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ASCO™ Numatics Series 521 Mini-Spool Valves
Series 521 Mini Spool Valves
The ASCO Numatics Series 521 is a line of solenoid air-operated, mini-spool valves that are ideal for piloting pneumatic cylinders.
The valves have high-quality coils resistant to heat and moisture and suitable for high ambient temperatures and harsh environments. They can be mounted on joinable subbases for manifold applications. The ASCO Numatics 521 valves are suitable for automotive, case packing, packaging, and tyre manufacturing applications.
ASCO™ Numatics Series 521 Mini-Spool Valves

Specs

Valve Actuation
Solenoid, Solenoid - Air Pilot
Body Material
Aluminum
Media
Air, Inert Gas
Pipe / Port Size
1/4 "
Port Type
G ISO228/1-G BSPP
Function
5/2, 5/3
Flow
Over 12 kv
Voltage
115 AC, 230 AC, 24 AC, 24 DC
Max Differential / Max Operating Pressure
Vacuum to 10.3 Bar, Vacuum to 150 PSIG
Standards / Regulations
UL

Features

  • Anodised aluminium G1/4-tapped body with NBR seals for extended service life
  • Non-breathing construction where the spring return chambers of the single- or double-acting actuator are collected with the solenoid valve exhaust
  • Handles lubricated or non-lubricated air or neutral gas
  • Ambient temperature range 5° C to 50° C
  • Satisfies all relevant EU Directives