ABOUT SERIES 21WN5Z-9Z SOLENOID VALVES
These are very large flow, normally open solenoid valves. They are pilot-operated diaphragm valves with Cv flow factors of up to 53. These valves are used for both air and water, up to 2". Valves in this series are available with different seal materials and electroless nickel plating. The solenoid valves are used on car washing equipment, irrigation equipment, cooling and pump equipment, as well as on automation equipment.
Electrical Connection
Rating: NEMA 4
Strain relief connector: Model 009
1/2" conduit connector: Model 010
6 ft. power cord: Model GRN100
Materials of Construction
Body: Brass
Armature Tube: Stainless Steel 300
Fixed Core: Stainless Steel 400
Plunger: Stainless Steel 400
Spring: Stainless Steel 300
Shading Ring: Copper
SOLENOID VALVE MODELS, BY SEAL MATERIAL
For more information on a solenoid valve in this series, select any available valve model below.
#1. NBR seal: For air, inert gas, water (14-195°F)
| Series 21WN5Z-9Z valve models with NBR sealing material: | ||||||
|---|---|---|---|---|---|---|
| Model # | Pipe Size (Inch) |
Orifice Size (Inch) |
Flow Factor (CV) |
Watt Rating (W) |
Min. Pressure (PSI) |
Max. Pressure (AC/DC) |
| 21WN5ZB190-8W | 3/4" | 3/4" | 9.80 | 8 | 2 | 230/230 |
| 21WN6ZB250-8W | 1" | 1" | 14.00 | 8 | 2 | 230/230 |
| 21WN7ZB350-8W | 1 1/4" | 1 3/8" | 28.00 | 8 | 2 | 150/150 |
| 21WN8ZB400-8W | 1 1/2" | 1 1/2" | 36.00 | 8 | 2 | 150/150 |
| 21WN9ZB500-8W | 2" | 2" | 52.00 | 8 | 2 | 150/150 |
#2. FKM seal: For air, inert gas, water, synthetic oils (14-280°F)
| Series 21WN5Z-9Z valve models with FKM sealing material: | ||||||
|---|---|---|---|---|---|---|
| Model # | Pipe Size (Inch) |
Orifice Size (Inch) |
Flow Factor (CV) |
Watt Rating (W) |
Min. Pressure (PSI) |
Max. Pressure (AC/DC) |
| 21WN5ZV190-8W | 3/4" | 3/4" | 9.80 | 8 | 2 | 230/230 |
| 21WN6ZV250-8W | 1" | 1" | 14.00 | 8 | 2 | 230/230 |
| 21WN7ZV350-8W | 1 1/4" | 1 3/8" | 28.00 | 8 | 2 | 150/150 |
| 21WN8ZV400-8W | 1 1/2" | 1 1/2" | 36.00 | 8 | 2 | 150/150 |
| 21WN9ZV500-8W | 2" | 2" | 52.00 | 8 | 2 | 150/150 |
#3. EPDM seal: For water, low-pressure steam (14-280°F)
| Series 21WN5Z-9Z valve models with EPDM sealing material: | ||||||
|---|---|---|---|---|---|---|
| Model # | Pipe Size (Inch) |
Orifice Size (Inch) |
Flow Factor (CV) |
Watt Rating (W) |
Min. Pressure (PSI) |
Max. Pressure (AC/DC) |
| 21WN5ZE190-8W | 3/4" | 3/4" | 9.80 | 8 | 2 | 230/230 |
| 21WN6ZE250-8W | 1" | 1" | 14.00 | 8 | 2 | 230/230 |
| 21WN7ZE350-8W | 1 1/4" | 1 3/8" | 28.00 | 8 | 2 | 150/150 |
| 21WN8ZE400-8W | 1 1/2" | 1 1/2 | 36.00 | 8 | 2 | 150/150 |
| 21WN9ZE500-8W | 2" | 2" | 52.00 | 8 | 2 | 150/150 |



