) | Without Manual Operator | With Button Manual Operator | ||||||||||||||||
| (mm) | (M3/h) | (l/min) | Air (*) | Water/oil (*) | ~ | = | ~ | = | |||||||||||
| ~ | = | ~ | = | ~ | = | ||||||||||||||
| 2/2 NC – Normally closed | |||||||||||||||||||
| 1/4″ | 1.5 | 0.08 | 1.3 | 0 | 40 | 40 | 40 | 25 | 12 | 10 | ASCO 12100003 | ASCO 12101093 | ASCO 12101092 | ASCO 12101094 | MB201/O-1.5 | ||||
| 3 | 0.21 | 3.5 | 0 | 25 | 10 | 25 | 7 | 12 | 10 | ASCO 12100012 | ASCO 12100960 | ASCO 12100957 | ASCO 12100962 | MB201/O-3 | |||||
| 5 | 0.36 | 6 | 0 | 10 | 3.5 | 8 | 3 | 12 | 10 | ASCO 12100024 | ASCO 12100593 | ASCO 12101041 | ASCO 12100964 | MB201/O-5 | |||||
| 6 | 0.48 | 8 | 0 | 5.5 | 2 | 4.5 | 1.5 | 12 | 10 | ASCO 12100333 | ASCO 12100037 | ASCO 12101041 | ASCO 12100965 | MB201/O-6 | |||||
| 3/2 NC – Normally closed | |||||||||||||||||||
| 1/4″ | 1.5 | 0.08 | 1.3 | 0 | 25 | 25 | 25 | 25 | 12 | 10 | ASCO 12100783 | ASCO 12101087 | ASCO 12101086 | ASCO 12100920 | MB301/O-1.5 | ||||
| 3 | 0.21 | 3.5 | 0 | 10 | 10 | 10 | 10 | 12 | 10 | ASCO 12100128 | ASCO 12100134 | ASCO 12100129 | ASCO 12100994 | MB301/O-3 | |||||
| 5 | 0.36 | 6 | 0 | 3.5 | 3.5 | 3.5 | 3.5 | 12 | 10 | ASCO 12100148 | ASCO 12100935 | ASCO 12100149 | ASCO 12100995 | MB301/O-5 | |||||
ASCO 121 – VALVE OPTIONS
- Threaded 2/2 NO; 3/2 NO/U solenoid valves and pad mount 3/2 NC/U solenoid valves
- Coil class H
- IECEx-ATEX cable gland certified, 3/4 NPT, installed on solenoid valve, supplied with cable clamp:
– for non-armoured cable of 8.5 to 16 mm dia., catalogue number 660510
– for armoured cable of ID 8.5 to 16 mm / OD 12 to 21 mm, catalogue number 660514 - FPM seals (fluoroelastomer)
- Marine paint/anti-corrosive environment
- Oxygen service, catalogue number 970500
- Impulse-type manual operator
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
➡ Did you know? T&D supply ATEX hazardous area certified Analytic Gas Heated Hoses.
➡ Did you know? T&D distribute Hazardous Area Instrumentation Equipment as Approved Vendors to global oil and gas operators and their EPC’s.
ASCO 121 Solenoid Valves (Direct Acting) 2/2-3/2 NC, ¼” Valve – Hazardous Area Ex d IIC Gb, Ex t IIIC Db
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