2W brass solenoid valves provide two-position, two-port fluid switching. The normally closed models below cover 2.5mm to 50mm orifices, with port sizes from 1/8″ to 2″. Choose the seal material, coil voltage and electrical connection for the intended medium.
| Model | Orifice | Cv | Port | Fluid viscosity | Maximum pressure limit |
|---|---|---|---|---|---|
| 2W025-06 | 2.5mm | 0.23 | 1/8″ | Below 20cSt | 10kgf/cm² |
| 2W025-08 | 2.5mm | 0.23 | 1/4″ | Below 20cSt | 10kgf/cm² |
| 2W040-10 | 4mm | 0.6 | 3/8″ | Below 20cSt | 10kgf/cm² |
| 2W160-15 | 16mm | 4.8 | 1/2″ | Below 50cSt | 10.5kgf/cm² |
| 2W200-20 | 20mm | 7.6 | 3/4″ | Below 50cSt | 10.5kgf/cm² |
| 2W250-25 | 25mm | 12 | 1″ | Below 50cSt | 10.5kgf/cm² |
| 2W350-35 | 35mm | 24 | 1-1/4″ | Below 50cSt | 10.5kgf/cm² |
| 2W400-40 | 40mm | 29 | 1-1/2″ | Below 50cSt | 10.5kgf/cm² |
| 2W500-50 | 50mm | 48 | 2″ | Below 50cSt | 10.5kgf/cm² |
| Parameter | Specification |
|---|---|
| Actuation | Direct acting |
| Rest state of listed models | Normally closed |
| Water operating pressure | 0-7kgf/cm² |
| Air operating pressure | 0-7kgf/cm² |
| Oil operating pressure | 0-5kgf/cm² |
| Gas operating pressure | 0-7kgf/cm² |
| Working temperature | 5-80°C |
| Voltage tolerance | ±10% |
| Body | Brass |
| Seal options | NBR, EPDM or VITON |
The maximum pressure limits in the selection table are separate from the medium-specific operating ranges. Match the selected seal to the fluid; a gas entry does not specify approval for a particular gas service.
| Code element | Selection |
|---|---|
| Series | 2W brass solenoid valve |
| Orifice code | 015: 1.2mm; 020: 2mm; 025: 2.5mm; 040: 4mm; 160: 16mm; 200: 20mm; 250: 25mm; 350: 35mm; 400: 40mm; 500: 50mm |
| Port code | 06: 1/8″; 08: 1/4″; 10: 3/8″; 15: 1/2″; 20: 3/4″; 25: 1″; 35: 1-1/4″; 40: 1-1/2″; 50: 2″ |
| Rest-state option | NC: normally closed; NO: normally open |
| DC coil | DC12V or DC24V |
| AC coil, 50/60Hz | AC24V, AC36V, AC110V, AC220V or AC380V |
| Electrical connection or coil option | Blank: lead-wire coil; D: connector; N: explosion-proof coil option; E: waterproof coil option |
The numerical selection and dimension tables describe the normally closed models listed by name. Additional orifice codes and the normally open option are separate ordering selections. The N and E options require selection of the corresponding coil; no protection classification is specified here.
A, B, C and D are in millimeters; K is the PT connection size.
| Model | A | B | C | D | K, PT |
|---|---|---|---|---|---|
| 2W025-06 | 66 | 30.3 | 75 | 40.5 | 1/8″ |
| 2W025-08 | 66 | 30.3 | 75 | 40.5 | 1/4″ |
| 2W040-10 | 74 | 32.2 | 85.5 | 52.5 | 3/8″ |
| 2W160-15 | 101.5 | 57 | 117 | 69 | 1/2″ |
| 2W200-20 | 107 | 57 | 123.5 | 73 | 3/4″ |
| 2W250-25 | 111.5 | 73.5 | 134.5 | 99 | 1″ |
| 2W350-35 | 142 | 95 | 172 | 123 | 1-1/4″ |
| 2W400-40 | 142 | 95 | 172 | 123 | 1-1/2″ |
| 2W500-50 | 172 | 123 | 209 | 168 | 2″ |
