ABOUT SERIES 21XN4 SOLENOID VALVES
These 1/2", 2-way, normally closed, 316 stainless steel solenoid valves are made for use with corrosive media or environments. The valve coil is molded and water-resistant, and the valve can be mounted in any position. These solenoid valves are used in petroleum processing, chemical processing, food processing, and pharmaceutical applications.
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: Stainless Steel 316
Armature Tube: Stainless Steel 300
Fixed Core: Stainless Steel 400
Plunger: Stainless Steel 400
Spring: Stainless Steel 300
Shading Ring: Gold-plated Copper
SOLENOID VALVE MODELS, BY SEAL MATERIAL
For more information on a solenoid valve in this series, select any available valve model below.
#1. FKM seal: For DI water, chemicals (14-280°F)*
| Series 21XN4 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) |
| 21XN4K1V120-8W | 1/2" | 7/16" | 2.40 | 8 | 2 | 300/300 | *Must be compatible with 316SS and FKM |
#2. PTFE seal: For steam, hot water, chemicals (32-360°F)*
| Series 21XN4 valve models with PTFE sealing material: | ||||||
|---|---|---|---|---|---|---|
| Model # | Pipe Size (Inch) |
Orifice Size (Inch) |
Flow Factor (CV) |
Watt Rating (W) |
Min. Pressure (PSI) |
Max. Pressure (AC/DC) |
| 21X2KT120-8W | 1/2" | 7/16" | 2.40 | 8 | 8 | 150/150 | *Must be compatible with 316SS and PTFE; minimum fluid temperature of 140 (degrees fahrenheit) is recommended for optimal sealing |



