MINI SPOOL VALVES Series 521 for ASCO

FEATURES
• Compact size with high flow
• Environment protected construction to protect against the ingress of liquid, dust or
any other foreign matter
• Multiple functions available with 5/2 Threaded and NAMUR options
• The same spool valve can be adapted for 3/2 #* or 5/2 functions for controlling
double-acting and single-acting actuators
• 8-shaped seal technology - Small contact surface, low friction and
minimize "sticking"
• Internal breathing feature where the return-spring chambers of the single-acting
actuator "breath" through the spool valve
• NAMUR design (LH Orientation & RH Orientation) ensures supply and exhaust
ports of the solenoid valve are facing down to prevent water and debris ingress
• Robust and long lasting 316 Stainless Steel Manual Operator
(flush locking override)
• Epoxy coil with excellent moisture and high ambient temperature resistance
# For Threaded type, 5/2 can be converted to 3/2 NC or 3/2 NO by inserting plug on
5/2 body (plug not supplied)
* For NAMUR type, 5/2 can be converted to 3/2 NC by rotating NAMUR plate
STANDARD VOLTAGES
DC (=) : 12V - 24V - 48V
AC (~) : 24V - 48V - 110V - 115V - 120V - 230V / 50 - 60 Hz

We can delivery the cargo to transport company within 3 days upon receiving of the cargos from the plant,Any question, please do not hesitate to contact me.

1.Swift delivery
For common parts, we can deliver the goods within 3 days

2.Original products
All the products we sell are from origin manufacturer. We will submit all the manufacturer documentation while we finish delivery.

3.Quality Assurance

4.Technical Support
Including inspection,repair and maintenance, we can give all kinds of technical support.

5.Quickly responce
Our staffs will keep 24h online and answer your question very quickly.