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Silver aluminium 3-way manual air valve with roller lever and 1/8 NPT ports

Parker

Parker 414211000 3-Way 1/8 NPT Manual Air Control Valve

SKU CH-WW30-Q3T9W

Three-way manual air control valve with 1/8 NPT ports, aluminium body, spring return and 150 psi rating

  • 3-way valve directs airflow in two positions
  • 1/8 NPT connection fits standard pneumatic lines
  • Roller-spring actuator returns valve to closed centre
  • 150 psi rating handles typical shop air systems
  • Aluminium body resists corrosion in compressed-air service

DirectAir 2 3-Way Manual Valve

The Parker 414211000 is a 3-way, 2-position manual air control valve built for compressed-air systems. Its aluminum body measures five inches long and fits a 1/8 inch NPT port. The valve operates at up to 150 psi and handles temperatures from 32 to 175 degrees F. It suits technicians who need direct, spring-return actuation on a compact footprint.

Replaces 2-way or leaking 3-way units

Swapping a simple on-off valve for this 3-way model adds a closed-center position that holds pressure when the lever is released. The upgrade is worth it when a circuit must trap air between cycles or when an older valve passes .2 cfm at rest. The roller-and-spring return ensures consistent reset without external pilots.

Check port thread and pressure rating

Verify that the existing line uses 1/8 inch NPT threads and that system pressure never exceeds 150 psi. Confirm the 32-to-175-degree-F range covers the coldest and hottest conditions at the install point. Ensure the five-inch length and five-eighths-inch width clear surrounding fittings and brackets.

How it compares

Measured against everything we stock in Compressors, Inflators & Vacuum Pumps, at today’s prices. Recalculated every night.

Price $120.99
Pricier than about 78% of the 1,520 comparable items (median $36.99).

Specifications

Product
Brand namePARKER

Questions about this item

What thread size does the Parker 414211000 valve need for mounting?

The valve uses 1/8 inch NPT threads on its ports, so it fits directly into matching 1/8 NPT fittings or manifolds without adapters.

How is the Parker 414211000 installed, and what step is often missed?

Thread the valve into a 1/8 NPT port using pipe sealant on the male threads only; the common mistake is over-tightening the aluminum body, which can crack the housing.

What maintenance will the Parker 414211000 need over time?

Inspect the roller actuator and spring return for wear or debris; replace the valve if the three-way switching becomes sticky or if air leaks appear at the 150 psi pressure rating limit.

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